No.
6
5
7
NJU6676
PRELIMINARY
Symbol
CL
FR
DOF
Description
Display clock input/output terminal.
The following is true depending on the M/S and CLS status.
M/S
CLS
CL
“H”
“H”
“L”
Output
Input
“L”
*
Input
*:Don’t Care
LCD alternating current signal I/O terminal.
M/S = ”H” : Output
M/S = ”L” : Input
LCD Display blanking control terminal.
M/S = ”H” : Display “On” = “H”, Display “Off” = “L”
M/S = ”L” : External control. Refer to the following table.
Command
DOF
H
L
Display On”
On
Off
Display Off”
Off
Off
4
FRS
LCD Drivers
No. Symbol
77
C31∼C0
∼108
111
∼242
S0∼S131
The output terminal for the static drive.
This terminal is used in conjunction with the FR terminal.
Description
LCD driving signal output terminals.
-Segment output terminals : S0 ∼ S131
-Common output terminal : C0 ∼ C63
Segment output terminal
The following output voltages are selected by the combination of FR and
data in the RAM.
RAM
Data
FR
Output Voltage
Normal
Reverse
H
H
L
VDD
V5
V2
V3
L
H
L
V2
V3
VDD
V5
244
∼275
C32∼C63
Common output terminal
The following output voltages are selected by the combination of FR and
status of common.
Scan
Data
FR
Output Voltage
H
H
L
V5
VDD
L
H
L
V1
V4
109,
COMM COM output terminals for the indicator. Both terminals output the same
276
signal.
Leave these open if they are not used.
(Terminals 1,76,110,243 are Dummy Pad)