Arduino M0 Zero Pro Board

Arduino M0 Zero Pro Board
Arduino M0 Zero Pro Board Arduino M0 Zero Pro Board
Product Code: A-MZeroPro
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Price: Rs.2,925.00
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The Arduino M0 Zero pro represents powerful, 32-bit extension of the Arduino UNO platform. The board is powered by Atmel’s SAMD21 MCU, featuring a 32-bit ARM Cortex® M0 core. With the new Arduino M0 pro board, the more creative individual will have the potential to create one’s most imaginative and new ideas for IoT devices, wearable technologies, high tech automation, wild robotics and other not yet thinkable adventures in the world of makers.


With the addition of the M0 board, the Arduino family becomes larger with a new member providing increased performance. 
The power of its Atmel’s core gives this board an upgraded flexibility and boosts the scope of projects one can think of and make; moreover, it makes the M0 Pro the ideal educational tool for learning about 32-bit application development. 
Atmel’s Embedded Debugger (EDBG), integrated in the board, provides a full debug interface with no need for additional hardware, making debugging much easier. EDBG additionally supports a virtual COM port for device programming and traditional Arduino boot loader functionality uses.

 

Summary

Microcontroller

ATSAMD21G18, 48pins LQFP

Operating Voltage

3.3V

Digital I/O Pins

14, with 12 PWM and UART 

Analog Input Pins

6, 12-bit ADC channels

Analog Output Pins

1, 10-bit DAC

DC Current per I/O Pin

7 mA

Flash Memory

256 KB

SRAM

32 KB

EEPROM

up to 16KB by emulation

Clock Speed

48 MHz

Power

The Arduino M0 Pro can be powered via the micro USB connection or with an external power supply. The power source is selected automatically.

External (non-USB) power can come either from an AC-to-DC adapter (wall-wart) or battery. The adapter can be connected to the board by plugging a 2.1mm 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.

 

The kit will automatically detect which power sources are available and choose which one to use according to the following priority: 

1.                               External power 

2.                               Embedded debugger USB 

3.                               Target USB 

External power is required when the 500mA through the USB connector is not enough to power a connected USB device in a USB host application.

 

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 regulator. Maximum current draw is 50 mA.

·                                 GND. Ground pins.

·                                 IOREF. The voltage at which the i/o pins of the board are operating (i.e. VCC for the board). This is 3.3V on the M0 Pro. 

 
Memory

The ATSAMD21G18 has 256 KB (with 4 KB used for the bootloader).The bootloader is factory pre burnt by Atmel and is stored in a dedicated ROM memory. The bootloader is protected using the NVM fuse.
It also carries 32 KB of SRAM and up to 16KB by emulation of EEPROM (which can be read and written with the EEPROM library).

 
Input and Output

Each of the 20 digital i/o pins on the M0 Pro can be used as an input or output, using pinMode(), digitalWrite(), and digitalRead() functions. They operate at 3.3 volts. 7mA as maximum DC current for I/O pins and 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 using the ATSAMD21G18 hardware serial capability. Note that on the M0 Pro, the Serial class refers to USB (CDC) communication; for TTL serial on pins 0 and 1, use the Serial1 class.

·                                 TWI: 2 (SDA) and 3 (SCL). Support TWI communication using the Wire library.

·                                 PWM: Pins 2 to 13 Provide 8-bit PWM output with the analogWrite() function. The resolution of the PWM can be changed with the analogWriteResolution() function.
Note1 The pins 4 and 10 can not be used simultaneously as PWM.
Note2 The pins 5 and 12 can not be used simultaneously as PWM.

·                                 SPI: on the ICSP header. These pins support SPI communication using the SPI library. Note that the SPI pins are not connected to any of the digital I/O pins as they are on the Uno, They are only available on the ICSP connector. This means that if you have a shield that uses SPI, but does NOT have a 6-pin ICSP connector that connects to the M0 Pro's 6-pin ICSP header, the shield will not work.

·                                 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.

·                                 Analog Inputs: A0-A5. The M0 Pro has 6 analog inputs, labeled A0 through A5. Pins A0-A5 appear in the same locations as on the Uno; Each analog input provides 12 bits of resolution (i.e. 4096 different values). By default the analog inputs measure from ground to 3.3 volts, though is it possible to change the upper end of their range using the AREF pin and the analogReference() function.

·                                 DAC: pin A0 provides true analog outputs with 10-bits resolution (1023 levels) with the analogWrite() function. This pin can be used to create an audio output using the Audio 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. This is typically used to add a reset button when shields are used that block the one already present on the board.

 
Communication

The Arduino M0 Pro has a number of facilities for communicating with a computer, with another Arduino or other microcontrollers, and with different devices like phones, tablets, cameras and so on. The SAMD21 provides one hardware UART and three hardware USARTs for TTL (3.3V) serial communication.

The Programming port is connected to EDBG, which provides a virtual COM port to software on a connected computer (To recognize the device, Windows machines will need a .inf file, but OSX and Linux machines will recognize the board as a COM port automatically.). The EDBG is also connected to the SAMD21 hardware UART. The Serial on pins RX0 and TX0 provides Serial-to-USB communication for programming the board through theATSAMD21G18 microcontroller. The Arduino software includes a serial monitor allowing simple textual data to be sent to and from the board. The RX and TX LEDs on the board will flash when data is being transmitted via the ATSAMD21G18 chip and USB connection to the computer (but not for serial communication on pins 0 and 1).

The Native USB port is connected to the SAMD21. It allows for serial (CDC) communication over USB. This provides a serial connection to the Serial Monitor or other applications on your computer. It also enables the board to emulate a USB mouse or keyboard to an attached computer.

The Native USB port can also act as a USB host for connected peripherals such as mice, keyboards, and smartphones. 

The SAMD21 also supports TWI and SPI communication. The Arduino software includes a Wire library to simplify use of the TWI bus. For SPI communication, use the SPI library.

Programming

The Arduino M0 Pro can be programmed with the Arduino software.  

If you use Linux-based OS follow the guide Arduino IDE on Linux-based OS.

Uploading sketches to the SAMD21 is different from how it works with the AVR microcontrollers found in other Arduino boards: the flash memory needs to be erased before being re-programmed. Upload to the chip is managed by ROM on the SAMD21, which is run only when the chip's flash memory is empty.


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