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IC, LC75817W-8720
Pin No.
Pin Name
1-56
S1-S56
57-59
S57-S59(NC)
60
S60/COM10(NC)
61
COM9
62-69
COM8-COM1
70
KS1(NC)
71
KS2(NC)
72-75
KS3-KS6
76-80
KI1-KI5
81
P1
82-84
P2-P4
85
VDD
86
VLCD
87-91
VLCD0-VLCD5
92
VSS
93
TEST
94-95
OSCO, OSCI
________
96
INH
97
DO
98
CE
99
CL
100
DI
I/O
O
LCD segments output.
O
LCD segments output (Not used).
O
LCD segments output/LCD common driver outputs (Not used).
O
LCD common driver outputs (Not used).
O
LCD common drivers output.
O
Key scan output (Not used).
O
Key scan output (Not used).
O
Key scan outputs.
I
Key scan inputs.
O
LED control.
—
Not connected.
—
VDD.
—
LCD VDD.
—
LCD VDD.
—
GND.
—
Connected to GND.
O/I
Oscillator.
—
Connected to VDD.
O
Communication; data output.
I
Communication; chip enable.
I/O
Communication; sync clock.
I
Communication; data transferred.
Description
-22-
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