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STC12LE5616AD Datasheet(PDF) 152 Page - STCmicro Technology Co,.Ltd

Part # STC12LE5616AD
Description  Enhanced 8051 Central Processing Unit ,1T per machine cycle, faster 8~12 times than the rate of a standard 8051.
PDF  377 Pages
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Manufacturer  STC [STCmicro Technology Co,.Ltd]
Direct Link  http://www.stcmicro.com/
Logo STC - STCmicro Technology Co,.Ltd

STC12LE5616AD Datasheet(HTML) 152 Page - STCmicro Technology Co,.Ltd

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2. Demostrate the Power-Down Mode waked up by Falling Edge of External Interrupt 1
C program
/*------------------------------------------------------------------------------------*/
/* --- STC MCU International Limited ---------------------------------------*/
/* --- STC 1T Series MCU Power-Down wakeup by INT1 Demo -------*/
/* If you want to use the program or the program referenced in the ------*/
/* article, please specify in which data and procedures from STC ------*/
/*-------------------------------------------------------------------------------------*/
#include "reg51.h"
#include "intrins.h"
//External interrupt0 service routine
void exint1( ) interrupt 2
//INT1, interrupt 2 (location at 0013H)
{
}
void main()
{
IT1 = 1;
//set INT1 interrupt type (1:Falling 0:Low level)
EX1 = 1;
//enable INT1 interrupt
EA = 1;
//open global interrupt switch
while (1)
{
INT1 = 1;
//ready read INT1 port
while (!INT1);
//check INT1
_nop_();
_nop_();
PCON = 0x02;
//MCU power down
_nop_();
_nop_();
P1++;
}
}
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