NJU6624A/B New Japan Radio Co., Ltd., NJU6624A/B Datasheet - Page 31

• Manufacturer Part Number: NJU6624A/B
• Description: 12-character 1-line Dot Matrix LCD Controller Driver With Smooth Scroll Function
• Manufacturer: New Japan Radio Co., Ltd.

- - The Input Condition when using the Hardware Reset Circuit
- - Power Supply Condition when using the internal initialization circuit
Since the internal initialization circuits will not operate normally unless the above conditions are met, in such a
Since the internal initialization circuits will not operate normally unless the above conditions are met, in such a
case initialize by instruction. (Refer to initialization by the instruction)
case initialize by instruction. (Refer to initialization by the instruction)
-Keyscan timing
-Keyscan timing
The Input Condition when using the Hardware Reset Circuit
Power Supply Condition when using the internal initialization circuit (Ta=25
RESET
RESET
VDD
VDD
Reset input "0" level width
Power supply OFF time
Power supply rise time
S0
S0
S1
S1
S7
S7
Keyscan palse width
P A R A M E T E R
P A R A M E T E R
P A R A M E T E R
Keyscan time
VLCD2/2
VLCD2/2
0.1ms < trDD < 5ms
0.1ms < trDD < 5ms
0.2V
0.2V
VLCD2/2
VLCD2/2
= =
VIL
VIL
trDD
trDD
= =
2.4V
2.4V
SYMBOL
SYMBOL
SYMBOL
t
t
t
t
t
OFF
OFF
rDD
rDD
RSL
tKP
tKP
tRSL
tRSL
0.2V
0.2V
fOSC=145kHz
CONDITION
CONDITION
CONDITION
-
-
-
-
tOFF > 1ms
tOFF > 1ms
tOFF
tOFF
= =
tKS
tKS
MIN
MIN
MIN
0.1
1.2
1
-
-
(Ta=25
0.2V
0.2V
TYP
TYP
27.6
TYP
221
-
-
-
o o
C) C)
MAX
MAX
MAX
(f (f
5
-
-
-
NJU6624A/B
NJU6624A/B
-
OSC
OSC
=145kHz)
=145kHz)
UNIT
UNIT
UNIT
ms
ms
ms
us
us
VLCD2/2
VLCD2/2