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Kaz Saita(raspi5) 2024-11-15 11:15:04 +09:00
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content/20241114182939 CH32Vの開発環境.md
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# 20241114182939 CH32Vの開発環境
#ch32v #microcontroller #software
CH32Vは
CH32Vは [NanjingQinhengMicroelectronics](https://www.wch-ic.com/) が製造しているRISCVのMCU。
- めちゃ安い(20241115 # CH32V003J4M6 秋月で40円 [32ビットRISC-Vマイコン CH32V003J4M6: 半導体 秋月電子通商-電子部品・ネット通販](https://akizukidenshi.com/catalog/g/g118062/))
- 外付け部品不要で動かせる(内蔵RC発振)
- それなりにフラッシュメモリもある。 e.g. CH32V003J4M6はFlashl16k, RAM2kB(米粒AVRだと Flash 1kB, RAM 32)
など、ちょっとしたことに使いやすそう。
## 必要なもの
- マイコン
- デバッガ。 WCH-LinkE [WCH-Link Emulation Debugger Module - NanjingQinhengMicroelectronics](https://www.wch-ic.com/products/WCH-Link.html) が純正品で、これを使っているが、SWDで通信できれば何でもよかったかもしれない。
PlatformIOで選択可能なのは以下の3種類。 PlatformIOへCH32Vをインストールする方法はこちら。 [Welcome to the PlatformIO CH32V Documentation! — PIO CH32V 0.1 documentation](https://pio-ch32v.readthedocs.io/en/latest/index.html)