A000062

A000062 Datasheet

Code A000062

Part	Datasheet
A000062	A000062 (pdf)

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ARDUINO DUE Code A000062 The Arduino Due is the first Arduino board based on a ARM core microcontroller. With 54 digital input/output pins, 12 analog inputs, it is the perfect board for powerful larger scale Arduino projects. The Arduino Due is a microcontroller board based on the Atmel SAM3X8E ARM CPU. It is the first Arduino board based on a ARM core microcontroller. It has 54 digital input/output pins of which 12 can be used as PWM outputs , 12 analog inputs, 4 UARTs hardware serial ports , a 84 MHz clock, an USB OTG capable connection, 2 DAC digital to analog , 2 TWI, a power jack, an SPI header, a JTAG header, a reset button and an erase button. Warning Unlike most Arduino boards, the Arduino Due board runs at 3.3V. The maximum voltage that the I/O pins can tolerate is 3.3V. Applying voltages higher than 3.3V to any I/O pin could damage the board. The board contains everything needed to support the microcontroller simply connect it to a computer with a cable or power it with a adapter or battery to get started. The Due is compatible with all Arduino shields that work at 3.3V and are compliant with the Arduino pinout. The Due follows the pinout: • TWI SDA and SCL pins that are near to the AREF pin. • IOREF allows an attached shield with the proper configuration to adapt to the voltage provided by the board. This enables shield compatibility with a 3.3V board like the Due and boards which operate at 5V. • An unconnected pin, reserved for future use. TECH SPECS Microcontroller Operating Voltage Input Voltage recommended Input Voltage limits Digital I/O Pins Analog Input Pins Analog Output Pins Total DC Output Current on all I/O lines DC Current for 3.3V Pin DC Current for 5V Pin Flash Memory SRAM Clock Speed Length Width Weight AT91SAM3X8E 3.3V 54 of which 12 provide PWM output 12 2 DAC 130 mA 800 mA 800 mA 512 KB all available for the user applications 96 KB two banks 64KB and 32KB 84 MHz mm 36 g • OSH Schematics Arduino Due is hardware! You can build your own board using the following files: EAGLE FILES IN .ZIP SCHEMATICS IN .PDF Power The Arduino Due can be powered via the USB connector or with an external power supply. The power source is selected automatically. External power can come either from an adapter or battery. The adapter can be connected by plugging a 2.1mm 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. 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.This pin outputs a regulated 5V from the regulator on the board. The board can be supplied with power either from the DC power jack 7 12V , the USB connector 5V , or the VIN pin of the board Supplying voltage via the 5V or 3.3V pins bypasses the regulator, and can damage your board. We don't advise it. • 3V3. A volt supply generated by the regulator. Maximum current draw is 800 mA. This regulator also provides the power supply to the SAM3X microcontroller. • GND. Ground pins. • IOREF. This pin on the Arduino board provides the voltage reference with which the microcontroller operates. A properly configured shield can read the IOREF pin voltage and select the appropriate power source or enable voltage translators on the outputs for working with the 5V or 3.3V. Memory The SAM3X has 512 KB 2 blocks of 256 KB of flash memory for storing code. The bootloader is preburned in factory from Atmel and is stored in a dedicated ROM memory. The available SRAM is 96 KB in two contiguous bank of 64 KB and 32 KB. All the available memory Flash, RAM and ROM can be accessed directly as a flat addressing space. It is possible to erase the Flash memory of the SAM3X with the onboard erase button. This will remove the currently loaded sketch from the MCU. To erase, press and hold the Erase button for a few seconds while the board is powered. Input and Output • Digital I/O pins from 0 to 53 • Each of the 54 digital pins on the Due can be used as an input or output, using pinMode digitalWrite and digitalRead functions. They operate at volts. Each pin can provide source a current of 3 mA or 15 mA, depending on the pin, or receive sink a current of 6 mA or 9 mA, depending on the pin. They also have an internal resistor disconnected by default of 100 KOhm. In addition, some pins have specialized functions: • Serial 0 RX and 1 TX • Serial 1 19 RX and 18 TX • Serial 2 17 RX and 16 TX • Serial 3 15 RX and 14 TX Used to receive RX and transmit TX TTL serial data with V level . Pins 0 and 1 are connected to the corresponding pins of the ATmega16U2 Serial chip. • PWM Pins 2 to 13 Provide PWM output with the analogWrite function. the resolution of the PWM can be changed with the analogWriteResolution function. • SPI header ICSP header on other Arduino boards These pins support SPI communication using the SPI library. The SPI pins are broken out on the central header, which is physically compatible with the Uno, Leonardo and Mega2560. The SPI header can be used only to communicate with other SPI devices, not for programming the SAM3X with the technique. The SPI of the Due has also advanced features that can be used with the Extended SPI methods for Due. • CAN CANRX and CANTX These pins support the CAN communication protocol but are not yet supported by Arduino APIs. • "L" LED 13 There is a LED connected to digital pin When the pin is HIGH, the LED is on, when the pin is LOW, it's off. It is also possible to dim the LED because the digital pin 13 is also a PWM output. • TWI 1 20 SDA and 21 SCL • TWI 2 SDA1 and SCL1. Support TWI communication using the Wire library. SDA1 and SCL1 can be controlled using the Wire1 class provided by the Wire library. While SDA and SCL have internal pullup resistors, SDA1 and SCL1 have not. Adding two pullup resistor on SDA1 and SCL1 lines is required for using Wire1. • Analog Inputs pins from A0 to A11 The Due has 12 analog inputs, each of which can provide 12 bits of resolution i.e. 4096 different values . By default, the resolution of the readings is set at 10 bits, for compatibility with other Arduino boards. It is possible to change the resolution of the ADC withanalogReadResolution . The Due’s analog inputs pins measure from ground to a maximum value of 3.3V. Applying more than 3.3V on the Due’s pins will damage the SAM3X chip. The analogReference function is ignored on the Due. The AREF pin is connected to the SAM3X analog reference pin through a resistor bridge. To use the AREF pin, resistor BR1 must be desoldered from the PCB. • DAC1 and DAC2 These pins provides true analog outputs with resolution 4096 levels with theanalogWrite function. These pins can be used to create an audio output using the Audio library.

