STC micro STC8A8K64D4 Series - Timer 0 (Mode 3 - 16-Bit Auto Reload with Non-Maskable Interrupt)

STC8A8K64D4 Series Manual
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P4M1 DATA 0B3H
P4M0 DATA 0B4H
P5M1 DATA 0C9H
P5M0 DATA 0CAH
ORG 0000H
LJMP MAIN
ORG 000BH
LJMP TM0ISR
ORG 0100H
TM0ISR:
CPL P1.0 ;Test port
RETI
MAIN:
MOV SP, #5FH
MOV P0M0, #00H
MOV P0M1, #00H
MOV P1M0, #00H
MOV P1M1, #00H
MOV P2M0, #00H
MOV P2M1, #00H
MOV P3M0, #00H
MOV P3M1, #00H
MOV P4M0, #00H
MOV P4M1, #00H
MOV P5M0, #00H
MOV P5M1, #00H
MOV TMOD,#02H ;Mode 2
MOV TL0,#0F4H ;256-11.0592M/12/76K
MOV TH0,#0F4H
SETB TR0 ;Start timer
SETB ET0 ;Enable timer interrupt
SETB EA
JMP $
END
13.5.4 Timer 0 (Mode 3 - 16-bit auto reload with non-maskable interrupt)
C language code
//Operating frequency for test is 11.0592MHz
#include "reg51.h"
#include "intrins.h"
sfr P0M1 = 0x93;
sfr P0M0 = 0x94;
sfr P1M1 = 0x91;
sfr P1M0 = 0x92;
sfr P2M1 = 0x95;
sfr P2M0 = 0x96;