參數(shù)資料
型號: W78L516A24PL
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQCC44
封裝: ROHS COMPLIANT, PLASTIC, LCC-44
文件頁數(shù): 33/37頁
文件大?。?/td> 256K
代理商: W78L516A24PL
W78LE516/W78L516A
Publication Release Date: November 6, 2006
- 33 -
Revision A7
MOV TCON, #00H ; TR = 0 TIMER0 STOP
MOV IP, #00H ; IP = 00H
MOV IE, #82H ; TIMER0 INTERRUPT ENABLE FOR WAKE-UP FROM IDLE MODE
MOV R6, #F0H ; TL0 = F0H
MOV R7, #FFH ; TH0 = FFH
MOV TL0, R6
MOV TH0, R7
MOV TMOD, #01H ; TMOD = 01H, SET TIMER0 A 16-BIT TIMER
MOV TCON, #10H ; TCON = 10H, TR0 = 1, GO
MOV PCON, #01H ; ENTER IDLE MODE FOR LAUNCHING THE IN-SYSTEM
; PROGRAMMING
;********************************************************************************
;* Normal mode 64KB AP FLASH EPROM program: depending user's application
;********************************************************************************
NORMAL_MODE:
. ; User's application program
.
.
.
EXAMPLE 2:
;***************************************************************************************************************************** ;*
Example of 4 KB LD FLASH EPROM program: This loader program will erase the 64KB AP FLASH EPROM first,
then reads the new ;* code from external SRAM and program them into 64 KB AP FLASH EPROM bank. XTAL =
16 MHz
;*****************************************************************************************************************************
.chip 8052
.RAMCHK OFF
.symbols
CHPCON EQU BFH
CHPENR EQU F6H
SFRAL EQU C4H
SFRAH EQU C5H
SFRFD EQU C6H
SFRCN EQU C7H
ORG 000H
LJMP 100H ; JUMP TO MAIN PROGRAM
;************************************************************************
;* 1. TIMER0 SERVICE VECTOR ORG = 0BH
;************************************************************************
ORG 000BH
CLR TR0 ; TR0 = 0, STOP TIMER0
MOV TL0, R6
MOV TH0, R7
RETI
;************************************************************************
;* 4KB LD FLASH EPROM MAIN PROGRAM
;************************************************************************
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