w79e532 Winbond Electronics Corp America, w79e532 Datasheet - Page 75

• Manufacturer Part Number: w79e532
• Description: 8-bit Microcontroller
• Manufacturer: Winbond Electronics Corp America

.
;******************************************************************************
;* PROGRAMMING COMPLETLY, SOFTWARE RESET CPU
;******************************************************************************
ERROR_64K:
MOV SFRAL,R2
MOV TCON,#10H
MOV PCON,#01H
INC R2
MOVX A,@DPTR
INC DPTR
CJNE A,SFRFD,ERROR_64K
CJNE R2,#0H,READ_VERIFY_64K
INC R1
MOV SFRAH,R1
CJNE R1,#0H,READ_VERIFY_64K
MOV TA,#AAH
MOV TA,#55H
MOV CHPCON,#83H
DJNZ R4,UPDATE_64K ; IF ERROR OCCURS, REPEAT 3 TIMES.
.
.
.
; SFRAL = LOW ADDRESS
; TCON = 10H, TR0 = 1,GO
; SOFTWARE RESET. CPU will restart from APFlash0
; IN-SYST PROGRAMMING FAIL, USER'S PROCESS TO DEAL WITH IT.
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Publication Release Date: November 21, 2005
W79E532/W79L532
Revision A5