Datasheet

DEM 16217 SYH Product Specification

Version: 2 PAGE: 4

5. PIN ASSIGNMENT

Pin No. Symbol Function

1 VSS Ground terminal of module.

2 VDD Supply terminal of module 2.7V to 5.5V(option 5.0V).

3 V0 Power Supply for liquid crystal drive.

4 RS

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 to

DB7, in the case of interface data. Length is 8-

its; and twice, thru

DB4 to DB7 in the case of interface data length is 4-

its. Upper four

bits first then lower four bits.

L- LED – (K)

L+ LED + (A)

No Connect

6. PCB DRAWING AND DESCRIPTION

PCB Drawing

DESCRIPTION:

6-1-1. The metal-bezel should be on ground when the J1 is close.

Note: In application module, J1=0 Ω

6-1-2. The mounting-holes should be on ground when the J7 is close.

Note: In application module, J7=0 Ω