Panasonic CQ-5109U Service Manual page 7

Pin. PORT
No.
36 S36 Segment outputs.
37 S37 Segment outputs.
38 S38 Segment outputs.
39 COM4 Common driver outputs.
40 COM3 Common driver outputs.
41 COM2 Common driver outputs.
42 COM1 Common driver outputs.
43 S40 Segment outputs.
44 KS2 Key scan outputs.
45 KS3 Key scan outputs.
46 KS4 Key scan outputs.
47 KS5 Key scan outputs.
48 KS6 Key scan outputs.
49 KI1 Key scan inputs.
50 KI2 Key scan inputs.
51 KI3 Key scan inputs.
52 KI4 Key scan inputs.
53 KI5 Key scan inputs.
54 VDD Logic block power supply.
55 VLCD LCD driver block power supply.
56 VLCD1 LCD drive bias voltage.
57 VLCD2 LCD drive bias voltage.
58 VSS Ground.
59 TEST Must be connected to ground.
60 OSC Oscillator circuit port.
61 DO Output data.
62 CE Chip enable.
63 CL Synchronization clock.
64 DI Transfer data.
Description I/O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
I
-
-
-
-
-
I
I/O
O
I
I
I
(V)
2.58
2.58
2.58
2.58
2.58
2.58
2.58
2.58
5.17
5.17
5.17
5.17
5.17
0.1
0
0
0
0
3.3
5.18
3.4
1.72
0
0
2.3
3.3
0
2.7
2.6
7