NJU3430 NJR Corporation, NJU3430 Datasheet - Page 12

• Manufacturer Part Number: NJU3430
• Description: 16-Character 1-Line Dot Matrix VFD Contorller Driver
• Manufacturer: NJR Corporation

n n Interface with MPU
n n ABSOLUTE MAXIMUM RATINGS
Interface with MPU
[For example]
ABSOLUTE MAXIMUM RATINGS
CS
CLK
RS
SI
DD RAM writing
is performed by synchronizing clock. The shift clock is input from external, and the data is loaded at the rising
is performed by synchronizing clock. The shift clock is input from external, and the data is loaded at the rising
edge of the shift clock.
edge of the shift clock.
external. Therefore, when the rising edge of the CS signal is input, the operation is started. When more than 8-bit
external. Therefore, when the rising edge of the CS signal is input, the operation is started. When more than 8-bit
data is input, the last 8-bit data is valid.
data is input, the last 8-bit data is valid.
: RAM data, RS=”L” : Instruction). When the input data is RAM data, the RAM address is increased one by one
: RAM data, RS=”L” : Instruction). When the input data is RAM data, the RAM address is increased one by one
automatically after data writing.
automatically after data writing.
Note 1) If the LSI are used on condition above the absolute maximum ratings, the LSI may be destroyed. Using the
Note 1) If the LSI are used on condition above the absolute maximum ratings, the LSI may be destroyed. Using the
Note 2) Decoupling capacitor should be connected between V
Note 2) Decoupling capacitor should be connected between V
Note 3) All voltage values are specified as V
Note 3) All voltage values are specified as V
S u p p l y V o l t a g e ( 1 )
S u p p l y V o l t a g e ( 2 )
I n p u t V o l t a g e
P o w e r D i s s i p a t i o n
S t o r a g e T e m p e r a t u r e
O p e r a t i n g
O u t p u t C u r r e n t
T e m p e r a t u r e
T o t a l O u t p u t C u r r e n t
The instruction and RAM data are input through the serial port. The data form is 8-bit per word, and data transfer
The instruction and RAM data are input through the serial port. The data form is 8-bit per word, and data transfer
The input data is judged as instruction or RAM data by the RS signal at the rising edge of the CS signal (RS=”H”
The input data is judged as instruction or RAM data by the RS signal at the rising edge of the CS signal (RS=”H”
P A R A M E T E R
One time transfer is executed by 8-bit unit. The transfer period is from falling edge to rising of the CS signal from
One time transfer is executed by 8-bit unit. The transfer period is from falling edge to rising of the CS signal from
LSI within electrical characteristics is strongly recommended for normal operation. Use beyond the
LSI within electrical characteristics is strongly recommended for normal operation. Use beyond the
electric characteristics conditions will cause malfunction and poor reliability.
electric characteristics conditions will cause malfunction and poor reliability.
operation for the LSI.
operation for the LSI.
The relation : V
The relation : V
MSB
B7 B6 B5 B4 B3 B2 B1 B0
(Instruction)
Select the Address
1Byte
DD
DD
S Y M B O L
> V
> V
V
V
T
T
V
P
I
I
I
I
F D P
O 1
O 2
O 3
O 4
I
o p r
I
D D
stg
OH
O L
IN
D
SS
SS
, V
, V
LSB
DD
DD
> V
> V
MSB
B7 B6 B5 B4 B3 B2 B1 B0
SS
SS
- 0 . 3 t o V
- 4 0 t o V
R A T I N G S
SS
SS
- 5 5 t o 1 2 5
- 0 . 3 t o 6 . 5
- 4 0 t o 8 5
Character Code Data
V V
= 0V.
= 0V.
- 1 0 0
FDP
FDP
8 0 0
-4.0
- 4 0
- 2 0
- 1 0
1 0 0
D D
D D
, V
, V
2Byte
(Data)
+ 0 . 3
+ 0 . 3
SS
SS
=0V must be maintained.
=0V must be maintained.
DD
DD
and V
and V
LSB
UNIT
m W
m A
m A
m A
m A
m A
m A
°C
°C
V
V
V
SS
SS
MSB
Character Code Data
B7 B6 B5 B4 B3 B2 B1 B0
, V
, V
FDP
FDP
P
A l l T e r m i n a l s a t " H " l e v e l
A l l T e r m i n a l s a t " L " l e v e l
1
and V
and V
( L E D d r i v e i s a v a i l a b l e )
C O N D I T I O N S
Ta 2 5 ° C
of the Next Address
(Data)
3Byte
SS
SS
M K
S
T
NJU3430
NJU3430
1
1
due to the stabilized
due to the stabilized
1
- T
- S
- M K
Q F P - 6 4
1 6
3 5
2
LSB