Low Voltage Detection - STC micro STC8A8K64D4 Series Reference Manual

STC8A8K64D4 Series Manual
Assembly code
; Operating frequency for test is 11.0592MHz
IAP_CONTR DATA
P0M1 DATA
P0M0 DATA
P1M1 DATA
P1M0 DATA
P2M1 DATA
P2M0 DATA
P3M1 DATA
P3M0 DATA
P4M1 DATA
P4M0 DATA
P5M1 DATA
P5M0 DATA
ORG
LJMP
ORG
MAIN:
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
SETB
SETB
LOOP:
JB
JB
MOV
JMP
END

6.7.5 Low Voltage Detection

C language code
// Operating frequency for test is 11.0592MHz
#include "reg51.h"
#include "intrins.h"
sfr RSTCFG
#define ENLVR
#define LVD2V0
0C7H
093H
094H
091H
092H
095H
096H
0B1H
0B2H
0B3H
0B4H
0C9H
0CAH
0000H
MAIN
0100H
SP, #5FH
P0M0, #00H
P0M1, #00H
P1M0, #00H
P1M1, #00H
P2M0, #00H
P2M1, #00H
P3M0, #00H
P3M1, #00H
P4M0, #00H
P4M1, #00H
P5M0, #00H
P5M1, #00H
P3.2
P3.3
P3.2,LOOP
P3.3,LOOP
IAP_CONTR,#60H
$
= 0xff;
0x40
0x00
;Reset to ISP when P3.2 and P3.3 are both 0
//RSTCFG.6
//LVD@2.0V
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