Datasheet

DEM 16217 SBH-PW-N Product Specification

Version:2.1.2 PAGE:

4. BLOCK DIAGRAM

VSS

VDD

R/W

DB0~DB7

ST7066U-0A

COM1~1

LCD PANEL

2LineX16Characters

SEG0~40

SEG41~80

ST7065C

B/L

5. PIN ASSIGNMENT

Pin No. Symbol Function

1 VSS Ground

2 VDD Power supply for logic.

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-bits. Upper four bits first then lower

four bits.

L- LED- (K)

Please also refer to 6.1 PCB drawing and description.

L+ LED+ (A)

Please also refer to 6.1 PCB drawing and description.