Pin no.
Symbol
Function
1
NC
NC PIN
2
3
CS0
Chip select pin. Chip is selected when CS0=L. When chip is not selected, D[0:7] will be in high impedance.
4
RST
External reset pin, low active. If RST not used, connect to VDD
5
CD
Display/control data select “H”:display data ; “L”:control data
6
SCK
Serial clock input pin
7
SDA
Serial data input pin
8
VDD
Power supply, +3.3V.
9
VSS
Power supply, 0V.
10
VB0+
LCD bias voltage is generated internally. Connect 1uF capacitors between VB0+ and VB0-.
11
VB0-
12
VB1-
LCD bias voltage is generated internally. Connect 1uF capacitors between VB1-and VB1+.
13
VB1+
14
VLCD
Internal DC/DC converter output voltage pin. Connect a 1uF capacitor between this pin and VSS for voltage de-coupling