Main.ArduinoBoardPro History

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June 07, 2010, at 12:43 PM by Equipo Traduccion -
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  • Reset. Cuando este pin se pone en estado LOW resetea el microcontrolador. Normalmente se utiliza cuando el botón de reseteo se hace inaccesible por que el uso de un shield lo oculta
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  • Reset. Cuando este pin se pone en estado LOW resetea el microcontrolador. Normalmente se utiliza cuando el botón de reseteo se hace inaccesible por que el uso de un shield lo oculta.
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El ATmega168 y el ATmega328 en la Arduino Pro vienen precargados con un gestor de arranque que nos permite la carga de nuevo código sin el uso de un programador externo. Este se comunica usando el protocolo STKT500 original (referencia, archivos de cabecera en C).

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El ATmega168 y el ATmega328 en la Arduino Pro vienen precargados con un gestor de arranque que nos permite la carga de nuevo código sin el uso de un programador externo. Este se comunica usando el protocolo STK500 original (referencia, archivos de cabecera en C).

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En lugar de utilizar el pulsador de reseteo antes de cargar un nuevo sketch la Arduino Mini Pro ha sido diseñada de modo que permite el reseteo automático por el software instalado en nuestro ordenador. Uno de los pines en el conector de 6 pines está conectado con la linea de reseteo del ATmega168 mediante un condensador de 100 nanofaradios. Este pin se conecta a una de las líneas de control de flujo por hardware del convertidor de USB a serie al conector RTS cuando se utiliza un cable FTDI o al conector DTR cuando se usa una placa convertidora de Sparkfun. Cuando esta línea se pone en estado LOW el chip se reinicia. El software de Arduino tiene la capacidad de cargar código en la placa simplemente presionando el botón de "upload" en el Arduino IDE. Esto significa que el gestor de arranque tarda menos tiempo en ejecutarse, pues la linea de reseteo está perfectamente coordinada con el inicio de la descarga.

Esta configuración tiene otras implicaciones. Cuando una Mini Pro se conecta a un ordenador por el que corre un MAC OS X o un Linux, esta se resetea cada vez que se establece la conexión por USB. Durante el siguiente medio segundo el gestor de arranque se ejecuta en la Pro, mientras que ha sido programado para ignorar datos nulos (por ejemplo cualquier cosa durante la carga de un nuevo sketch). Este interceptará los primeros bytes de datos enviados a la placa después de que la conexión sea establecida. Si un sketch que se está ejecutando en la placa recibe una configuración de arranque u otros datos cuando se ejecuta por primera vez, asegúrate de que el software con el que se comunica espera un segundo después de abrir la conexión y antes de enviar estos datos.

to:

En lugar de utilizar el pulsador de reseteo antes de cargar un nuevo sketch la Arduino Pro ha sido diseñada de modo que permite el reseteo automático por el software instalado en nuestro ordenador. Uno de los pines en el conector de 6 pines está conectado con la linea de reseteo del ATmega168 mediante un condensador de 100 nanofaradios. Este pin se conecta a una de las líneas de control de flujo por hardware del convertidor de USB a serie al conector RTS cuando se utiliza un cable FTDI o al conector DTR cuando se usa una placa convertidora de Sparkfun. Cuando esta línea se pone en estado LOW el chip se reinicia. El software de Arduino tiene la capacidad de cargar código en la placa simplemente presionando el botón de "upload" en el Arduino IDE. Esto significa que el gestor de arranque tarda menos tiempo en ejecutarse, pues la linea de reseteo está perfectamente coordinada con el inicio de la descarga.

Esta configuración tiene otras implicaciones. Cuando una Pro se conecta a un ordenador por el que corre un MAC OS X o un Linux, esta se resetea cada vez que se establece la conexión por USB. Durante el siguiente medio segundo el gestor de arranque se ejecuta en la Pro, mientras que ha sido programado para ignorar datos nulos (por ejemplo cualquier cosa durante la carga de un nuevo sketch). Este interceptará los primeros bytes de datos enviados a la placa después de que la conexión sea establecida. Si un sketch que se está ejecutando en la placa recibe una configuración de arranque u otros datos cuando se ejecuta por primera vez, asegúrate de que el software con el que se comunica espera un segundo después de abrir la conexión y antes de enviar estos datos.

June 07, 2010, at 12:15 PM by Equipo Traduccion -
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La Mini Pro tiene 6 entradas anaógigas, cada una tiene una resolución de 10 bits (esto son 1024 valores). La medida de los valores analógicos se hace entre VCC y GND, aunque es posible cambiar el límite superior del rango de medición utilizando el pin AREF y algo de código de bajo nivel. Adicionalmente algunos de los pines de entrada analógicos tienen una función especializada:

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La Mini Pro tiene 6 entradas analógicas, cada una tiene una resolución de 10 bits (esto son 1024 valores). La medida de los valores analógicos se hace entre VCC y GND, aunque es posible cambiar el límite superior del rango de medición utilizando el pin AREF y algo de código de bajo nivel. Adicionalmente algunos de los pines de entrada analógicos tienen una función especializada:

June 07, 2010, at 12:08 PM by Equipo Traduccion -
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Cada uno de los 14 pines de digitales puede ser configurado tanto como entrada o como salida usando las funciones pinMode(), digitalWrite() y digitalRead(). Estos pines operan a 3.3v o 5v dependiendo del modelo. Cada pin puede suministrar o recibir una corriente máxima de 40mA y tienen resistencias pull-up internas (desconectadas por defecto) de 20 a 50 KOhms. Además algunos de los pines tienen funciones especiales:

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Cada uno de los 14 pines digitales puede ser configurado tanto como entrada o como salida usando las funciones pinMode(), digitalWrite() y digitalRead(). Estos pines operan a 3.3v o 5v dependiendo del modelo. Cada pin puede suministrar o recibir una corriente máxima de 40mA y tienen resistencias pull-up internas (desconectadas por defecto) de 20 a 50 KOhms. Además algunos de los pines tienen funciones especiales:

June 07, 2010, at 11:24 AM by Equipo Traduccion -
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Physical Characteristics

The maximum length and width of the Pro PCB are 2.05 and 2.10 inches respectively, with the six pin header and power switch extending slightly beyond the edges. Four screw holes allow the board to be attached to a surface or case. Note that the distance between digital pins 7 and 8 is 160 mil (0.16"), not an even multiple of the 100 mil spacing of the other pins.

