User Manual

LCD12864-COG
1.4 Terminal Function
Pin No. Pin Name Function
28
VDD Power supply voltage (Positive)
27
P/S
26
C86 MPU interface selection pin
21~25
V0,V1,V2,V3,V4 LCD driving voltages.
16-20
C2-,C2+,C1+,C1-,C3+
When internal DC-DC voltage converter is used, external
capacitor is connected between these pins.
15
VOUT
positive voltage supply pin of the chip.
14
VSS
Negative power supply,0V
6-13
D0-D7 8bit Date bus
5
/RD
Read (/RD ) control signal input.
4
/WR
Write (/WR ) control signal input.
3
A0
Data/Command control
2
/RES Reset
1
/CS1 chip selection input
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