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ch552's Introduction

CH552

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Vendor：WCH

Core：E8051

Level：24MHz

CH552简介

CH552兼容MCS51的增强型E8051内核，79%指令是单字节单周期指令，2KB BootLoader + 14KB Flash，1K xRAM(支持DMA) +256B iRAM，128B DataFlash。

内置24MHz时钟源和PLL，内置了ADC模数转换、触摸按键电容检测、3组定时器和信号捕捉及PWM、双异步串口、SPI、USB设备控制器和全速收发器、USB type-C等功能模块。

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关键特性

  • 5V->3.3V LDO
  • 内置2KB BootLoader，支持USB和串口ISP，提供ISP下载库
  • Type-C 主从检测
  • USB全速设备模式
  • UART x 2 + SPI x 1
  • 小封装(TSSOP20/SOP16/MSOP10/QFN16)

资源收录

选型建议

CH552 是市场上高性价比USB单片机，在开源社区中拥有较高声望。

同系列中升级CH554将增加支持USB HOST主机模式

降低规格可选CH551，ROM降为10K，片内xRAM为512字节，异步串口仅提供UART0，仅SOP16封装，并且去掉了ADC模数转换模块和USB type-C模块。

www.SoC.xin(芯)

ch552's People

Contributors

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