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參數(shù)資料
型號(hào): W921F840
廠商: WINBOND ELECTRONICS CORP
英文描述: 4-Bit Microcontroller(4位的微控制器)
中文描述: 4位微控制器(第4位的微控制器)
文件頁(yè)數(shù): 49/68頁(yè)
文件大小: 451K
代理商: W921F840
W921F840
Publication Release Date: October 1997
- 49 -
Revision A1
CALL
Program
; Program address 260H with data '1'
INC
DP
MOV
A, #06H
CALL
Program
; Program address 261H with data '6'
INC
DP
MOV
A, #08H
CALL
Program
; Program address 262H with data '8'
End_Loop:
NOP
; Main program end
JMPS
End_Loop
;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
; Subroutine: Erase
;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Erase:
MOV
@M, A
; Setup A0 to A7 by @M
; and D0 to D3 by A
MOV
FEPCR1, #0111B
; Set
ERASE
to low
CALL
Delay1
MOV
FEPCR1, #1111B
; Set
ERASE
to high
RTNI
;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
; Subroutine: Program
;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Program:
MOV
@M, A
; Setup A0 to A7 by @M
; and D0 to D3 by A
MOV
FEPCR1, #1011B
; Set
PROG
to low
CALL
Delay1 ; delay 100us
MOV
FEPCR1, #1001B
; Set
PROGD
to low
CALL
Delay2 ; delay 2 ms
MOV
FEPCR1, #1011B
; Set
PROGD
to high
MOV
FEPCR1, #1111B
; Set
PROG
to high
RTNI
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