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S3 L1 R1: WCH 1T 8051 USB MCU (CH554/CH553)

C++ 5.01% C 92.48% Batchfile 0.22% Python 0.15% Makefile 0.10% MATLAB 0.01% Shell 0.01% Emacs Lisp 2.04%
8051 usb-device usb-host lowpin qitas mcu ldo wch usb qio

ch554's Introduction

CH554

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Build Status

简介

CH554 增强型E8051内核，79%指令是单字节单周期指令，2KB Boot + 14KB Flash，1K xRAM(支持DMA) +256B iRAM，128B DataFlash。

CH554提供丰富的接口资源，包括ADC模数转换、3组定时器和信号捕捉及PWM、双异步串口、SPI等。6通道电容检测模块，互电容方式支持最多15个触摸按键。内嵌全速USB控制器,支持USB HOST主机模式和USB DEVICE设备模式。

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关键特性

  • USB 2.0 FS (H or D)
  • 5V->3.3V LDO
  • 128B DataFlash
  • USB Type-C 主从检测
  • 内置2KB BootLoader，支持USB和串口ISP

资源收录

选型建议

CH554是一款广泛应用的低成本USB HOST MCU，降配版本CH552具有更高性价比，应用于各种简单USB通信外设，已经积累了不少的开源的项目，尤其是在开源硬件领域，用于在板调试。

  • CH552不支持USB-HOST主机模式

  • CH551ROM降为10K，xRAM为512字节，串口仅UART0，封装仅SOP16，去掉了ADC和USB type-C功能。

  • 各种小封装可选：TSSOP20/SOP16/QFN16/MSOP10

CH554/CH552具有Type-C CC功能，更多WCH PD方案，以及关于USB-PD

相关开发板

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完成度较高的开源项目

探索芯世界 www.SoC.xin

ch554's People

Contributors

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Forkers

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