[4]
Pin Description and Wiring Diagram
Pin No.
Symbol
External
Connection
Function Description
1 VSS Power Supply Ground
2 VDD Power Supply Power supply for logic (+5.0V)
3 V0 Adj Power Supply Power supply for contrast (approx. 0.5V)
4 RST MPU Active LOW Reset signal
5 E1 MPU Operation enable signal. Falling edge triggered, SEG (1~60)
6 E2 MPU Operation enable signal. Falling edge triggered, SEG (61~120)
7 R/W MPU Read/Write select signal, R/W=1: Read R/W: =0: Write
8 A0 MPU Register select signal. A0=0: Command, A0=1: Data
9-16 DB0-DB7 MPU This is an 8-bit bi-directional data bus
17 LED+ Power Supply Power supply for LED Backlight (+5.0V via on-board resistor)
18 LED- Power Supply Ground for Backlight
Recommended LCD connector:
2.54mm pitch pins
Backlight connector:
-
Mates with
: -