NJU6625 New Japan Radio Co.,Ltd, NJU6625 Datasheet - Page 25

• Manufacturer Part Number: NJU6625
• Description: Nju6625 12character 1-line Dot Matrix Lcd Controller Driver With Smooth Scroll Function
• Manufacturer: New Japan Radio Co.,Ltd

(4) LCD display
Ver.2008-03-21
(4-1) Bleeder Resistance
(4-2) Oscillation Circuit
generated by the E.V.R. and high impedance bleeder resistance.
determination of the each capacitance requires to operate with the LCD panel actually.
inputted through the OSC
Each LCD driving voltage ( V
The bleeder resistance is set 1/4 bias suitable for 1/8 duty ratio.
The capacitor connected between V
A resistor is connected to OSC
V
V
LCD1
LCD2
V
V
V
V
SS
1
2
4
Power supply
Preliminary
+
1
pin.
+
LCD Driving Voltage vs Duty Ratio
1
, V
Ｖ
1
NJU6625
LCD
pin to configure the oscillation circuit. External clock can also be
+
2
, V
Duty Ratio
LCD2
3
, V
Bias
+
4
/ V
) is LCD driving high voltage input to the V
OSC
1
/ V
2
1
/ V
4
and V
6.6KΩ
4KΩ
4KΩ
4KΩ
4KΩ
Internal NJU6625
V
E.V.R (16 Step)
LCD2
1/8
1/4
SS
- V
VDD
is needed for stabilizing V
SS
430k
(145kHz TYP.)
V
V
V
V
V
LCD
1
2
4
SS
(V
3
)
V
for LCD driving voltage.
LCD
is the maximum amplitude
V
NJU6625
LCD
LCD1
terminal,
LCD
. The
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