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ARDUINO DUE

Code A000062

The Arduino Due is the first Arduino board based on a ARM core microcontroller. With 54 digital input/output pins, 12 analog inputs, it is the perfect board for powerful larger scale Arduino projects.

The Arduino Due is a microcontroller board based on the Atmel SAM3X8E ARM CPU. It is the first Arduino board based on a ARM core microcontroller. It has 54 digital input/output pins of which 12 can be used as PWM outputs , 12 analog inputs, 4 UARTs hardware serial ports , a 84 MHz clock, an USB OTG capable connection, 2 DAC digital to analog , 2 TWI, a power jack, an SPI header, a JTAG header, a reset button and an erase button.

Warning Unlike most Arduino boards, the Arduino Due board runs at 3.3V. The maximum voltage that the I/O pins can tolerate is 3.3V. Applying voltages higher than 3.3V to any I/O pin could damage the board.

The board contains everything needed to support the microcontroller simply connect it to a computer with a cable or power it with a adapter or battery to get started. The Due is compatible with all Arduino shields that work at 3.3V and are compliant with the Arduino pinout.

The Due follows the pinout:
• TWI SDA and SCL pins that are near to the AREF pin.
• IOREF allows an attached shield with the proper configuration to adapt to the voltage
provided by the board. This enables shield compatibility with a 3.3V board like the Due and boards which operate at 5V.
• An unconnected pin, reserved for future use.

TECH SPECS

Microcontroller Operating Voltage Input Voltage recommended Input Voltage limits Digital I/O Pins Analog Input Pins Analog Output Pins Total DC Output Current on all I/O lines DC Current for 3.3V Pin DC Current for 5V Pin

Flash Memory

SRAM Clock Speed Length Width Weight

AT91SAM3X8E 3.3V 54 of which 12 provide PWM output 12 2 DAC
130 mA
800 mA 800 mA 512 KB all available for the user applications 96 KB two banks 64KB and 32KB 84 MHz mm 36 g
• OSH Schematics

Arduino Due is hardware! You can build your own board using the following files:

EAGLE FILES IN .ZIP SCHEMATICS IN .PDF

Power

The Arduino Due can be powered via the USB connector or with an external power supply. The power source is selected automatically.

External power can come either from an adapter or battery. The adapter can be connected by plugging a 2.1mm 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.

