STC micro STC8A8K64D4 Series - Timer 4 (16-Bit Auto Reload)

STC8A8K64D4 Series Manual
- 360 -
MOV P4M0, #00H
MOV P4M1, #00H
MOV P5M0, #00H
MOV P5M1, #00H
LCALL UART3_INIT
MOV IE2,#08H
SETB EA
MOV DPTR,#STRING
LCALL UART3_SENDSTR
LOOP:
MOV A,RPTR
XRL A,WPTR
ANL A,#0FH
JZ LOOP
MOV A,RPTR
ANL A,#0FH
ADD A,#BUFFER
MOV R0,A
MOV A,@R0
LCALL UART3_SEND
INC RPTR
JMP LOOP
STRING: DB 'Uart Test !',0DH,0AH,00H
END
13.5.27 Timer 4 (16-bit auto reload)
C language code
//Operating frequency for test is 11.0592MHz
#include "reg51.h"
#include "intrins.h"
sfr T4T3M = 0xd1;
sfr T4L = 0xd3;
sfr T4H = 0xd2;
sfr T3L = 0xd5;
sfr T3H = 0xd4;
sfr T2L = 0xd7;
sfr T2H = 0xd6;
sfr AUXR = 0x8e;
sfr IE2 = 0xaf;
#define ET2 0x04
#define ET3 0x20
#define ET4 0x40
sfr AUXINTIF = 0xef;
#define T2IF 0x01
#define T3IF 0x02
#define T4IF 0x04