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Re: pic18F64J11 感觉没有进入睡眠模式,着急
#2
版主
版主


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1. Watch-Dog Timer & BOR 有關掉嗎?
2. 有確定程式有在執行?
3. 把模擬的輸入通通設成 Digital I/O.

發表於: 2009/11/27 12:06
Twitter Facebook Google Plus Linkedin Del.icio.us Digg Reddit Mr. Wong 頂部


pic18F64J11 感觉没有进入睡眠模式,着急
#1
初級會員
初級會員


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我用一个板子焊了一片pic18F64J11 想测试功耗.板子上的MCU除了接电容电源外什么都没有接,管脚悬空.我测试发现好像MCU进入不了睡眠,我用的是内部振荡器.发现内部振荡器选择也有问题.我在configbit里面选择的是INTOSC HS模式
下面是测试代码,很短的几行请各位老师帮忙看看,为什么进入不了睡眠.执行睡眠前是2.3ma 执行后还是2.3ma 不知道为什么,感觉没有进入睡眠模式,而且功耗本身也偏大.设置的125K 内部RC 应该不会到ma解别的功耗吧.电源是3.3V 电池

#include "p18f64J11.h"
unsigned int count;
void main()
{
OSCCON=0x13;
OSCTUNE=0x00;
//REFOCON=0x10;
INTCON=0x00;
WDTCON=0x00;
TRISA=0x00;
TRISB=0x00;
TRISC=0x00;
TRISD=0x00;
TRISE=0x00;
TRISG=0x00;
LATA=0x00;
LATB=0x00;
LATC=0x00;
LATD=0x00;
LATE=0x00;
LATF=0x00;
LATG=0x00;

//while(1);
// for(count=65535;count>0;count--)
//OSCCON=0x08;
//LATG=0x00;
Nop();
Nop();
{_asm sleep _endasm};
Nop();
Nop();
//LATG=0x0f;
while(1);
}

發表於: 2009/11/26 18:15
Twitter Facebook Google Plus Linkedin Del.icio.us Digg Reddit Mr. Wong 頂部







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