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.This pin outputs a regulated 5V from the regulator on the board. The board can be supplied with power either from the DC power jack 7 12V , the USB connector 5V , or the VIN pin of the board Supplying voltage via the 5V or 3.3V pins bypasses the regulator, and can damage your board. We don't advise it.
• 3V3. A volt supply generated by the regulator. Maximum current draw is 800 mA. This regulator also provides the power supply to the SAM3X microcontroller.
• GND. Ground pins.
• IOREF. This pin on the Arduino board provides the voltage reference with which the
microcontroller operates. A properly configured shield can read the IOREF pin voltage and select the appropriate power source or enable voltage translators on the outputs for working with the 5V or 3.3V.

Memory

The SAM3X has 512 KB 2 blocks of 256 KB of flash memory for storing code. The bootloader is preburned in factory from Atmel and is stored in a dedicated ROM memory. The available SRAM is 96 KB in two contiguous bank of 64 KB and 32 KB. All the available memory Flash, RAM and ROM can be accessed directly as a flat addressing space.

It is possible to erase the Flash memory of the SAM3X with the onboard erase button. This will remove the currently loaded sketch from the MCU. To erase, press and hold the Erase button for a few seconds while the board is powered.

Input and Output
• Digital I/O pins from 0 to 53
• Each of the 54 digital pins on the Due can be used as an input or output, using pinMode digitalWrite and digitalRead functions. They operate at volts. Each pin can provide source a current of 3 mA or 15 mA, depending on the pin, or receive sink a current of 6 mA or 9 mA, depending on the pin. They also have an internal resistor disconnected by default of 100 KOhm. In addition, some pins have specialized functions:
• Serial 0 RX and 1 TX
• Serial 1 19 RX and 18 TX
• Serial 2 17 RX and 16 TX
• Serial 3 15 RX and 14 TX Used to receive RX and transmit TX TTL serial data with

V level . Pins 0 and 1 are connected to the corresponding pins of the ATmega16U2 Serial chip.
• PWM Pins 2 to 13 Provide PWM output with the analogWrite function. the resolution of the PWM can be changed with the analogWriteResolution function.
• SPI header ICSP header on other Arduino boards These pins support SPI communication using the SPI library. The SPI pins are broken out on the central header, which is physically compatible with the Uno, Leonardo and Mega2560. The SPI header can be used only to communicate with other SPI devices, not for programming the SAM3X with the technique. The SPI of the Due has also advanced features that can be used with the Extended SPI methods for Due.
• CAN CANRX and CANTX These pins support the CAN communication protocol but are not yet supported by Arduino APIs.
• "L" LED 13 There is a LED connected to digital pin When the pin is HIGH, the LED is on, when the pin is LOW, it's off. It is also possible to dim the LED because the digital pin 13 is also a PWM output.
• TWI 1 20 SDA and 21 SCL
• TWI 2 SDA1 and SCL1. Support TWI communication using the Wire library. SDA1 and

SCL1 can be controlled using the Wire1 class provided by the Wire library. While SDA and SCL have internal pullup resistors, SDA1 and SCL1 have not. Adding two pullup resistor on SDA1 and SCL1 lines is required for using Wire1.
• Analog Inputs pins from A0 to A11 The Due has 12 analog inputs, each of which can provide 12 bits of resolution i.e. 4096 different values . By default, the resolution of the readings is set at 10 bits, for compatibility with other Arduino boards. It is possible to change the resolution of the ADC withanalogReadResolution . The Due’s analog inputs pins measure from ground to a maximum value of 3.3V. Applying more than 3.3V on the Due’s pins will damage the SAM3X chip. The analogReference function is ignored on the Due.

The AREF pin is connected to the SAM3X analog reference pin through a resistor bridge. To use the AREF pin, resistor BR1 must be desoldered from the PCB.
• DAC1 and DAC2 These pins provides true analog outputs with resolution 4096 levels with theanalogWrite function. These pins can be used to create an audio output using the Audio library.

More datasheets: HT-12-6S | HT-11-10 | HT-12-10 | HT-11-14 | HT-14-14S | HT-15-38 | HT-16-38 | 74F113PC | AT17F16A-30JC | AT17F16A-30JI

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Datasheet ID: A000062 518295