DFRduino M0 is the first 32-bit Arduino compatible microcontroller based on ARM Cortex-M0 core that supports 5V logic.
If you use a standard UNO-compatible microcontroller in a project, do you ever find that GPIO and processing performance is underwhelming? Upgrading to a Mega style microcontroller is too expensive, and Arduino ZERO/M0 doesn’t support 5V logic. These problems are solved with the DFRduino M0.
The DFRduino M0 uses a Nuvoton high-performance 32-bit microcontroller as the processing core with integrated ARM Cortex M0 architecture, supports 5V logic, includes a USB port and two hardware serial ports with 31 digital pins (partial multiplexing) and 6 analog pins. It is compatible with Arduino Leonardo pin mappings and has more I/O resources and more powerful processing capacity.
In addition, the DFRduino M0 extended features an IIS interface to support playback of wav files. With a professional IIS chip, you can enjoy HiFi audio experience.
Due to the different control chip, DFRduino M0 is totally different to the official Arduino M0 microcontroller. Please see the wiki for more information.
- Microcontrollers: Nuvoton NUC123ZD4AN0 (Cortex M0)
- Clock Speed: 72MHz
- Operating Voltage: 5V
- Recommended Input Voltage: 7-12V
- Limit input voltage: 6-20V
- Digital I/O Pins: 31
- Analog input Pins: 6
- External Interrupt: 4
- SRAM: 20K
- Flash: 68K (12 KB of which is allocated to bootloader, 55K used by the user code area, 1K used by EEPROM)
- EEPROM: 1K
- SPI: 1 port (D14, D15, D16)
- I2C: 1 port (D2, D3)
- USB serial port: 1 (Serial)
- Physical serial port: 2 (Serial1, Serial2) Serial1 0 (Rx1) and 1 (Tx1) Serial2 24 (Rx2) and 25 (Tx2)
- Xbee interface: 1 (Serial1)
- Size: 68 x 53 mm/ 2.68 x 2.09”
- Weight: 30g
- DFRduino M0 Mainboard (Arduino Compatible) x1
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