Read The Frequency Of 32K Power-Down Wake-Up Timer (Read From Flash) - STC micro STC8A8K64D4 Series Reference Manual

STC8A8K64D4 Series Manual
MOV
LCALL
SETB
SETB
MOV
MOV
CLR
MOVX
LCALL
INC
CLR
MOVX
LCALL
LOOP:
JMP
END
7.5.8 Read the Frequency of 32K Power-down Wake-up Timer (Read from
Flash)
C language code
//Operating frequency for test is 11.0592MHz
#include "reg51.h"
#include "intrins.h"
#define FOSC
#define BRT
sfr AUXR
sfr P0M1
sfr P0M0
sfr P1M1
sfr P1M0
sfr P2M1
sfr P2M0
sfr P3M1
sfr P3M0
sfr P4M1
sfr P4M0
sfr P5M1
sfr P5M0
bit busy;
int *F32K;
void UartIsr() interrupt 4
{
if (TI)
{
TI = 0;
busy = 0;
P5M1, #00H
UART_INIT
ES
EA
P_SW2,#80H
DPTR,# F32K_ADDR
A
A,@DPTR
UART_SEND
DPTR
A
A,@ DPTR
UART_SEND
LOOP
11059200UL
(65536 - FOSC / 115200 / 4)
= 0x8e;
= 0x93;
= 0x94;
= 0x91;
= 0x92;
= 0x95;
= 0x96;
= 0xb1;
= 0xb2;
= 0xb3;
= 0xb4;
= 0xc9;
= 0xca;
; Read high byte of 32K frequency
; Read low byte of 32K frequency
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