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AN420 数据表(PDF) 13 Page - STMicroelectronics

部件名 AN420
功能描述  Occasionally the analog signal provided by external sensors require
PDF  16 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

AN420 数据表(HTML) 13 Page - STMicroelectronics

Back Button AN420 Datasheet HTML 8Page - STMicroelectronics AN420 Datasheet HTML 9Page - STMicroelectronics AN420 Datasheet HTML 10Page - STMicroelectronics AN420 Datasheet HTML 11Page - STMicroelectronics AN420 Datasheet HTML 12Page - STMicroelectronics AN420 Datasheet HTML 13Page - STMicroelectronics AN420 Datasheet HTML 14Page - STMicroelectronics AN420 Datasheet HTML 15Page - STMicroelectronics AN420 Datasheet HTML 16Page - STMicroelectronics  
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AN420
Application example
Doc ID 2078 Rev 2
13/15
jrs c2,Hres,c2conv
jrs c3,Hres,c3conv
c4conv
ldi Hres,3
ld Lres,a
ld a,drcs
res VN1,a
ld drcs,a
ld drc,a
;VN1=VN2=VN3=0
jp convout
c1conv
pi a,0ffh
jrnz c1c1
lr Hres
ld Lres,a
convout
d a,w
reti
c1c1
ld a,drcs
set VN3,a
ld drcs,a
ld drc,a
;VN1=VN2=0, VN3=1
set 5,adcr
;start conversion
res c1,Hres
set c2,Hres
jp convout
;exit interrupt
c2conv
cpi a,0ffh
jrnz c2c1
ldi Hres,1
ld Lres,a
jp convout
c2c1
ld a,drcs
res VN3,a
set VN2,a
ld drcs,a
ld drc,a
;VN1=VN3=0, VN2=1
set 5,adcr
;start conversion
res c2,Hres
set c3,Hres
jp convout
;exit interrupt
c3conv
cpi a,0ffh
jrnz c3c1



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