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REV.-A
Pin No.
Signal Name
In/Out
Function
70
VL2
IN
LCD drive voltage
71
VL3
In
LCD drive voltage
72
VLG
In
Ground
73
VDD
In
+5V (Logic circuit voltage supply)
74
TEST
-
Unused.
75
E 1
In
Enable input (corresponding to Chip Select)
76
XECL
In
Enable transfer clock signal
77
S31
In
LCD drive segment output 31
78
S30
In
LCD drive segment output 30
79
S29
In
LCD drive segment output 29
80
S28
In
LCD drive segment output 28
7-43
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