== Winchiphead / WCH ==
RISC-V-Modelle der [[https://www.wch-ic.com/about_us.html | Nanjing Qinheng Microelectronics]] Co., Ltd., die unter dem Markennamen WCH (für Winchiphead) verkauft werden. 


=== RISC-V ===

[[https://www.wch-ic.com/products/CH32V203.html | CH32V203]] 32-bit Enhanced Low-Power RISC-V MCU, up to 144MHz system clock frequency,  low power low as 49.3uA/MHz, 2-channel USB interface which supports USB Host and USB Device functions. 1-channel CAN interface (2.0B active), 2-channel OPA, 4 UARTs, 2 IICs, 12-bit ADC, 10-channel TouchKey and other peripheral resources. Upt to 128 KFlash, 64K SRAM. [[https://www.wch-ic.com/downloads/file/324.html?time=2025-06-02%2020:11:01&code=M7F906afXcU1DivX7JwYN0ZSRzb9mgSnVsa8bA2k | Manual PDF]].