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Caracteristicas físicas.

La longitud y anchura máxima del PCB de la Pro son 5.2cm y 5.3cm respectivamente, con el conector de 6 pines y el selector de alimentación sobresaliendo ligeramente de los bordes. 4 perfonaciones para tornillos permiten la fijación de la placa sobre una superficie o una caja. La distancia entre los pines 7 y 8 es de 4mm, no como los demás pines, que están separados por 2.5mm (separación normalizada entre pines).

June 06, 2010, at 10:47 AM by Equipo Traduccion -
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La Arduino Mini pro es una placa con un microcontrolador ATmega168 (datasheet) o en el ATmega328 (datasheet). La Pro viene en versiones de 3.3v / 8 MHz y 5v / 16 MHz. Tiene 14 E/S digitales (6 de las cuales se puedes utilizar como salidas PWM), 6 entradas analógicas, un resonador interno, botón de reseteo y agujeros para el montaje de tiras de pines. Se le puede montar una tira de 6 pines para la conexión a un cable FTDI o a una placa adaptadora de la casa Sparkfun para dotarla de comunicación USB y alimentación.

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La Arduino pro es una placa con un microcontrolador ATmega168 (datasheet) o en el ATmega328 (datasheet). La Pro viene en versiones de 3.3v / 8 MHz y 5v / 16 MHz. Tiene 14 E/S digitales (6 de las cuales se puedes utilizar como salidas PWM), 6 entradas analógicas, un resonador interno, botón de reseteo y agujeros para el montaje de tiras de pines. Vienen equipada con 6 pines para la conexión a un cable FTDI o a una placa adaptadora de la casa Sparkfun para dotarla de comunicación USB y alimentación.

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MicrocontroladorATmega168
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MicrocontroladorATmega168 o ATmega328
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Memoria Flash16KB (de los cuales 2KB están reservados por el gestor de arranque)
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Memoria Flash16KB en el ATmega168 y 32KB con el ATmega328 (de los cuales 2KB están reservados por el gestor de arranque)
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Power

The Arduino Pro can be powered via the USB header, with a battery, or with an external power supply. The battery power jack is a JST header. A power jack for an external supply can be soldered to the board.

The power pins are as follows:

  • VIN. The voltage supplied to the board from a battery or the DC power jack (according to the position of the switch). You can supply voltage through this pin, or, if supplying voltage via a battery or DC power supply, access it through this pin.

  • VCC. The regulated power supply on the board. This comes from the battery or DC power supply via the regulator, or from the USB-to-TTL Serial convertor.

  • GND. Ground pins.
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Alimentación.

La Arduino Pro puede ser alimentada por medio del cable USB, por baterías o mediante una fuente de alimentación. El conector de batería es del tipo JST, también se le puede soldar otro tipo de conector para alimentarla desde una fuente de alimentación externa.

Los pines de alimentación son los siguientes:

  • VIN. Para el voltage suministrado a la placa desde una batería o desde el conector externo (según la posición del selector). Puedes alimentar la placa a través de este pin o si le suministras voltaje desde una batería o fuente de alimentación obtenerlo desde este pin.

  • VCC. La entrada de voltaje regulado de la placa. Este debe venir desde una batería o una fuente de alimentación equipada con regulador de voltaje, también desde un convertidor Serie USB TTL.

  • GND. Pines para el polo negativo.
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The Pro has 6 analog inputs, each of which provide 10 bits of resolution (i.e. 1024 different values). By default they measure from ground to VCC, though is it possible to change the upper end of their range using the AREF pin and some low-level code. Additionally, some pins have specialized functionality:

  • I2C: 4 (SDA) and 5 (SCL). Support I2C (TWI) communication using the Wire library.

There are a couple of other pins on the board:

  • AREF. Reference voltage for the analog inputs. Used with analogReference().

  • Reset. Bring this line LOW to reset the microcontroller. Typically used to add a reset button to shields which block the one on the board.

See also the mapping between Arduino pins and ATmega168 ports.

Communication

The Arduino Pro has a number of facilities for communicating with a computer, another Arduino, or other microcontrollers. The ATmega168 and ATmega328 provide UART TTL serial communication, which is available on digital pins 0 (RX) and 1 (TX). The Arduino software includes a serial monitor which allows simple textual data to be sent to and from the Arduino board via a USB connection.

A SoftwareSerial library allows for serial communication on any of the Pro's digital pins.

The ATmega168 and ATmega328 also support I2C (TWI) and SPI communication. The Arduino software includes a Wire library to simplify use of the I2C bus; see the documentation for details. To use the SPI communication, please see the ATmega168 or ATmega328 datasheet.

Programming

The Arduino Pro can be programmed with the Arduino software (download). For details, see the reference and tutorials.

The ATmega168 or ATmega328 on the Arduino Pro comes preburned with a bootloader that allows you to upload new code to it without the use of an external hardware programmer. It communicates using the original STK500 protocol (reference, C header files).

You can also bypass the bootloader and program the ATmega168 or ATmega328 through the ICSP (In-Circuit Serial Programming) header; see these instructions for details.

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La Mini Pro tiene 6 entradas anaógigas, cada una tiene una resolución de 10 bits (esto son 1024 valores). La medida de los valores analógicos se hace entre VCC y GND, aunque es posible cambiar el límite superior del rango de medición utilizando el pin AREF y algo de código de bajo nivel. Adicionalmente algunos de los pines de entrada analógicos tienen una función especializada:

  • I2C: 4 (SDA) y 5 (SCL). Forman un bus I2C (TWI) para comunicación con otros dispositivos utilizando la librería Wire.

Hay unos cuantos pines más en la placa:

  • AREF. Voltaje de referencia para las entrada analógicas. Se utiliza con analogReference().

  • Reset. Cuando este pin se pone en estado LOW resetea el microcontrolador. Normalmente se utiliza cuando el botón de reseteo se hace inaccesible por que el uso de un shield lo oculta

Puedes ver también la correspondencia de pines entre ATmega168/328 y Arduino.

Comunicación.

La Arduino Mini Pro puede comunicarse con tu ordenador, con otra Arduino o con otros microcontroladores. El ATmega168 y el ATmega 328 tienen implementada comunicación serie UART TTL en sus pines 0 (RX) y 1 (TX). El shoftware de Arduino incluye un monitor serie que permite que datos sencillos puedan ser enviados y recibidos desde la placa por medio de la conexión USB.

