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I/O PORT輸出的小問題?
#1
高級會員
高級會員


查看用戶資訊
list p=18f252
#include<p18f252.inc>
    
org    0x00
    nop
start
:
    
banksel    TRISC
    clrf    TRISC
    banksel    PORTC
           movlw    
B'10110101'
    
movwf    PORTC
    end


請問大家一下...
這是我自己為了了解I/O PORT輸出所寫的一個測試小程式...
為何我用是波器看PORTC個接腳波形..
RC3應為LOW..
RC4應為HIGH..
結果卻是相反??
其它接腳都對...
不知為什麼會醬子?
麻煩指導小弟一下...
謝謝!

發表於: 2004/11/17 15:37
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