STC micro STC8A8K64D4 Series Reference Manual page 245

STC8A8K64D4 Series Manual
sfr P0M0
sfr P1M1
sfr P1M0
sfr P2M1
sfr P2M0
sfr P3M1
sfr P3M0
sfr P4M1
sfr P4M0
sfr P5M1
sfr P5M0
sfr INTCLKO
#define EX2
#define EX3
#define EX4
sbit P10
void INT3_Isr() interrupt 11
{
P10 = !P10;
}
void main()
{
P0M0 = 0x00;
P0M1 = 0x00;
P1M0 = 0x00;
P1M1 = 0x00;
P2M0 = 0x00;
P2M1 = 0x00;
P3M0 = 0x00;
P3M1 = 0x00;
P4M0 = 0x00;
P4M1 = 0x00;
P5M0 = 0x00;
P5M1 = 0x00;
INTCLKO = EX3;
EA = 1;
while (1);
}
Assembly code
;Operating frequency for test is 11.0592MHz
INTCLKO DATA
EX2 EQU
EX3 EQU
EX4 EQU
P0M1 DATA
P0M0 DATA
P1M1 DATA
P1M0 DATA
P2M1 DATA
P2M0 DATA
P3M1 DATA
P3M0 DATA
= 0x94;
= 0x91;
= 0x92;
= 0x95;
= 0x96;
= 0xb1;
= 0xb2;
= 0xb3;
= 0xb4;
= 0xc9;
= 0xca;
= 0x8f;
0x10
0x20
0x40
= P1^0;
8FH
10H
20H
40H
093H
094H
091H
092H
095H
096H
0B1H
0B2H
//Test port
//Enable INT3 interrupt
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