La librería SoftwareSerial permite la comunicación Serie en cualquiera de los pines digitales de la Pro.

El ATmega168 y el ATmega328 también soporta comunicación I2C (TWI) y SPI. El programa Arduino incluye la librería Wire para simplificar el uso del bus I2C, vea la referencia para más detalles. Si se desea utilizar la comunicación SPI hay que echar un vistazo a la hoja de características (datasheet) del ATmega168 y del ATmega328.

Cargando sketches.

La Arduino Mini Pro puede ser programada con el software Arduino (descarga). Para más detalles ver la página de referencia y los tutoriales.

El ATmega168 y el ATmega328 en la Arduino Pro vienen precargados con un gestor de arranque que nos permite la carga de nuevo código sin el uso de un programador externo. Este se comunica usando el protocolo STKT500 original (referencia, archivos de cabecera en C).

También se puede prescindir del gestor de arranque y cargar los sketches en el ATmega168 con un programador externo, para ello ver estas instrucciones más detalladas.

June 05, 2010, at 04:44 PM by Equipo Traduccion -
June 05, 2010, at 04:44 PM by Equipo Traduccion -
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Input and Output

Each of the 14 digital pins on the Pro can be used as an input or output, using pinMode(), digitalWrite(), and digitalRead() functions. They operate at 3.3 volts. Each pin can provide or receive a maximum of 40 mA and has an internal pull-up resistor (disconnected by default) of 20-50 kOhms. In addition, some pins have specialized functions:

  • Serial: 0 (RX) and 1 (TX). Used to receive (RX) and transmit (TX) TTL serial data. These pins are connected to the TX-0 and RX-1 pins of the six pin header.

  • External Interrupts: 2 and 3. These pins can be configured to trigger an interrupt on a low value, a rising or falling edge, or a change in value. See the attachInterrupt() function for details.

  • PWM: 3, 5, 6, 9, 10, and 11. Provide 8-bit PWM output with the analogWrite() function.

  • SPI: 10 (SS), 11 (MOSI), 12 (MISO), 13 (SCK). These pins support SPI communication, which, although provided by the underlying hardware, is not currently included in the Arduino language.

  • LED: 13. There is a built-in LED connected to digital pin 13. When the pin is HIGH value, the LED is on, when the pin is LOW, it's off.
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Entradas y Salidas.

Cada uno de los 14 pines de digitales puede ser configurado tanto como entrada o como salida usando las funciones pinMode(), digitalWrite() y digitalRead(). Estos pines operan a 3.3v o 5v dependiendo del modelo. Cada pin puede suministrar o recibir una corriente máxima de 40mA y tienen resistencias pull-up internas (desconectadas por defecto) de 20 a 50 KOhms. Además algunos de los pines tienen funciones especiales:

  • Serie: 0 (RX) y 1 (TX). Usados para recibir (RX) y transmitir (TX) datos serie TTL. Estos pines están conectados con los pines TX-0 y RX-1 del conector de 6 pines.

  • Interrupciones Externas: 2 y 3. Estos pines pueden ser configurados para actuar como disparadores de interrupciones en caso de que cambien a estado bajo, un pico de subida o bajada o simplemente en un cambio de estado. Ver la función attachInterrupt() para más detalles.

  • PWM: 3, 5, 6, 9, 10 y 11. Generan una señal PWM de salida con la función analogWrite().

  • SPI: 10 (SS), 11 (MOSI), 12 (MISO), 13 (SCK). Estos pines soportan comunicación SPI, la cual no está, de momento, incluida en el lenguaje de programación de Arduino.

  • LED: 13. Hay un LED integrado en la placa conectado al pin 13. Cuando este pin se pone en estado HIGH el LED se enciende, cuando el pin cambia a estado LOW el LED se apaga.
June 05, 2010, at 04:41 PM by Equipo Traduccion -
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Overview

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Información principal.

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Schematic & Reference Design

EAGLE files: arduino-pro-reference-design.zip

Schematic: Arduino-Pro-schematic.pdf

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Esquemas y referencias de diseño.

Ficheros EAGLE: arduino-pro-reference-design.zip

Esquema: Arduino-Pro-schematic.pdf

June 05, 2010, at 04:40 PM by Equipo Traduccion -
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The Arduino Pro is a microcontroller board based on the ATmega168 (datasheet) or ATmega328 (datasheet). The Pro comes in both 3.3V / 8 MHz and 5V / 16 MHz versions. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a battery power jack, a power switch, a reset button, and holes for mounting a power jack, an ICSP header, and pin headers. A six pin header can be connected to an FTDI cable or Sparkfun breakout board to provide USB power and communication to the board.

The Arduino Pro is intended for semi-permanent installation in objects or exhibitions. The board comes without pre-mounted headers, allowing the use of various types of connectors or direct soldering of wires. The pin layout is compatible with Arduino shields. The 3.3V versions of the Pro can be powered with a battery.

The Arduino Pro was designed and manufactured by SparkFun Electronics.

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La Arduino Mini pro es una placa con un microcontrolador ATmega168 (datasheet) o en el ATmega328 (datasheet). La Pro viene en versiones de 3.3v / 8 MHz y 5v / 16 MHz. Tiene 14 E/S digitales (6 de las cuales se puedes utilizar como salidas PWM), 6 entradas analógicas, un resonador interno, botón de reseteo y agujeros para el montaje de tiras de pines. Se le puede montar una tira de 6 pines para la conexión a un cable FTDI o a una placa adaptadora de la casa Sparkfun para dotarla de comunicación USB y alimentación.

La Arduino Mini Pro esta destinada a instalaciones semi-permanentes en objetos o demostraciones. La placa viene sin conectores montados, permitiendo el uso de varios tipos de conectores o soldado directo de cables según las necesidades de cada proyecto en particular. La distribución de los pines es compatible con los shields de Arduino. Las versiones de 3.3v de la pro pueden ser alimentadas por baterías.

La Arduino Pro a sido diseñada y construida por SparkFun Electronics.

June 05, 2010, at 04:34 PM by Equipo Traduccion -
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Memory

The ATmega168 has 16 KB of flash memory for storing code (of which 2 KB is used for the bootloader). It has 1 KB of SRAM and 512 bytes of EEPROM (which can be read and written with the EEPROM library). The ATmega328 has 32 KB of flash, 2 KB of SRAM, and 1 KB of EEPROM.

