VL-FS-MGLS128128-54C REV. A
(MGLS128128-HT-HV-G-LED03G-12)
AUG/2005
PAGE 7 OF 12
4. Electrical Specifications
4.1. Interface signals
Table 4
Pin No.
Symbol
FGND
VSS
Description
1
2
3
4
5
6
7
8
Frame Ground (see note 1)
Ground (0V)
VDD
Power supply for logic (+5V)
Power supply for LCD drive
V0
______
Command/Data write to module when “L”
Command/Data read from module when “L”
Chip enable of controller when “L”
Command/Data read /write.
“H” for command read/write and
“L” for data read/write.
WR
______
RD
_____
CE
C/D
_______
9
Controller reset when “L”
RST
10
11
12
13
14
15
16
17
18
19
20
DB0
DB1
Data input/output (LSB)
Data input/output
DB2
Data input/output
DB3
Data input/output
DB4
Data input/output
DB5
Data input/output
DB6
Data input/output
DB7
Data input/output (MSB)
Font select. “H” for 6 x 8 font & “L” for 8 x 8 font
Anode of LED backlight.
Cathode of LED backlight.
FS
LED+(A)
LED-(K)
Note 1: This pin is electrically connected to the metal bezel (frame).
User can choose to connect this pin to VSS or leave it open.
VARITRONIX [ VARITRONIX INTERNATIONAL LIMITED ]
