Datasheet

DEM 20487 SYH-LY Product Specification
Version: 3.1.3 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=1: Read; R/W=0: Write
6 E Enable
7 DB0
Bi-
directional data bus, data transfer is performed once, thru DB0~DB7,
in the case of interface data. Length is 8-
bit; and twice, thru DB4~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)
Please also refer to 6.1 PCB drawing and description.
16 LED+(A)
6. PCB DRAWING AND DESCRIPTION
Note: The part no. DEM 20487 is printed on the PCB.