STC micro STC8A8K64D4 Series Reference Manual page 242

STC8A8K64D4 Series Manual
P2M1 = 0x00;
P3M0 = 0x00;
P3M1 = 0x00;
P4M0 = 0x00;
P4M1 = 0x00;
P5M0 = 0x00;
P5M1 = 0x00;
IT1 = 1;
EX1 = 1;
EA = 1;
while (1);
}
Assembly code
;Operating frequency for test is 11.0592MHz
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
LJMP
ORG
INT1ISR:
CPL
RETI
MAIN:
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
SETB
SETB
SETB
JMP
093H
094H
091H
092H
095H
096H
0B1H
0B2H
0B3H
0B4H
0C9H
0CAH
0000H
MAIN
0013H
INT1ISR
0100H
P1.0
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
IT1
EX1
EA
$
//Enable INT1 falling edge interrupt
//Enable INT1 interrupt
;Test port
;Enable INT1 falling edge interrupt
;Enable INT1 interrupt
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