Datasheet

DEM 16218 SGH Product Specification
VERSION: 2 PAGE: 4
4. BLOCK DIAGRAM
5. PIN ASSIGNMENT
Pin No. Symbol
Function
1 VSS Ground terminal of module
2 VDD Supply terminal of module 5.0 V(typ.)
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 Read/Write Enable Signal
7 DB0
Bi-directional data bus, data transfer is perf
ormed once, thru DB0 to
DB7, in the case of interface data. Length is 8-
bits; and twice, thru
DB4 to 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