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用的是stc8g1k08-16pin的,BI FI FAN lock連接的都是led燈,設(shè)置推挽輸出后四個燈都可以亮,但是置0后lock燈還亮著,我量了引腳的電壓是5v,這是為什么呀,燈的另一頭都是接地的
#include "stc8g.h"
sbit BI = P1^1; //電機后退輸入D連接引腳2
sbit FI = P1^0; //電機前進(jìn)輸入C連接引腳1
sbit FAN = P5^4; //風(fēng)扇G連接引腳引腳5
sbit lock = P5^5; //鎖扣I連接引腳14
void main()
{
P1M0 = 0x03; P1M1 = 0x00;
P3M0 = 0x20; P3M1 = 0x00;
P5M0 = 0x10; P5M1 = 0x00; //設(shè)置推挽輸出
BI = 0;
FI = 0;
FAN = 0;
lock = 0
}
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