2020-04-16 08:11:44 +02:00
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# [CH552](https://github.com/sochub/CH552)
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[](https://stop.stops.top)
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#### [Vendor](https://github.com/sochub/Vendor)：[WCH](https://github.com/sochub/WCH)
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#### [Cortex](https://github.com/sochub/Cortex)：[E8051](https://github.com/sochub/8051)
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#### [Level](https://github.com/sochub/Level)：6/24MHz
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## [CH552简介](https://github.com/sochub/CH552/wiki)
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[CH552](https://github.com/sochub/CH552) 芯片是一款兼容MCS-51指令集的增强型E8051内核单片机，其79%的指令是单字节单周期指令，平均指令速度比标准MCS-51快8～15倍。
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支持最高24MHz 系统主频，内置16K 程序存储器ROM 和256 字节内部iRAM 以及1K 字节片内xRAM，xRAM 支持DMA直接内存存取。
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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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[](http://www.wch.cn/products/category/5.html)
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[](http://www.wch.cn/products/CH552.html)
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2020-04-17 10:54:06 +02:00
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* 芯片封装：TSSOP20、MSOP10、QFN16、SOP16
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[](http://www.wch.cn/products/CH554.html)
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[](http://www.wch.cn/products/CH554.html)
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2020-04-16 08:11:44 +02:00
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### [资源收录](https://github.com/sochub/CH552)
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* [参考文档](docs/)
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* [参考资源](src/)
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2020-04-17 10:54:06 +02:00
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* [相关工具](tools/)
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#### [外部资源](https://github.com/sochub)
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* [OS-Q H05](https://github.com/OS-Q/H02)
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* [编译器SDCC](https://github.com/sochub/sdcc)
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2020-04-16 08:11:44 +02:00
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### [选型建议](https://github.com/sochub)
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[CH552](https://github.com/sochub/CH552) 是 8051 USB单片机中的低成本方案，性价比十分高，在需要USB和上位机通信的场合使用非常便利（例如模拟WCH家的CH340串口通信）。
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相同规格略提升替换可选[CH552](https://github.com/sochub/CH552)，更高性能的替换可选2倍左右性能和资源增幅的[CH558](https://github.com/sochub/CH558) 或 [CH559](https://github.com/sochub/CH559)，后者可以提供如LQFP48等封装规格。
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更多功能接口或无线集成可选[CH56系列](https://github.com/sochub/CH56)或[CH57系列](https://github.com/sochub/CH57)替换，同厂方案。
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## [SoC资源平台](http://www.qitas.cn)
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