EP-0117aA

Description

This is a control board with onboard RISC-V microprocessor (GD32VF103), which belongs to the DockerPi series expansion board.
It communicates with the Raspberry Pi (or similar SBC) through I2C.
The factory program allows the user to control the changes of the two LEDs.
The software is fully open source, allowing users to program in JTAG mode.
There are 2 user indication LEDs, power LEDs, and all IOs.
It is suitable for coprocessors, analog conversions, low-power computing and other occasions.
Warning:

Please pay attention to the working characteristics of the microprocessor's GPIO during secondary development. Some pins cannot be compatible with 5V level, and some pins do not support high current drive.
The RISC-V architecture is very different from ARM.
You must read related manuals carefully before performing secondary development on it.

Features

• DockerPi series expansion board
• Communicate with Raspberry Pi (or similar SBC) through I2C interface
• Secondary development through JTAG interface, open source.
• The factory preset program has the following characteristics
  • I2C control LED through program
  • I2C control LED by command
• Support synergy with other DockerPi series
• Low power consumption, high performance, and high energy efficiency

Specifications

• On-board reset button / TAMP button
• 32.768kHz crystal on board
• 8MHz crystal on board
• RISC-V architecture
• Multiple extension pins on board
• Jlink/JTAG program interface
• Device default address: 0x41

Keywords

• RISCV, DockerPi series, GeeekPi, RISCV prototype board, PIO, GD32VF103, Raspberry Pi 4B, Raspberry Pi cooperate MCU