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8168外围想多扩展几个串口来用

Other Parts Discussed in Thread: TL16C754C

如题:8168外围想多扩展几个串口来用,不知道可有什么好的方案。

备注:听说用8168的SPI接口来外扩串口会用问题,不知道可有这个问题。

我目前找到一款可以用SPI接口来扩展串口的IC,但是听说会有问题,所以特来问问。另外如果真的有问题,可还有其它扩展串口的方案,望赐教。