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參數(shù)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(shè)計的處理器
文件頁數(shù): 76/80頁
文件大?。?/td> 407K
代理商: W79E648
Preliminary W79E648
- 76 -
PROGRAM_64:
MOV TA, #AAH
MOV TA, #55H
MOV CHPCON, #03H
MOV SFRCN, #0H
MOV TCON, #00H
MOV IP, #00H
MOV IE, #82H
MOV R6, #F0H
MOV R7, #FFH
MOV TL0, R6
MOV TH0, R7
MOV TMOD, #01H
MOV TCON, #10H
MOV PCON, #01H
;************** ******************************************************************
; CHPCON register is written protect by TA register.
; CHPCON = 03H, ENTER IN-SYSTEM PROGRAMMING MODE
; TR = 0 TIMER0 STOP
; IP = 00H
; TIMER0 INTERRUPT ENABLE FOR WAKE-UP FROM IDLE MODE
; TL0 = F0H
; TH0 = FFH
; TMOD = 01H, SET TIMER0 A 16-BIT TIMER
; TCON = 10H, TR0 = 1,GO
; ENTER IDLE MODE FOR LAUNCHING THE IN-SYSTEM PROGRAMMING
;* Normal mode 64KB APFlash program: depending user's application
;********************************************************************************
NORMAL_MODE:
.
; User's application program
EXAMPLE 2:
;***************************************************************************************************************************** ;*
Example of 4KB LDFlash program: This loader program will erase the 64KB APFlash first, then reads the new ;*
code from external SRAM and program them into 64KB APFlash bank. XTAL = 24 MHz
.
.
.
;*****************************************************************************************************************************
.chip 8052
.RAMCHK OFF
.symbols
CHPCON
EQU
9FH
TA
EQU
C7H
SFRAL
EQU
ACH
SFRAH
EQU
ADH
SFRFD
EQU
AEH
SFRCN
EQU
AFH
ORG 000H
LJMP 100H
; JUMP TO MAIN PROGRAM
;************************************************************************
;* 1. TIMER0 SERVICE VECTOR ORG = 0BH
;************************************************************************
ORG 000BH
CLR TR0
MOV TL0, R6
MOV TH0, R7
; TR0 = 0, STOP TIMER0
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