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Memoria.

El ATmega168 tiene 16KB de memoria para el almacenamiento de sketches (de los cuales 2KB están reservados para el gestor de arranque). También tiene 1KB de SRAM y 512 bytes de EEPROM en los cuales se puede leer y escribir mediante la librería EEPROM). EL ATmega328 tiene 32 KB de flash, 2 KB de SRAM, y 1 KB de EEPROM.

June 05, 2010, at 04:32 PM by Equipo Traduccion -
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Summary

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Características.

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MicrocontrollerATmega168 or ATmega328
Operating Voltage3.3V or 5V
Input Voltage3.35 -12 V (3.3V versions) or 5 - 12 V (5V versions)
Digital I/O Pins14 (of which 6 provide PWM output)
Analog Input Pins6
DC Current per I/O Pin40 mA
Flash Memory16 KB (ATmega168) or 32KB (ATmega328) of which 2 KB used by bootloader
SRAM1 KB (ATmega168) or 2 KB (ATmega328)
EEPROM512 bytes (ATmega168) or 1 KB (ATmega328)
Clock Speed8 MHz (3.3V versions) or 16 MHz (5V versions)

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MicrocontroladorATmega168
Voltaje de funcionamiento3.3v o 5v (dependiento del modelo)
Voltaje de entrada3.35 -12v (en el modelo de 3.3v) o 5 - 12v (en el modelo de 5v)
Pines digitales de E/S14 (6 de los cuales tienen salida PWM)
Pines de entrada analógica6
Intensidad máxima por E/S40 mA
Memoria Flash16KB (de los cuales 2KB están reservados por el gestor de arranque)
SRAM1KB
EEPROM512 bytes
Velocidad de Reloj8 MHz (modelo de 3.3v) o 16 MHz (modelo de 5v)

June 05, 2010, at 04:30 PM by Equipo Traduccion -
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Automatic (Software) Reset

Rather then requiring a physical press of the reset button before an upload, the Arduino Pro is designed in a way that allows it to be reset by software running on a connected computer. One of the pins on the six-pin header is connected to the reset line of the ATmega168 or ATmega328 via a 100 nanofarad capacitor. This pin connects to one of the hardware flow control lines of the USB-to-serial convertor connected to the header: RTS when using an FTDI cable, DTR when using the Sparkfun breakout board. When this line is asserted (taken low), the reset line drops long enough to reset the chip. The Arduino software uses this capability to allow you to upload code by simply pressing the upload button in the Arduino environment. This means that the bootloader can have a shorter timeout, as the lowering of the reset line can be well-coordinated with the start of the upload.

This setup has other implications. When the Pro is connected to either a computer running Mac OS X or Linux, it resets each time a connection is made to it from software (via USB). For the following half-second or so, the bootloader is running on the Pro. While it is programmed to ignore malformed data (i.e. anything besides an upload of new code), it will intercept the first few bytes of data sent to the board after a connection is opened. If a sketch running on the board receives one-time configuration or other data when it first starts, make sure that the software with which it communicates waits a second after opening the connection and before sending this data.

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Reseteo automático por Software.

En lugar de utilizar el pulsador de reseteo antes de cargar un nuevo sketch la Arduino Mini Pro ha sido diseñada de modo que permite el reseteo automático por el software instalado en nuestro ordenador. Uno de los pines en el conector de 6 pines está conectado con la linea de reseteo del ATmega168 mediante un condensador de 100 nanofaradios. Este pin se conecta a una de las líneas de control de flujo por hardware del convertidor de USB a serie al conector RTS cuando se utiliza un cable FTDI o al conector DTR cuando se usa una placa convertidora de Sparkfun. Cuando esta línea se pone en estado LOW el chip se reinicia. El software de Arduino tiene la capacidad de cargar código en la placa simplemente presionando el botón de "upload" en el Arduino IDE. Esto significa que el gestor de arranque tarda menos tiempo en ejecutarse, pues la linea de reseteo está perfectamente coordinada con el inicio de la descarga.

Esta configuración tiene otras implicaciones. Cuando una Mini Pro se conecta a un ordenador por el que corre un MAC OS X o un Linux, esta se resetea cada vez que se establece la conexión por USB. Durante el siguiente medio segundo el gestor de arranque se ejecuta en la Pro, mientras que ha sido programado para ignorar datos nulos (por ejemplo cualquier cosa durante la carga de un nuevo sketch). Este interceptará los primeros bytes de datos enviados a la placa después de que la conexión sea establecida. Si un sketch que se está ejecutando en la placa recibe una configuración de arranque u otros datos cuando se ejecuta por primera vez, asegúrate de que el software con el que se comunica espera un segundo después de abrir la conexión y antes de enviar estos datos.

August 16, 2009, at 11:53 AM by David A. Mellis -
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  • Batt. The voltage supplied to the board from the battery connector. You can supply voltage through this pin, or, if supplying voltage via a battery access it through this pin.

  • VCC. The raw (unregulated) voltage being supplied from either the battery or the external power supply.

  • 3V3. The regulated 3.3 or 5 volt supply.
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  • VIN. The voltage supplied to the board from a battery or the DC power jack (according to the position of the switch). You can supply voltage through this pin, or, if supplying voltage via a battery or DC power supply, access it through this pin.

  • VCC. The regulated power supply on the board. This comes from the battery or DC power supply via the regulator, or from the USB-to-TTL Serial convertor.
May 17, 2009, at 10:38 PM by David A. Mellis - more references to the ATmega328
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The ATmega168 has 16 KB of flash memory for storing code (of which 2 KB is used for the bootloader). It has 1 KB of SRAM and 512 bytes of EEPROM (which can be read and written with the EEPROM library).

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The ATmega168 has 16 KB of flash memory for storing code (of which 2 KB is used for the bootloader). It has 1 KB of SRAM and 512 bytes of EEPROM (which can be read and written with the EEPROM library). The ATmega328 has 32 KB of flash, 2 KB of SRAM, and 1 KB of EEPROM.

