;***********************************************************************;
;title: Em78p458/9 comparator test program ;
;Description:比較器結(jié)果由Port60輸出,當(dāng)R3的bit7為1時(shí),輸出high pulse,當(dāng)R3的 ;
; bit7為０時(shí),輸出low pulse.比較器輸出由port57輸出與port60一樣的 ;
; 波形。 ;
;Company: ELAN MICROELECTRONICS (SZ) LTD.INC ;
;************************************************************************; include "d:\wice\inc\em78_headfile\em78p458.inc" ;include em78p458 head file
;=================================================================================
dly1 == 0x30 ;delay register 1
dly2 == 0x31 ;delay register 2
;----------------------------------------------------------
org 0
jmp start
org 0x08
reti
start:
disi
mov a,@0b00000000
contw ;set cont register
bs r9,5 ; register segment
mov a,@0b00000000
iow ioc51 ;set port51,52 funtion
bc r9,5 ;
mov a,@0b01100000 ;bit6(CE)=1,enable comparator,
;bit5(coe)=1,set comparator |
66821730(技術(shù)支持)
