VL-FS-MGLS12864T-20 REV. B
(MGLS12864T-LED04-LV2)
APR/2004
PAGE 7 OF 11
3. Interface signals
Table 2
Pin No. Symbol
Description
1
2
3
4
5
6
7
FG
VSS
VDD
V0
/WR
/RD
/CE
Frame ground (see note 1).
Ground (0V).
Power supply for logic (+5V).
Power supply for LCD drive
Data Write. Write data into T6963C when /WR=“Low”.
Data Read. Read data from T6963C when /RD=“Low”.
Chip enable for T6963C.
/CE must be “Low” when CPU communicates with T6963C.
8
9
C / D
/RST
/WR = “Low” …..C/D=”High”: Command Write C/D=”Low”: Data Write.
/RD = “Low” ….. C/D=”High”: Status Read
C/D=”Low”: Data Read.
“High”: Normal (T6963C has internal pull-up resistor).
“Low”: Initialize T6963C. Text and graphic have addresses and text and graphic
area settings are retained.
Data input/output (LSB).
Data input/output.
Data input/output.
Data input/output.
Data input/output.
Data input/output.
10
11
12
13
14
15
16
17
18
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
FS
Data input/output.
Data input/output (MSB).
Font select.
“High” for 6 x 8 font &
“Low” for 8 x 8 font.
-
-
A
K
Anode of backlight
Cathode of backlight
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.
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