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  • I2C: 4 (SDA) and 5 (SCL). Support I2C (TWI) communication using the Wire library (documentation on the Wiring website).
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  • I2C: 4 (SDA) and 5 (SCL). Support I2C (TWI) communication using the Wire library.
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The Arduino Pro has a number of facilities for communicating with a computer, another Arduino, or other microcontrollers. The ATmega168 provides UART TTL serial communication, which is available on digital pins 0 (RX) and 1 (TX). The Arduino software includes a serial monitor which allows simple textual data to be sent to and from the Arduino board via a USB connection.

to:

The Arduino Pro has a number of facilities for communicating with a computer, another Arduino, or other microcontrollers. The ATmega168 and ATmega328 provide UART TTL serial communication, which is available on digital pins 0 (RX) and 1 (TX). The Arduino software includes a serial monitor which allows simple textual data to be sent to and from the Arduino board via a USB connection.

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The ATmega168 also supports I2C (TWI) and SPI communication. The Arduino software includes a Wire library to simplify use of the I2C bus; see the documentation on the Wiring website for details. To use the SPI communication, please see the ATmega168 datasheet.

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The ATmega168 and ATmega328 also support I2C (TWI) and SPI communication. The Arduino software includes a Wire library to simplify use of the I2C bus; see the documentation for details. To use the SPI communication, please see the ATmega168 or ATmega328 datasheet.

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The ATmega168 on the Arduino Pro comes preburned with a bootloader that allows you to upload new code to it without the use of an external hardware programmer. It communicates using the original STK500 protocol (reference, C header files).

You can also bypass the bootloader and program the ATmega168 through the ICSP (In-Circuit Serial Programming) header; see these instructions for details.

to:

The ATmega168 or ATmega328 on the Arduino Pro comes preburned with a bootloader that allows you to upload new code to it without the use of an external hardware programmer. It communicates using the original STK500 protocol (reference, C header files).

You can also bypass the bootloader and program the ATmega168 or ATmega328 through the ICSP (In-Circuit Serial Programming) header; see these instructions for details.

Changed lines 96-97 from:

Rather then requiring a physical press of the reset button before an upload, the Arduino Pro is designed in a way that allows it to be reset by software running on a connected computer. One of the pins on the six-pin header is connected to the reset line of the ATmega168 via a 100 nanofarad capacitor. This pin connects to one of the hardware flow control lines of the USB-to-serial convertor connected to the header: RTS when using an FTDI cable, DTR when using the Sparkfun breakout board. When this line is asserted (taken low), the reset line drops long enough to reset the chip. The Arduino software uses this capability to allow you to upload code by simply pressing the upload button in the Arduino environment. This means that the bootloader can have a shorter timeout, as the lowering of the reset line can be well-coordinated with the start of the upload.

to:

Rather then requiring a physical press of the reset button before an upload, the Arduino Pro is designed in a way that allows it to be reset by software running on a connected computer. One of the pins on the six-pin header is connected to the reset line of the ATmega168 or ATmega328 via a 100 nanofarad capacitor. This pin connects to one of the hardware flow control lines of the USB-to-serial convertor connected to the header: RTS when using an FTDI cable, DTR when using the Sparkfun breakout board. When this line is asserted (taken low), the reset line drops long enough to reset the chip. The Arduino software uses this capability to allow you to upload code by simply pressing the upload button in the Arduino environment. This means that the bootloader can have a shorter timeout, as the lowering of the reset line can be well-coordinated with the start of the upload.

May 08, 2009, at 01:42 PM by David A. Mellis -
Changed lines 44-45 from:
  • 3V3. The regulated 3.3 volt supply.
to:
  • 3V3. The regulated 3.3 or 5 volt supply.
May 08, 2009, at 01:32 PM by David A. Mellis -
Changed lines 7-10 from:

The Arduino Pro is a microcontroller board based on the ATmega168 (datasheet). It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, an 8 MHz resonator, a battery power jack, a power switch, a reset button, and holes for mounting a power jack, an ICSP header, and pin headers. A six pin header can be connected to an FTDI cable or Sparkfun breakout board to provide USB power and communication to the board.

The Arduino Pro is intended for semi-permanent installation in objects or exhibitions. The board comes without pre-mounted headers, allowing the use of various types of connectors or direct soldering of wires. The pin layout is compatible with Arduino shields. The board can be powered with a battery, and runs at 3.3V.

to:

The Arduino Pro is a microcontroller board based on the ATmega168 (datasheet) or ATmega328 (datasheet). The Pro comes in both 3.3V / 8 MHz and 5V / 16 MHz versions. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a battery power jack, a power switch, a reset button, and holes for mounting a power jack, an ICSP header, and pin headers. A six pin header can be connected to an FTDI cable or Sparkfun breakout board to provide USB power and communication to the board.

The Arduino Pro is intended for semi-permanent installation in objects or exhibitions. The board comes without pre-mounted headers, allowing the use of various types of connectors or direct soldering of wires. The pin layout is compatible with Arduino shields. The 3.3V versions of the Pro can be powered with a battery.

Changed lines 22-24 from:
MicrocontrollerATmega168
Operating Voltage3.3V
Input Voltage3.35 -12 V
to:
MicrocontrollerATmega168 or ATmega328
Operating Voltage3.3V or 5V
Input Voltage3.35 -12 V (3.3V versions) or 5 - 12 V (5V versions)
Changed lines 28-33 from:
Flash Memory16 KB (of which 2 KB used by bootloader)
SRAM1 KB
EEPROM512 bytes
Clock Speed8 MHz

to:
Flash Memory16 KB (ATmega168) or 32KB (ATmega328) of which 2 KB used by bootloader
SRAM1 KB (ATmega168) or 2 KB (ATmega328)
EEPROM512 bytes (ATmega168) or 1 KB (ATmega328)
Clock Speed8 MHz (3.3V versions) or 16 MHz (5V versions)

August 23, 2008, at 03:08 AM by David A. Mellis -
Changed lines 54-55 from:

Each of the 14 digital pins on the Pro can be used as an input or output, using pinMode(), digitalWrite(), and digitalRead() functions. They operate at 5 volts. Each pin can provide or receive a maximum of 40 mA and has an internal pull-up resistor (disconnected by default) of 20-50 kOhms. In addition, some pins have specialized functions:

to:

Each of the 14 digital pins on the Pro can be used as an input or output, using pinMode(), digitalWrite(), and digitalRead() functions. They operate at 3.3 volts. Each pin can provide or receive a maximum of 40 mA and has an internal pull-up resistor (disconnected by default) of 20-50 kOhms. In addition, some pins have specialized functions:

August 20, 2008, at 03:33 AM by David A. Mellis -
Changed lines 7-8 from:

The Arduino Pro is a microcontroller board based on the ATmega168 (datasheet). It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 8 MHz resonator, a battery power jack, a power switch, a reset button, and holes for mounting a power jack, an ICSP header, and pin headers. A six pin header can be connected to an FTDI cable or Sparkfun breakout board to provide USB power and communication to the board.

to:

The Arduino Pro is a microcontroller board based on the ATmega168 (datasheet). It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, an 8 MHz resonator, a battery power jack, a power switch, a reset button, and holes for mounting a power jack, an ICSP header, and pin headers. A six pin header can be connected to an FTDI cable or Sparkfun breakout board to provide USB power and communication to the board.

