LCD Module Specification Lx-12864P1
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P
5
of
23
PIN NO. Symbol Level Description
1 CS H/L Chip select.
2 RES H/L Reset pin.
3 A0 H/L A0=“H”: data. A0=“L”: Instruction command.
4
------------------------------
5
DB7(SI)
6 VDD --- Power supply.
7 VSS --- Ground.
8 VOUT --- Negative power for LCD.
9 C3+ ---
DC/DC voltage converter. Connect a capacitor between this
terminal and the CAP2N terminal.
10 C1+ ---
DC/DC voltage converter. Connect a capacitor between this
terminal and the CAP1N terminal.
11 C1-
DC/DC voltage converter. Connect a capacitor between this
terminal and the CAP1P terminal.
12 C2+
DC/DC voltage converter. Connect a capacitor between this
terminal and the CAP1N terminal. Reset signal.
13 C2-
DC/DC voltage converter. Connect a capacitor between this
terminal and the CAP2N terminal.
14~17 V1~V4 --- This is a multi-level power supply for the liquid crystal drive.
18 V0 --- Contrast adjustment input.
29 VSS Ground.
20 VDD Power supply.
4. ABSOLUTE MAXIMUM RATINGS
(1)Electrical Absolute Ratings
Item Symbol Min. Max. Unit Note
Power Supply for Logic V
DD
-V
SS
0 3.47 Volt Note 1
Power Supply for LCD V
LCD
0 13.0 Volt
Input Voltage V
I
0 V
DD
Volt
Note 1 : Operator should be grounded during handling LCM
(2)Environmental Absolute Maximum Ratings