NJU6625 New Japan Radio Co.,Ltd, NJU6625 Datasheet - Page 2

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

NJU6625
¢ PIN CONFIGURATION
¢ BLOCK DIAGRAM
- 2 -
REQ
SCL
CSb
DATA
RESETb
V
1
OSC
LCD1
V
SS
V
V
LCD2
LCD
S E G 1 / S 0
S E G 2 / S 1
S E G 3 / S 2
S E G 4 / S 3
S E G 5 / S 4
S E G 6 / S 5
S E G 7 / S 6
S E G 8 / S 7
RB
R E S E T
V L C D 1
Power On Reset
O S C 1
D A T A
R E Q
CR osc. circuit
V D D
S C L
V S S
C S
P 0
P 1
P 2
P 3
K 0
K 1
K 2
K 3
V
Reset
1
RB
V
2
(V
1
RB
3
2
D
C
L
V
G 9
E
S
)
1
V
Prelimina ry
1 0
G
E
S
V
2
V
1 1
G
E
S
4
RB
4
V
1 2
G
E
S
K
M
M
O
C
1 3
G
E
S
V
7
M
O
C
1 4
G
E
S
SS
6
M
O
C
1 5
G
E
S
5
M
O
C
1 6
G
E
S
RAM(MKRAM)
N J U 6 6 2 4 A / B F G 1
NJU6625FG1
Icon Display
4
M
O
C
1 7
G
E
S
12x5-bits
3
M
O
C
1 8
G
E
S
2
M
O
C
1 9
G
E
S
Decoder(ID)
Instruction
1
M
O
C
2 0
G
E
S
Display Data RAM (DD RAM)
1
7
G
E
S
2 1
G
E
S
0
7
G
E
S
2 2
G
E
S
9
6
G
E
S
2 3
G
E
S
8
6
G
E
S
2 4
G
E
S
Character
Generator
RAM
(CG RAM)
5x7x32-bits
7
6
G
E
S
2 5
G
E
S
14x8bits
6
6
G
E
S
2 6
G
E
S
5
6
G
E
S
2 7
G
E
S
4
6
G
E
S
2 8
G
E
S
3
6
G
E
S
2 9
G
E
S
2
6
G
E
S
3 0
G
E
S
Address
Counter
1
6
G
E
S
3 1
G
E
S
0
6
G
E
S
3 2
G
E
S
Character
Generator
ROM
(CG ROM)
7,840-Bits
9
5
G
E
S
3 3
G
E
S
LED Port
Register
S E G 5 8
S E G 5 7
S E G 5 6
S E G 5 5
S E G 5 4
S E G 5 3
S E G 5 2
S E G 5 1
S E G 5 0
S E G 4 9
S E G 4 8
S E G 4 7
S E G 4 6
S E G 4 5
S E G 4 4
S E G 4 3
S E G 4 2
S E G 4 1
S E G 4 0
S E G 3 9
S E G 3 8
S E G 3 7
S E G 3 6
S E G 3 5
S E G 3 4
Keyscan circuit
Timing
Generator
Output
Buffer
Ver.2008-03-21
K
P
COM
- COM
/COMMK
SEG
- SEG
0
0
- K
- P
3
3
1
1
71
7