Datasheet

DEM 20487 FGH-PW Product Specification
Version: 7 PAGE: 4
5. PIN ASSIGNMENT
Pin No. Symbol Function
1 VSS
Ground terminal of module
2 VDD
Power supply of module 5V
3 V0 Power Supply for LCD
4 RS Register Select RS=0: Instruction Register; RS=1: Data Register
5 R/W Read / Write R/W=0: Read; R/W=1: Write
6 E Enable
7 DB0
8 DB1
9 DB2
10 DB3
11 DB4
12 DB5
13 DB6
14 DB7
Bi-directional data bus, data transfer is performed once, thru DB0~DB7,
in the case of interface data. Length is 8-
b
it; and twice, thru DB4~DB7
in the case of interface data length is 4-bits.
Upper four bits first then lower four bits.
15 LED-(K)
16 LED+(A)
Please also refer to 6.1 PCB drawing and description.
17 NC No connect
18 NC No connect
6. PCB DRAWING AND DESCRIPTION
6.1 PCB DRAWING
Note: The PCB drawing just for reference !! The”DEM20487” Print on the front side of PCB.