Changed line 24 from:
Input Voltage4-12 V
to:
Input Voltage3.35 -12 V
Changed line 102 from:

The maximum length and width of the Pro PCB are XXX and XXX inches respectively, with the six pin header and power switch extending slightly beyond the edges. Four screw holes allow the board to be attached to a surface or case. Note that the distance between digital pins 7 and 8 is 160 mil (0.16"), not an even multiple of the 100 mil spacing of the other pins.

to:

The maximum length and width of the Pro PCB are 2.05 and 2.10 inches respectively, with the six pin header and power switch extending slightly beyond the edges. Four screw holes allow the board to be attached to a surface or case. Note that the distance between digital pins 7 and 8 is 160 mil (0.16"), not an even multiple of the 100 mil spacing of the other pins.

August 15, 2008, at 08:16 PM by David A. Mellis -
Changed lines 42-43 from:
  • VCC. The raw voltage being supplied from either the battery or the external power supply.
to:
  • VCC. The raw (unregulated) voltage being supplied from either the battery or the external power supply.
August 03, 2008, at 06:48 PM by David A. Mellis -
Added lines 11-12:

The Arduino Pro was designed and manufactured by SparkFun Electronics.

August 03, 2008, at 06:46 PM by David A. Mellis -
Changed lines 3-4 from:
to:
August 03, 2008, at 06:45 PM by David A. Mellis -
Deleted lines 97-100:

USB Overcurrent Protection

The Arduino Diecimila has a resettable polyfuse that protects your computer's USB ports from shorts and overcurrent. Although most computers provide their own internal protection, the fuse provides an extra layer of protection. If more than 500 mA is applied to the USB port, the fuse will automatically break the connection until the short or overload is removed.

Changed line 100 from:

The maximum length and width of the Diecimila PCB are 2.7 and 2.1 inches respectively, with the USB connector and power jack extending beyond the former dimension. Three screw holes allow the board to be attached to a surface or case. Note that the distance between digital pins 7 and 8 is 160 mil (0.16"), not an even multiple of the 100 mil spacing of the other pins.

to:

The maximum length and width of the Pro PCB are XXX and XXX inches respectively, with the six pin header and power switch extending slightly beyond the edges. Four screw holes allow the board to be attached to a surface or case. Note that the distance between digital pins 7 and 8 is 160 mil (0.16"), not an even multiple of the 100 mil spacing of the other pins.

August 02, 2008, at 01:02 AM by David A. Mellis -
Changed lines 38-43 from:
  • Batt. The input voltage to the Arduino board when it's using a battery or external power source. You can supply voltage through this pin, or, if supplying voltage via a battery or the power jack, access it through this pin.

  • VCC. The regulated power supply used to power the microcontroller and other components on the board. This can come either from the battery or external power supply via an on-board regulator, or be supplied by USB or another regulated supply.

  • 3V3. A 3.3 volt supply.
to:
  • Batt. The voltage supplied to the board from the battery connector. You can supply voltage through this pin, or, if supplying voltage via a battery access it through this pin.

  • VCC. The raw voltage being supplied from either the battery or the external power supply.

  • 3V3. The regulated 3.3 volt supply.
August 02, 2008, at 12:56 AM by David A. Mellis -
August 02, 2008, at 12:35 AM by David A. Mellis -
Changed lines 52-55 from:

Each of the 14 digital pins on the Diecimila can be used as an input or output, using pinMode(), digitalWrite(), and digitalRead() functions. They operate at 5 volts. Each pin can provide or receive a maximum of 40 mA and has an internal pull-up resistor (disconnected by default) of 20-50 kOhms. In addition, some pins have specialized functions:

  • Serial: 0 (RX) and 1 (TX). Used to receive (RX) and transmit (TX) TTL serial data. These pins are connected to the corresponding pins of the FTDI USB-to-TTL Serial chip.
to:

Each of the 14 digital pins on the Pro can be used as an input or output, using pinMode(), digitalWrite(), and digitalRead() functions. They operate at 5 volts. Each pin can provide or receive a maximum of 40 mA and has an internal pull-up resistor (disconnected by default) of 20-50 kOhms. In addition, some pins have specialized functions:

  • Serial: 0 (RX) and 1 (TX). Used to receive (RX) and transmit (TX) TTL serial data. These pins are connected to the TX-0 and RX-1 pins of the six pin header.
Changed lines 64-65 from:

The Diecimila has 6 analog inputs, each of which provide 10 bits of resolution (i.e. 1024 different values). By default they measure from ground to 5 volts, though is it possible to change the upper end of their range using the AREF pin and some low-level code. Additionally, some pins have specialized functionality:

to:

The Pro has 6 analog inputs, each of which provide 10 bits of resolution (i.e. 1024 different values). By default they measure from ground to VCC, though is it possible to change the upper end of their range using the AREF pin and some low-level code. Additionally, some pins have specialized functionality:

Changed lines 78-81 from:

The Arduino Diecimila has a number of facilities for communicating with a computer, another Arduino, or other microcontrollers. The ATmega168 provides UART TTL (5V) serial communication, which is available on digital pins 0 (RX) and 1 (TX). An FTDI FT232RL on the board channels this serial communication over USB and the FTDI drivers (included with the Arduino software) provide a virtual com port to software on the computer. The Arduino software includes a serial monitor which allows simple textual data to be sent to and from the Arduino board.

