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參數資料
型號: W79E648
廠商: WINBOND ELECTRONICS CORP
英文描述: Fast 8051 Compatible microcontroller with a redesigned Processor
中文描述: 快速8051兼容微控制器重新設計的處理器
文件頁數: 79/80頁
文件大小: 407K
代理商: W79E648
Preliminary W79E648
Publication Release Date: 05/31/2004
- 79 - Revision A1
READ_VERIFY_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
;******************************************************************************
;* PROGRAMMING COMPLETLY, SOFTWARE RESET CPU
;******************************************************************************
MOV TA,#AAH
MOV TA,#55H
MOV CHPCON,#83H ; SOFTWARE RESET. CPU will restart from APFlash0
ERROR_64K:
DJNZ R4,UPDATE_64K ; IF ERROR OCCURS, REPEAT 3 TIMES.
; IN-SYST PROGRAMMING FAIL, USER'S PROCESS TO DEAL WITH IT.
.
.
.
; SFRCN = 80H , Read APFlash1
; SFRAL = LOW ADDRESS
; TCON = 10H, TR0 = 1,GO
.
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