STC micro STC8A8K64D4 Series - Read EEPROM Using MOVC

STC8A8K64D4 Series Manual
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IAP_ERASE:
MOV IAP_CONTR,#80H ;Enable IAP
MOV IAP_TPS,#12 ;Set the erasing wait parameter of 12MHz
MOV IAP_CMD,#3 ;Set IAP erasing command
MOV IAP_ADDRL,DPL ;Set IAP low address
MOV IAP_ADDRH,DPH ;Set IAP high address
MOV IAP_TRIG,#5AH ;Write trigger command (0x5a)
MOV IAP_TRIG,#0A5H ;Write trigger command (0xa5)
NOP
LCALL IAP_IDLE ;Disable IAP function
RET
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 DPTR,#0400H
LCALL IAP_ERASE
MOV DPTR,#0400H
LCALL IAP_READ
MOV P0,A ;P0=0FFH
MOV DPTR,#0400H
MOV A,#12H
LCALL IAP_PROGRAM
MOV DPTR,#0400H
LCALL IAP_READ
MOV P1,A ;P1=12H
SJMP $
END
16.4.2 Read EEPROM using MOVC
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;