There is a detailed documentation on this new card at Arduino in English and of course we have the

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Then Arduino with Atmel done it again, released a very nice product that we strongly believe in, namely Arduino Zero Pro. Arduino Zero Pro is a simple yet powerful card equipped with an Atmel SAMD21 MCU which is a 32bit ARM Cortex current M0 with full 256KB Flash memory (4KB is used for the bootloader), 32KB SRAM and up to 16KB EEPROM (part of Flash memory). MCU operates at 48Mhz. Here is a first presentation of the Zero Pro!
In addition, the PRO version of this card is equipped with Atmel's "Embedded Debugger" (EDBG) that makes it easy to debug your programs through current a debuginterface (own USB interface). Via this interface (virtual COM port), you can also program MCU'n completely current out, including the bootloader.
The card can be fed through one of the two USB (micro-contact) ports or externally current with 5VDC via the 2.1mm plug with the positive voltage in the middle (thus differs from the previous card accepted up to 7-12VDC). External current power supply is needed if you plan to use more than 500mA which is the maximum of what a USB connection is capable of. To consider is that the external 5VDC must be within +/- 100mV if you have no USB connected, otherwise it may be at 4.5-5.5V.
MCU'n runs on 3.3V so all I / O is 3.3V (to keep in mind when working against old sheilds which runs on 5v). ADC is further extended to 12 bits and there is a true 10 bit DAC (sitting on A0, the same stick that is ADC0), there is PWM with (PWM works with analog write). Each I / O pin (20st) can be used for input or output current and can deliver up to 7mA (thinking about whether to run the LEDs). I / O pins can be programmed using the internal pull-up on 20-50Kohm (not switched on by default).
Just about Leonardo it has a unique hardware serial port pin 0 and 1 (Serial1 Class), current ie not the same as going through USB Native CDC (Serial current Class), which is great if you also want to have communication via USB and example a GPS or other serial communication without using a software serial port. Uno card parts USB communication with the pin 0 and 1, which can cause problems sometimes.
There is an I2C / TWI interface (works with Wire libbet) and an SPI interface via the ICSP connector (However, it is important to shield the cards have the 6-pin ICSP connector for SPI to access this port, otherwise there is no support current for SPI , the Uno was these sticks even on the usual header on the I / O 10-13). The positive aspect of this is that the I2C / TWI and SPI friar up 5-6 I / O pins for the common I / O and the I2C / TWI and SPI can be used without stealing the I / O pins. Also note that the I2C / TWI is not on the old I / O pins A0-A1.
There is a detailed documentation on this new card at Arduino in English and of course we have the Arduino Zero Pro in our webshop. In the current situation, we have not been able to test much yet, but we will be testing a lot and posting information on the card. Maybe not a card to choose if you are complete current beginners, but if you have worked with Arduino for a while, current and / or we are testing a new faster platform with more memory, this is a product for the future!
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