Support for CH32V307 RISC-V
Interest to run micropython on China low cost MCU:
Features
- Qingke V4F processor, up to 144MHz system clock frequency.
- Single-cycle multiplication and hardware division. Hardware float point unit (FPU).
- 64KB SRAM, 256KB Flash.
- Supply voltage: 2.5V/3.3V. GPIO unit is supplied independently.
- Low-power modes: sleep/stop/standby.
- Power-on/power-down reset (POR/PDR), programmable voltage detector (PVD).
- 2 general DMA controllers, 18 channels in total.
- 4 amplifiers.
- One true random number generator (TRNG).
- 2 x 12-bit DAC.
- 2-unit 16-channel 12-bit ADC, 16-channel TouchKey.
- 10 timers.
- USB2.0 full-speed OTG interface.
- USB2.0 high-speed host/device interface (built-in 480Mbps PHY).
- 3 USARTs, 5 UARTs.
- 2 CAN interfaces (2.0B active).
- SDIO interface, FSMC interface, DVP.
- 2 IIC interfaces, 3 SPI interfaces, 2 IIS interfaces.
- Gigabit Ethernet controller ETH (built-in 10M PHY).
- 80 I/O ports, can be mapped to 16 external interrupts;
- CRC calculation unit, 96-bit unique ID.
- Serial 2-wire debug interface.
- Packages: LQFP64M, LQFP100.
http://www.wch-ic.com/products/CH32V307.html
Toolchain(Eclipse):
http://www.mounriver.com/download
GitHub Examples:
https://github.com/SoCXin/CH32V307
Boards:
https://aliexpress.ru/item/1005004449629983.html
https://aliexpress.ru/item/1005004350410929.html
Possible to buy at JLCPCB(when pcb+assemble) 3.5$ peice:
https://jlcpcb.com/partdetail/wch_jiangsu_Qin_heng-CH32V307RCT6/C2988083
Can Support CH32V103 ?
Description
Product mcu : https://www.wch-ic.com/products/CH32V103.html
Features
Qingke V3A processor, max 80MHz system clock frequency.
Single-cycle multiplication and hardware division.
20KB SRAM, 64KB CodeFlash.
2.7V to 5.5V supply voltage, supplies to GPIO simultaneously.
Low-power modes: sleep/stop/standby.
Power-on/power-down reset (POR/PDR).
Programmable voltage detector (PVD).
7-channel DMA controller.
16-channel TouchKey detection.
16-channel 12-bit ADC.
7 timers.
One USB2.0 host/device interface (full-speed and low-speed).
Two I2C interfaces (support SMBus/PMBus).
3 USARTs.
2 SPIs (Master mode and Slave mode).
51 I/O ports, all I/O ports can be mapped to 16 external interrupts.
CRC calculation unit, 96-bit unique ID.
Serial debug interface (SDI).
Packages: LQFP64M, LQFP48, QFN48.
I hope there will be python language to support writing code with mcu wch.
Code Size
No response
Implementation
I hope the MicroPython maintainers or community will implement this feature
Code of Conduct
Yes, I agree