Read Panasonic CQ-C1021NE Service Manual online
10.2. Display Block
IC901 : YEAMLC75853NW
Pin No.
Port
Descriptions
I/O
(V)
(V)
(V)
1-35
SEG1-35
LCD segment
O
2.5
36-39
NC
No connection
-
-
40-43
COM1-4
LCD common
O
2.5
44-49
KS1-6
Key data output
O
0.9
50-54
KI1-5
Key data input
I
0
55
TEST
(Connecting to ground)
-
0
56
VDD
+5V power supply
-
5.1
57
VDD1
Ground through capacitor
-
3.3
58
VDD2
Ground through capacitor
-
1.7
59
Vss
Ground
-
0
60
OSC
CR oscillator
-
3.9
61
DO
Key data output
O
4.4
62
CE
Chip enable
I
0
63
CLK
LCD clock
I
0
64
DI
LCD data input
I
0
7
CQ-C1021NE
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