VL-FS-MGLS128128-19C REV. A
(MGLS128128-HT-HV-LED04)
MAY/2002
PAGE 7 OF 10
4. Electrical Specifications
4.1 Interface signals
Table 4
Pin No.
Symbol
FGND
VSS
VDD
V0
Description
1
2
3
4
5
6
7
8
Frame Ground (see note 1)
Ground(0V)
Power supply for logic (+5V)
Power supply for LCD drive
WR
RD
CE
C/D
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.
9
RST
DB00
DB01
DB02
DB03
DB04
DB05
DB06
DB07
FS
Controller reset when “L”
Data input/output (LSB)
Data input/output
Data input/output
Data input/output
Data input/output
Data input/output
Data input/output
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.
10
11
12
13
14
15
16
17
18
19
20
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 ]