A SoftwareSerial library allows for serial communication on any of the Diecimila's digital pins.

to:

The Arduino Pro has a number of facilities for communicating with a computer, another Arduino, or other microcontrollers. The ATmega168 provides UART TTL serial communication, which is available on digital pins 0 (RX) and 1 (TX). The Arduino software includes a serial monitor which allows simple textual data to be sent to and from the Arduino board via a USB connection.

A SoftwareSerial library allows for serial communication on any of the Pro's digital pins.

Changed lines 86-89 from:

The Arduino Diecimila can be programmed with the Arduino software (download). For details, see the reference and tutorials.

The ATmega168 on the Arduino Diecimila comes preburned with a bootloader that allows you to upload new code to it without the use of an external hardware programmer. It communicates using the original STK500 protocol (reference, C header files).

to:

The Arduino Pro can be programmed with the Arduino software (download). For details, see the reference and tutorials.

The ATmega168 on the Arduino Pro comes preburned with a bootloader that allows you to upload new code to it without the use of an external hardware programmer. It communicates using the original STK500 protocol (reference, C header files).

Changed lines 94-97 from:

Rather then requiring a physical press of the reset button before an upload, the Arduino Diecimila is designed in a way that allows it to be reset by software running on a connected computer. One of the hardware flow control lines (DTR) of the FT232RL is connected to the reset line of the ATmega168 via a 100 nanofarad capacitor. When this line is asserted (taken low), the reset line drops long enough to reset the chip. Version 0009 of the Arduino software uses this capability to allow you to upload code by simply pressing the upload button in the Arduino environment. This means that the bootloader can have a shorter timeout, as the lowering of DTR can be well-coordinated with the start of the upload.

This setup has other implications. When the Diecimila is connected to either a computer running Mac OS X or Linux, it resets each time a connection is made to it from software (via USB). For the following half-second or so, the bootloader is running on the Diecimila. While it is programmed to ignore malformed data (i.e. anything besides an upload of new code), it will intercept the first few bytes of data sent to the board after a connection is opened. If a sketch running on the board receives one-time configuration or other data when it first starts, make sure that the software with which it communicates waits a second after opening the connection and before sending this data.

to:

Rather then requiring a physical press of the reset button before an upload, the Arduino Pro is designed in a way that allows it to be reset by software running on a connected computer. One of the pins on the six-pin header is connected to the reset line of the ATmega168 via a 100 nanofarad capacitor. This pin connects to one of the hardware flow control lines of the USB-to-serial convertor connected to the header: RTS when using an FTDI cable, DTR when using the Sparkfun breakout board. When this line is asserted (taken low), the reset line drops long enough to reset the chip. The Arduino software uses this capability to allow you to upload code by simply pressing the upload button in the Arduino environment. This means that the bootloader can have a shorter timeout, as the lowering of the reset line can be well-coordinated with the start of the upload.

This setup has other implications. When the Pro is connected to either a computer running Mac OS X or Linux, it resets each time a connection is made to it from software (via USB). For the following half-second or so, the bootloader is running on the Pro. While it is programmed to ignore malformed data (i.e. anything besides an upload of new code), it will intercept the first few bytes of data sent to the board after a connection is opened. If a sketch running on the board receives one-time configuration or other data when it first starts, make sure that the software with which it communicates waits a second after opening the connection and before sending this data.

August 02, 2008, at 12:31 AM by David A. Mellis -
Changed lines 34-39 from:

The Arduino Diecimila can be powered via the USB connection or with an external power supply. The power source is selected by the PWR_SEL jumper: to power the board from the USB connection, place it on the two pins closest to the USB connector, for an external power supply, the two pins closest to the external power jack.

External (non-USB) power can come either from an AC-to-DC adapter (wall-wart) or battery. The adapter can be connected by plugging a center-positive plug into the board's power jack. Leads from a battery can be inserted in the Gnd and Vin pin headers of the POWER connector. A low dropout regulator provides improved energy efficiency.

The board can operate on an external supply of 6 to 20 volts. If supplied with less than 7V, however, the 5V pin may supply less than five volts and the board may be unstable. If using more than 12V, the voltage regulator may overheat and damage the board. The recommended range is 7 to 12 volts.

to:

The Arduino Pro can be powered via the USB header, with a battery, or with an external power supply. The battery power jack is a JST header. A power jack for an external supply can be soldered to the board.

Changed lines 38-43 from:
  • VIN. The input voltage to the Arduino board when it's using an external power source (as opposed to 5 volts from the USB connection or other regulated power source). You can supply voltage through this pin, or, if supplying voltage via the power jack, access it through this pin.

  • 5V. The regulated power supply used to power the microcontroller and other components on the board. This can come either from VIN via an on-board regulator, or be supplied by USB or another regulated 5V supply.

  • 3V3. A 3.3 volt supply generated by the on-board FTDI chip. Maximum current draw is 50 mA.
to:
  • Batt. The input voltage to the Arduino board when it's using a battery or external power source. You can supply voltage through this pin, or, if supplying voltage via a battery or the power jack, access it through this pin.

  • VCC. The regulated power supply used to power the microcontroller and other components on the board. This can come either from the battery or external power supply via an on-board regulator, or be supplied by USB or another regulated supply.

  • 3V3. A 3.3 volt supply.
August 02, 2008, at 12:27 AM by David A. Mellis -
Added lines 1-108:

Arduino Pro

Attach:ArduinoPro400.jpg Δ

Overview

The Arduino Pro is a microcontroller board based on the ATmega168 (datasheet). It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 8 MHz resonator, a battery power jack, a power switch, a reset button, and holes for mounting a power jack, an ICSP header, and pin headers. A six pin header can be connected to an FTDI cable or Sparkfun breakout board to provide USB power and communication to the board.

The Arduino Pro is intended for semi-permanent installation in objects or exhibitions. The board comes without pre-mounted headers, allowing the use of various types of connectors or direct soldering of wires. The pin layout is compatible with Arduino shields. The board can be powered with a battery, and runs at 3.3V.

Schematic & Reference Design

EAGLE files: arduino-pro-reference-design.zip

Schematic: Arduino-Pro-schematic.pdf

Summary

MicrocontrollerATmega168
Operating Voltage3.3V
Input Voltage4-12 V
Digital I/O Pins14 (of which 6 provide PWM output)
Analog Input Pins6
DC Current per I/O Pin40 mA
Flash Memory16 KB (of which 2 KB used by bootloader)
SRAM1 KB
EEPROM512 bytes
Clock Speed8 MHz

Power

The Arduino Diecimila can be powered via the USB connection or with an external power supply. The power source is selected by the PWR_SEL jumper: to power the board from the USB connection, place it on the two pins closest to the USB connector, for an external power supply, the two pins closest to the external power jack.

