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Re: 16f877sleep後的電流問題
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新會員
 
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THXTHX
發表於: 2007/1/8 21:20
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Re: 16f877sleep後的電流問題
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中級會員
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weak pull-up是指引腳內部可配置為弱上拉
發表於: 2007/1/8 20:45
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Re: 16f877sleep後的電流問題
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新會員
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 什麼是weak pull-up, 因為我沒有外接 Pull-up or Pull-Down 電阻 
發表於: 2007/1/8 19:24
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Re: 16f877sleep後的電流問題
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版主
 
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如果有weak pull-up就設為pull-up,否則就外接 Pull-up or Pull-Down 電阻。
發表於: 2007/1/8 15:11
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16f877sleep後的電流問題
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新會員
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我會做infra-red remote control transmitter
我想sleep 後可以用最少電流~~!! 有什麼要做~~ 我以把無用的腳set to out pin and 關閉其它Int用PORTb wake up but 有兩pin 是 Floating Input 可以在sleep前把它做成不耗電嗎???
發表於: 2007/1/4 15:46
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