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# [CH552](https://github.com/sochub/CH552)
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2018-10-17 05:37:36 +02:00
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2019-04-04 11:42:35 +02:00
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[](http://www.qitas.cn)
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2018-11-17 16:08:06 +01:00
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2019-04-04 11:42:35 +02:00
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#### qitas@qitas.cn
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2018-11-17 16:08:06 +01:00
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2019-04-04 11:42:35 +02:00
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#### 父级：[WCH-8051](https://github.com/sochub/WCH-8051)
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#### 归属：[MCS-51](https://github.com/sochub/MCS-51)
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2018-10-17 05:37:36 +02:00
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## [简介](https://github.com/sochub/CH552/wiki)
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2018-10-17 05:37:36 +02:00
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CH552芯片是一款兼容MCS51 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MCS51快8～15 倍。
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2018-10-29 17:17:17 +01:00
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2019-04-04 11:42:35 +02:00
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CH552 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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2018-10-17 10:44:45 +02:00
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2019-04-04 11:42:35 +02:00
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CH552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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2018-10-17 10:44:45 +02:00
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2019-04-04 11:42:35 +02:00
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[](http://www.wch.cn/products/CH552.html)
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2018-10-17 10:50:01 +02:00
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2019-04-04 11:42:35 +02:00
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## [组成](https://github.com/sochub/CH552)
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#### [文档](docs/)
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#### [资源](src/)
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#### [工程](project/)
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### [相似产品](https://github.com/sochub/CH552)
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- [CH558](https://github.com/sochub/CH558)
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- [CH554](https://github.com/sochub/CH554)
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## [SoC开发平台](http://www.qitas.cn)
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2018-10-17 10:50:01 +02:00
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2018-10-17 10:16:42 +02:00
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