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ch32v203's Introduction

CH32V203 系列是基于32位RISC-V内核设计的工业级增强型低功耗通用微控制器,高性能,最高支持144MHz系统主频,低功耗,运行功耗低至45uA/MHz。CH32V203集成双路USB接口,支持USB Host主机及USB Device设备功能,具有1路CAN接口(2.0B主动)、双路OPA运放、4组UART、双路IIC,12位ADC,10路Touchkey等丰富外设资源,同时提供TSSOP20、QFN28、QFN48、LQFP32、LQFP48等多种封装供客户灵活选择。

关键特性

  • 144MHz RISC-V4B Core(青稞)
  • 20KB SRAM,64KB Flash
  • 供电电压:2.5/3.3V,GPIO单元独立供电
  • 多种低功耗模式:睡眠、停止、待机
  • 运行模式低至44.65uA/MHz
  • 睡眠模式低至17.90uA/MHz
  • 上/下电复位、可编程电压检测器
  • 2组18路通用DMA
  • 2组运放比较器
  • 10通道12位ADC转换,10路触摸按键TouchKey
  • 4组定时器
  • 1个USB2.0全速主机/设备接口
  • 1个USB2.0全速设备接口
  • 4个串口
  • 1个CAN接口(2.0B主动)
  • 2组IIC接口、2组SPI接口
  • 37个I/O口,可以映射到16外部中断
  • CRC计算单元,96位芯片唯一ID
  • 串行2线调试接口
  • 多种封装TSSOP20、QFN28、QFN48、LQFP32、LQFP48

CH32V203可以看做所CH32V103的升级型号。

CH32V203 系列官方例程支持多种RTOS,包括FreeRTOS、HarmonyOS、RT-Thread、TencentOS等。

是现阶段(2022-2023)¥3档位MCU的金牌产品,该档的推荐产品还包括:N32G430

开源方案

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