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ICM7231 Datasheet PDF : 16 Pages
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ICM7231, ICM7232
TABLE 2. ADDRESS DECODING (ICM7231 AND ICM7232)
ICM7232
ONLY
A3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
CODE INPUT
A2
A1
0
0
0
0
0
1
0
1
1
0
1
0
1
1
1
1
0
0
0
0
0
1
0
1
1
0
1
0
1
1
1
1
DISPLAY
OUTPUT
DIGIT
A0
SELECTED
0
D1
1
D2
0
D3
1
D4
0
D5
1
D6
0
D7
1
D8
0
D9
1
D10
0
NONE
1
NONE
0
NONE
1
NONE
0
NONE
1
NONE
SEGMENT LINES
SEGMENT LINE CONNECTIONS
BP1
BP2
an2
a
f
b
g
e
c
d
an1
BP3
BACKPLANE CONNECTIONS
FIGURE 13. ICM7231 AND ICM7232 DISPLAY FONTS (“A” AND
“B” SUFFIX VERSIONS
)
(NOTE 1)
SEGMENT LINES
TABLE 3. ANNUNClATOR DECODING
CODE
INPUT
DISPLAY OUTPUT
AN2
AN1
ICM7231A AND
ICM7231B
ICM7232A AND
ICM7232B
BOTH
ANNUNCIATORS
ON BP3
ICM7231C
ICM7232C
an2
ANNUNCIATOR
BP1
an1
ANNUNClATOR
BP3
0
0
0
1
1
0
1
1
SEGMENT LINE CONNECTIONS
SEGMENT LINES
BP1
(NOTE 1)
an2
BP2
a
f
b
g
e
c
d
an1
BP3
NOTE:
BACKPLANE CONNECTIONS
1. Annunciators can be: STOP , GO ,
, -arrows that
point to information printed around the display opening etc.,
whatever the designer display opening etc., whatever the de-
signer chooses to incorporate in the liquid crystal display.
FIGURE 14. ICM7231 DISPLAY FONTS (“C” SUFFIX VERSIONS)
Compatible Displays
Compatible displays are manufactured by: G.E. Displays
Inc., Beechwood, Ohio (216) 831-8100 (#356E3R99HJ)
Epson America Inc., Torrance CA
(Model Numbers LDB726/7/8).
Seiko Instruments USA Inc., Torrance CA
(Custom Displays)
Crystaloid, Hudson, OH
9-31
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