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AN1447 Datasheet(PDF) 23 Page - STMicroelectronics

Part # AN1447
Description  SOFTWARE DRIVER FOR 4-MULTIPLEXED LCD WITH A STANDARD ST62
PDF  26 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN1447 Datasheet(HTML) 23 Page - STMicroelectronics

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4-MULTIPLEXED LCD WITH A STANDARD ST62
; icon 1 segment
do_icon1:
jrr
ICO1,iconsI,do_icon2
jrs
2,LCD_Ph,icon1_1
icon1_0:
res
ICON1_SEG,DR_seg_2
jp
do_icon2
icon1_1:
set
ICON1_SEG,DR_seg_2
; icon 2 segment
do_icon2:
jrr
ICO2,iconsI,do_icon3
jrs
2,LCD_Ph,icon2_1
icon2_0:
res
ICON2_SEG,DR_seg_2
jp
do_icon3
icon2_1:
set
ICON2_SEG,DR_seg_2
; icon 3 segment
do_icon3:
jrr
ICO3,iconsI,com_upd
jrs
2,LCD_Ph,icon3_1
icon3_0:
res
ICON3_SEG,DR_seg_2
jp
com_upd
icon3_1:
set
ICON3_SEG,DR_seg_2
;--- Update commons I/Os (shadow registers) ---
com_upd:
ldi
DWR,#WINDOW(wave_ddr)
; Update DDR
ldi
a,#WINOFFSET(wave_ddr)
add
a,LCD_Ph
ld
x,a
ld
a,DDR_com
andi
a,COM_MASK
add
a,(x)
ld
DDR_com2,a
; Update DR and DR_2
ldi
a,#WINOFFSET(wave_dr)
add
a,LCD_Ph
ld
x,a
ld
a,DR_com_2
andi
a,COM_MASK
add
a,(x)
ld
DR_com_2,a
; Update OR
ldi
a,#WINOFFSET(wave_or)



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