DFRduino M0 Mainboard (DFR0392)
Arduino Leonardo-compatible board with a Nuvoton NUC123ZD4AN0 ARM Cortex-M0 running at 72 MHz, 5 V logic, 31 digital and 6 analog pins, two hardware UARTs, I2S interface for WAV audio playback, and XBee socket. Flash 68 KB / SRAM 20 KB.
Pinout
- USBOfficial table 2 row 1
USB Power
Type · USB - External PowerOfficial table 2 row 2
7~12V
Type · Unknown - Digital IO D0~D13Official table 2 row 3
Digital IO D0~D13 (Leonardo Compatible)
Type · GPIO - Digital IO D24~D31Official table 2 row 4
Digital IO D24~D31
Type · GPIO - SPI InterfaceOfficial table 2 row 5
D14, D15, D16 (Pin Multiplexing)
Type · SPI - Analog A0~A5Official table 2 row 6
Analog A0~A5 (D18~D23 Multiplexing)
Type · Analog - MCUOfficial table 2 row 7
NUC123LD4AN0
Type · Unknown - Xbee SocketOfficial table 2 row 8
Serial1, support wireless programming
Type · Unknown
| Pin | Position | Type | Function |
|---|---|---|---|
| USB | Official table 2 row 1 | USB | USB Power |
| External Power | Official table 2 row 2 | Unknown | 7~12V |
| Digital IO D0~D13 | Official table 2 row 3 | GPIO | Digital IO D0~D13 (Leonardo Compatible) |
| Digital IO D24~D31 | Official table 2 row 4 | GPIO | Digital IO D24~D31 |
| SPI Interface | Official table 2 row 5 | SPI | D14, D15, D16 (Pin Multiplexing) |
| Analog A0~A5 | Official table 2 row 6 | Analog | Analog A0~A5 (D18~D23 Multiplexing) |
| MCU | Official table 2 row 7 | Unknown | NUC123LD4AN0 |
| Xbee Socket | Official table 2 row 8 | Unknown | Serial1, support wireless programming |
Pin details
8 connections- USBOfficial table 2 row 1
USB Power
USB - External PowerOfficial table 2 row 2
7~12V
Unknown - Digital IO D0~D13Official table 2 row 3
Digital IO D0~D13 (Leonardo Compatible)
GPIO - Digital IO D24~D31Official table 2 row 4
Digital IO D24~D31
GPIO - SPI InterfaceOfficial table 2 row 5
D14, D15, D16 (Pin Multiplexing)
SPI - Analog A0~A5Official table 2 row 6
Analog A0~A5 (D18~D23 Multiplexing)
Analog - MCUOfficial table 2 row 7
NUC123LD4AN0
Unknown - Xbee SocketOfficial table 2 row 8
Serial1, support wireless programming
Unknown
Start wiring
USB · 5 V · 3.3 V
Confirm the data interface matches your host board.
Module pins: SPI Interface, Analog A0~A5. Schematik maps them to your board in the app.
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