VL-FS-MGLS128128-35C REV. A
(MGLS128128-HT-HV-G-LED04G-SCH)
DEC/2005
PAGE 6 OF 12
3. Interface signals
Table 2
Pin No.
Symbol
Description
1
2
3
4
5
FGND
VSS
VDD
Frame Ground (see note 1)
Ground (0V)
Power supply for logic (+5V)
Power supply for LCD drive
Command/Data write to module when “L”
Command/Data read from module when “L”
Chip enable of controller when “L”
V0
______
WR
______
6
7
8
RD
_____
CE
C/D
Command/Data read /write.
“H” for command read/write and
“L” for data read/write.
_______
9
Controller reset when “L”
RST
10
11
12
13
14
15
16
17
18
19
20
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
FS
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.
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 ]
