W925EP01 Datasheet, PDF (76/108 Pages) Winbond – 8-BIT CID MICROCONTROLLER

W925EP01/ W925EP01FG
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; User's application program
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; EXAMPLE 2:
;***************************************************************************************************************
;Example of 4KB LDROM program: This loader program will erase the 64KB APROM first, then reads
the new
;code from external SRAM and program them into 64KB APROM bank. XTAL = 4 MHz
;***************************************************************************************************************
.chip 8052
.RAMCHK OFF
.symbols
CHPCON
TA
SFRAL
SFRAH
SFRFD
SFRCN
EQU
EQU
EQU
EQU
EQU
EQU
EFH
EEH
E4H
E5H
E6H
E7H
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 LDROM MAIN PROGRAM
;************************************************************************
ORG 100H
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