这是一个总线扩展1个并口和2个串口的芯片(具有 16 字节 FIFO 并行端口的双路 UART)是一个很古老的芯片啦,不过TI没有停产。请问哪位前辈有关于这个芯片操作的参考代码吗?或者那儿有找?谢谢啦。有的发我邮箱pjtxtu@126.com 感激不尽。
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