NJU6635 New Japan Radio Co.,Ltd, NJU6635 Datasheet - Page 5

• Manufacturer Part Number: NJU6635
• Description: 16-character 2-line Dot Matrix Lcd Controller Driver
• Manufacturer: New Japan Radio Co.,Ltd

TERMINAL DESCRIPTION
123 – 125,
126 – 133
134 – 137
43 – 122
A mode
10 – 14
26 – 23
19 – 22
32 – 39,
27 – 31,
40 – 42,
4 – 9
16
17
18
15
1,
2
3
PAD No.
133 – 126,
123 – 125,
134 – 137
122 – 43
B mode
10 – 14
26 – 23
19 – 22
27 – 31,
40 – 42,
39 – 32
4 – 9
16
17
18
15
1,
2
3
DB
DB
DUMMY
SYMBOL
V
DUMMY
V
COM
SEG
RESET
COM
2
SEG
OSC
OSC
DD
, V
R/W
7
3
RS
E
– DB
– DB
–
, V
3
1
, V
1
80
16
1
2
SS
–
–
15
5
1
4
0
I/O
I/O
I/O
O
O
O
O
–
–
I
I
I
I
I
Power Source : V
LCD driving Power Source
Oscillation Frequency Adjustment Terminals. Normally Open.
(Oscillation C and R are Incorporated, Osc Freq.=540kHZ)
Oscillation Frequency Adjustment Terminals. Normally Open.
This terminal also operates as the clock frequency monitor.
Resister selection signal Input
"0":Instruction Resister (Writing)
"1":Data Register (Writing / Reading)
"0":Write "1":Read
Read/write activation Signal Input
3-state Data Bus(Upper) to transfer the data between MPU and
NJU6635.
DB
3-state Data Bus(Lower) to transfer the data between MPU and
NJU6635.
LCD Common driving signal Terminals
LCD segment driving signal Terminals
Reset Terminal. When the “L” level Input over than 1.2ms to
this terminal, the system will be reset.(f
Dummy Terminal
These terminals are electrically open.
Read/Write selection signal Input
In serial and 4bit parallel mode, these terminals are not used
and should be open.
Busy Flag
7
is also used for the Busy Flag reading.
DD
= +5V, GND : V
F U N C T I O N
(Reading)
SS
= 0V
OSC
=540kHz)
NJU6635