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5-2. IC PIN FUNCTION (IC501)
¢ 1C501 GRAPHIC CONTROL (ASD042)
Ec A
aor eno
eel
Oe
eg es
REO. ON
cLKMG
ST (Se
DATAGH
let
paTAMG
|
Seis
=
Dae
a
PANEL 5
a oe
ed oe
KEY INI-4
| 1 | Key matrix input.
|
AVpD
|
|
;
AVREF
—}
ae
,
Vss
GND
2
12
13
14
15
16
17
20
21-24
25-28
29
30
31
Q
<
B
Ww NS
W Ww
} X'tal (S MHz).
ely
eee
Reale
eos
0 | LEDGrivesignal output,
LO NO
acer
ee
0 | ted aves
—SSSCSCS~—~—CSCSCSC"C~'"~s~*S
44.
| VOLINA
ae ae Volume encoder signal input.
4 6 _ _ | RDYMG
1 [ROY signaltommaserenot
——SSCCSCSCSCSC~C~S~S~*S
es
ee
Bom
oe
ed
ae
eer
ze
| oO
Ww
>
x
—
w Hr
Pad N
LEDS5-8
LED3, 4
LED1, 2
36-39
40, 41
42, 43
47
SIRCS IN
SIRCS signal input.
;
aoe
49, 50
LEDS12, 13
31
LEDS11
VpD
Not used. (Pull up)
LED drive signal output.
iw nN
53~70
71
' 72-75
76-80
SEG5S-22
V.LOAD
»
SEG1-4
GR8-12
;
FL segment signal output. .
~25V for FL
|
FL segment signal output.
:
FL grid signal output.
,
e Abbreviation
FL : FLUORESCENT INDICATOR TUBE
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