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# [CH552](https://github.com/SoCXin/CH552)
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2020-04-16 08:11:44 +02:00
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2020-09-21 08:39:00 +02:00
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[![sites](http://182.61.61.133/link/resources/SoC.png)](http://www.SoC.Xin)
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2020-12-05 11:02:59 +01:00
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#### [Vendor](https://github.com/SoCXin/Vendor):[WCH](http://www.wch.cn/)
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2020-09-21 08:39:00 +02:00
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#### [Core](https://github.com/SoCXin/8051):[E8051](https://github.com/SoCXin/8051)
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#### [Level](https://github.com/SoCXin/Level):24MHz
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## [CH552简介](https://github.com/SoCXin/CH552/wiki)
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2020-12-05 11:02:59 +01:00
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[CH552](https://github.com/SoCXin/CH552)兼容MCS51的增强型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。
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2020-04-16 08:11:44 +02:00
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2020-12-05 11:02:59 +01:00
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内置2KB BootLoader,支持USB和串口ISP,提供ISP下载库。
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2020-12-05 11:02:59 +01:00
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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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2020-04-16 08:11:44 +02:00
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[![sites](docs/CH552.png)](http://www.wch.cn/products/CH552.html)
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#### 关键特性
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* 5V->3.3V LDO
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* Type-C主从检测
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* USB全速设备模式
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* UART x 2 + SPI
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* 性价比小封装(TSSOP20/SOP16/MSOP10/QFN16)
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2020-09-21 08:39:00 +02:00
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### [资源收录](https://github.com/SoCXin/CH552)
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* [参考文档](docs/)
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* [参考资源](src/)
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* [参考工程](project/)
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* [烧录工具上位机](http://www.wch.cn/downloads/WCHISPTool_Setup_exe.html)
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### [选型建议](https://github.com/SoCXin)
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[CH552](https://github.com/SoCXin/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,拥有Arduino资源适配和各种开发历程。
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2020-12-05 11:06:27 +01:00
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同系列中,USB主从设备升级可选[CH554](http://www.wch.cn/products/CH554.html),支持USB HOST主机模式和USB DEVICE设备模式
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2020-12-05 11:06:27 +01:00
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降低规格可选[CH551](http://www.wch.cn/products/CH551.html),程序存储器ROM 为10K,片内xRAM为512 字节,异步串口仅提供UART0,封装形式仅SOP16,并且去掉了ADC模数转换模块和USB type-C模块
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### [SoC芯平台](http://www.SoC.Xin)
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