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Re: 請問usart的問題
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資深會員
 
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1.拿TX來共用I/O.
2.用一般I/O來自己做delay送出TX.
發表於: 2007/8/28 22:48
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請問usart的問題
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高級會員
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請問我使用pic18f2520，並有使用usart功能，但只用於傳送並不接收，現在因缺IO腳想拿RC7(RX)來當輸出用，但只要一打開USART功能，RC7就變成input(高阻抗)，不知道要如何設定才可單獨使用RC7(RX)為輸出而不用關掉USART功能。
發表於: 2007/8/28 21:48
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