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Re: 請問一個關於I/O問題??
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版主
 
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TRISB 設為 1 , 該腳位為輸入功能，其輸入組抗為 10M ohm 。 注意! 這時輸入腳不可以空接以避免不必要的干擾。
發表於: 2005/7/27 16:02
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請問一個關於I/O問題??
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高級會員
 
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例如我可以將PORTB的腳設成高阻抗嗎?
是不是把TRISB=1就好了啊?? 還是不能這樣設啊? 還事一定需要外部電路自己設計呢?? 請各位大大教導一下~感謝!! 
發表於: 2005/7/27 14:58
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