Datasheet
DEM 20486 FGH-PW    Product Specification         
Version: 2    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 or 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-bits; 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)  Place also refer to 6.1 PCB Drawing and description   
16  LED-(A)  Place also refer to 6.1 PCB Drawing and description   