External (non-USB) power can come either from an AC-to-DC adapter (wall-wart) or battery. The adapter can be connected by plugging a center-positive plug into the board's power jack. Leads from a battery can be inserted in the Gnd and Vin pin headers of the POWER connector. A low dropout regulator provides improved energy efficiency.

The board can operate on an external supply of 6 to 20 volts. If supplied with less than 7V, however, the 5V pin may supply less than five volts and the board may be unstable. If using more than 12V, the voltage regulator may overheat and damage the board. The recommended range is 7 to 12 volts.

The power pins are as follows:

  • VIN. The input voltage to the Arduino board when it's using an external power source (as opposed to 5 volts from the USB connection or other regulated power source). You can supply voltage through this pin, or, if supplying voltage via the power jack, access it through this pin.

  • 5V. The regulated power supply used to power the microcontroller and other components on the board. This can come either from VIN via an on-board regulator, or be supplied by USB or another regulated 5V supply.

  • 3V3. A 3.3 volt supply generated by the on-board FTDI chip. Maximum current draw is 50 mA.

  • GND. Ground pins.

Memory

The ATmega168 has 16 KB of flash memory for storing code (of which 2 KB is used for the bootloader). It has 1 KB of SRAM and 512 bytes of EEPROM (which can be read and written with the EEPROM library).

Input and Output

Each of the 14 digital pins on the Diecimila can be used as an input or output, using pinMode(), digitalWrite(), and digitalRead() functions. They operate at 5 volts. Each pin can provide or receive a maximum of 40 mA and has an internal pull-up resistor (disconnected by default) of 20-50 kOhms. In addition, some pins have specialized functions:

  • Serial: 0 (RX) and 1 (TX). Used to receive (RX) and transmit (TX) TTL serial data. These pins are connected to the corresponding pins of the FTDI USB-to-TTL Serial chip.

  • External Interrupts: 2 and 3. These pins can be configured to trigger an interrupt on a low value, a rising or falling edge, or a change in value. See the attachInterrupt() function for details.

  • PWM: 3, 5, 6, 9, 10, and 11. Provide 8-bit PWM output with the analogWrite() function.

  • SPI: 10 (SS), 11 (MOSI), 12 (MISO), 13 (SCK). These pins support SPI communication, which, although provided by the underlying hardware, is not currently included in the Arduino language.

  • LED: 13. There is a built-in LED connected to digital pin 13. When the pin is HIGH value, the LED is on, when the pin is LOW, it's off.

The Diecimila has 6 analog inputs, each of which provide 10 bits of resolution (i.e. 1024 different values). By default they measure from ground to 5 volts, though is it possible to change the upper end of their range using the AREF pin and some low-level code. Additionally, some pins have specialized functionality:

  • I2C: 4 (SDA) and 5 (SCL). Support I2C (TWI) communication using the Wire library (documentation on the Wiring website).

There are a couple of other pins on the board:

  • AREF. Reference voltage for the analog inputs. Used with analogReference().

  • Reset. Bring this line LOW to reset the microcontroller. Typically used to add a reset button to shields which block the one on the board.

See also the mapping between Arduino pins and ATmega168 ports.

Communication

The Arduino Diecimila has a number of facilities for communicating with a computer, another Arduino, or other microcontrollers. The ATmega168 provides UART TTL (5V) serial communication, which is available on digital pins 0 (RX) and 1 (TX). An FTDI FT232RL on the board channels this serial communication over USB and the FTDI drivers (included with the Arduino software) provide a virtual com port to software on the computer. The Arduino software includes a serial monitor which allows simple textual data to be sent to and from the Arduino board.

A SoftwareSerial library allows for serial communication on any of the Diecimila's digital pins.

The ATmega168 also supports I2C (TWI) and SPI communication. The Arduino software includes a Wire library to simplify use of the I2C bus; see the documentation on the Wiring website for details. To use the SPI communication, please see the ATmega168 datasheet.

Programming

The Arduino Diecimila can be programmed with the Arduino software (download). For details, see the reference and tutorials.

The ATmega168 on the Arduino Diecimila comes preburned with a bootloader that allows you to upload new code to it without the use of an external hardware programmer. It communicates using the original STK500 protocol (reference, C header files).

You can also bypass the bootloader and program the ATmega168 through the ICSP (In-Circuit Serial Programming) header; see these instructions for details.

Automatic (Software) Reset

Rather then requiring a physical press of the reset button before an upload, the Arduino Diecimila is designed in a way that allows it to be reset by software running on a connected computer. One of the hardware flow control lines (DTR) of the FT232RL is connected to the reset line of the ATmega168 via a 100 nanofarad capacitor. When this line is asserted (taken low), the reset line drops long enough to reset the chip. Version 0009 of the Arduino software uses this capability to allow you to upload code by simply pressing the upload button in the Arduino environment. This means that the bootloader can have a shorter timeout, as the lowering of DTR can be well-coordinated with the start of the upload.

This setup has other implications. When the Diecimila is connected to either a computer running Mac OS X or Linux, it resets each time a connection is made to it from software (via USB). For the following half-second or so, the bootloader is running on the Diecimila. While it is programmed to ignore malformed data (i.e. anything besides an upload of new code), it will intercept the first few bytes of data sent to the board after a connection is opened. If a sketch running on the board receives one-time configuration or other data when it first starts, make sure that the software with which it communicates waits a second after opening the connection and before sending this data.

USB Overcurrent Protection

The Arduino Diecimila has a resettable polyfuse that protects your computer's USB ports from shorts and overcurrent. Although most computers provide their own internal protection, the fuse provides an extra layer of protection. If more than 500 mA is applied to the USB port, the fuse will automatically break the connection until the short or overload is removed.

Physical Characteristics

The maximum length and width of the Diecimila PCB are 2.7 and 2.1 inches respectively, with the USB connector and power jack extending beyond the former dimension. Three screw holes allow the board to be attached to a surface or case. Note that the distance between digital pins 7 and 8 is 160 mil (0.16"), not an even multiple of the 100 mil spacing of the other pins.

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