ATMEL at91系列arm的官方驱动，串口等常用的都测试过了，很好，还有很多实例。已经应用在一个项目中了。-ATMEL at91 series arm of the official driver, serial port, such as commonly used are tested, and very good, there are many examples. Has been used in a project in the.
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AT91 AT91 C Library Update notes.txt software ToolBox
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