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REV.-A
Pin No.
Signal Name
In/Out
Function
70
VR2
In
LCD drive voltage
71
VL2
In
LCD drive voltage
72
VL 1
In
LCD drive voltage
73
VLG
In
Ground
74
VDD
In
+5V (Logic circuit voltage supply)
75
YSPU
In
Low impedance drive input - Normally high.
When low, the externally connected resistor
parallels the internal impedance, lowering the
total impedance through which the line can
be driven at the divided LCD voltages (VL 1 -
5).
76
YDIN
In
Serial data input
77
YSCL
In
Transmission clock input
78
YDIS
In
Display control input
79
FR
In
Frame signal
80
LP
In
Latch pulse
7-49
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