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群里的大神，请教一下377D的UPP接口，数据手册说是单工模式，设定之后是只能纯读或纯写，还是可以随时修改模式设定，8位并口数据可随时读可随时写？
您好，
下面帖子讨论了类似问题，请参考。
TMS320F28374S: UPP Rx and Tx switching time - C2000 microcontrollers forum - C2000︎ microcontrollers - TI E2E support forums
