NJU3430 NJR Corporation, NJU3430 Datasheet - Page 4

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

n n FUNCTION DESCRIPTION
(1)CG RAM data and Character Dot Matrix
(1)CG RAM data and Character Dot Matrix
program to display user’s original character pattern. The CG RAM stores 8 kinds of character by 5 x 7 dots maximum.
program to display user’s original character pattern. The CG RAM stores 8 kinds of character by 5 x 7 dots maximum.
to the DD RAM as shown in Table 2.
to the DD RAM as shown in Table 2.
* When the data is written to CG RAM successively, the invalid address is skipped automatically.
* When the data is written to CG RAM successively, the invalid address is skipped automatically.
FUNCTION DESCRIPTION
To display user’s original character pattern stored in the CG RAM, the address data (00)H - (07) should be written
To display user’s original character pattern stored in the CG RAM, the address data (00)H - (07) should be written
The character generator RAM (CG RAM) stores any kinds of character pattern by 5 x 7 dots written by the user
The character generator RAM (CG RAM) stores any kinds of character pattern by 5 x 7 dots written by the user
(Ex.)CG RAM Address : (06)
(Ex.)CG RAM Address : (06)
C h a r a c t e r
( D D R A M
C o d e
D a t a )
(00)
(01)
(07)
:
:
:
H
H
H
Table 1.Correspondence of CG RAM address, DD RAM character code
Table 1.Correspondence of CG RAM address, DD RAM character code
A C 5
0
0
1
A C 4
0
0
1
:
:
:
H H
After data writing operation
After data writing operation
C G R A M A d d r e s s
A C 3
0
1
1
A C 2
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
A C 1
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
CG RAM Address : (08)
CG RAM Address : (08)
:
:
:
and CG RAM character pattern(5 x 7 dots).
and CG RAM character pattern(5 x 7 dots).
A C 0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
C o r r e s p o n d e n c e o f C G R A M D a t a
S C 4
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
1 6
2 6
1 6
2 6
1 6
2 6
11
2 1
3 1
11
2 1
3 1
11
2 1
3 1
6
6
6
1
1
1
S C 3
a n d S E G T e r m i n a l
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
H H
Invalid Address
Invalid Address
Invalid Address
1 2
1 7
2 2
2 7
3 2
1 2
1 7
2 2
2 7
3 2
1 2
1 7
2 2
2 7
3 2
2
7
2
7
2
7
S C 2
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
NJU3430
NJU3430
1 3
1 8
2 3
2 8
3 3
1 3
1 8
2 3
2 8
3 3
:
:
:
1 3
1 8
2 3
2 8
3 3
3
8
3
8
3
8
S C 1
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
1 4
1 9
2 4
2 9
3 4
1 4
1 9
2 4
2 9
3 4
1 4
1 9
2 4
2 9
3 4
4
9
4
9
4
9
S C 0
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
1 0
1 5
2 0
2 5
3 0
3 5
1 0
1 5
2 0
2 5
3 0
3 5
1 0
1 5
2 0
2 5
3 0
3 5
5
5
5