NJU6624C New Japan Radio, NJU6624C Datasheet - Page 2

• Manufacturer Part Number: NJU6624C
• Description: 14-CHARACTER 1-LINE DOT MATRIX LCD CONTROLLER DRIVER with SMOOTH SCROLL FUNCTION
• Manufacturer: New Japan Radio

g g PIN CONFIGURATION
g g BLOCK DIAGRAM
PIN CONFIGURATION
BLOCK DIAGRAM
R E SE T
V LCD1
0 S C 1
D AT A
SC L
R E Q
CS
V
SEG1/S0
SEG2/S1
SEG3/S2
SEG4/S3
SEG5/S4
SEG6/S5
SEG7/S6
SEG8/S7
S S
RESET
VLCD1
OSC1
DATA
VDD
REQ
VSS
SCL
V LCD2
CS
P0
P1
P2
P3
K0
K1
K2
K3
V LCD
P o w e r O n R e se t
CR OSC Circuit
R B
Reset
V
1
1
R B
(V
V
2
3
)
R B
V
4
R B
V
S S
Icon Display
NJU6624CFG1
In stru ctio n
(MK RAM)
12x5bits
RAM
D i spla y
D e co de r(ID )
Data RAM
Character
1 4 x8b its
5x7x32bits
Generator
(CG RAM)
RAM
(DD RAM)
Ad d re s s
Character
7
Generator
(CG ROM)
,
840bits
C o u n te r
ROM
LED port
Register
Key scan Circuit
Timing
NJU6624C
NJU6624C
SEG58
SEG57
SEG56
SEG55
SEG54
SEG53
SEG52
SEG51
SEG50
SEG49
SEG48
SEG47
SEG46
SEG45
SEG44
SEG43
SEG42
SEG41
SEG40
SEG39
SEG38
SEG37
SEG36
SEG35
SEG34
Gen.
Output
Buffer
C O M 1
to C O M7
K 0 to K3
P 0 to P3
to S EG
/C OM MK
S E G
1
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