Datasheet

DEM 20486 SYH-LY Product Specification

Version: 1 PAGE: 4

5. PIN ASSIGNMENT

Pin No. Symbol

Function

1 VSS Ground terminal of module

2 VDD Supply terminal of module +5 V

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 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-

its; 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

6. PCB DRAWING AND APPLICATION

6.1 PCB Drawing And Description

Note: on application module, R1~R5=1kΩ, R6=91kΩ