Datasheet

DEM 40271 FGH-PW Product Specification
Version: 3 PAGE: 4
5. PIN ASSIGNMENT
Pin No. Symbol Function
1 VSS
Ground terminal of module.
2 VDD
Power terminal of module 5.0V.
3 V0
Power Supply for liquid crystal drive.
4 RS
Register select
RS = 0 (Instruction register)
RS = 1 (Data register)
5 R/W
Read /Write
R/W = 1 (Read)
R/W = 0 (Write)
6 E
Read/Write Enable Signal
7 DB0
Bi-
directional data bus, data transfer is performed once, thru DB0 to
DB7, in the case of interface data. Length is 8-
bits; and twice, thru DB4
to DB7 in the case of interface data length is 4-
bits. Upper four bits first
then lower four bits.
8 DB1
9 DB2
10 DB3
11 DB4
12 DB5
13 DB6
14 DB7
15 LED – (K)
Supply 5.0V for LED Backlight.
Please also refer to 6. PCB drawing
and description.
16 LED + (A)