NJU6635 New Japan Radio Co.,Ltd, NJU6635 Datasheet - Page 14

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

d) Entry Mode Set
e) Display ON/OFF Control
executed when the code “1” is written into DB
(I/D) and DB
RAM writing.
cursor position character blink, is executed when the code “1” is written into DB
(D), (C) and (B) are written into DB
Code
Code
Entry mode set instruction which sets cursor moving direction and display shift On/Off, is
(I/D) sets the address increment or decrement, and the (S) sets the entire display shift in the DD
Display On/Off control instruction which controls the display On/Off, the cursor On/Off and the
I/D
D
C
0
1
S
1
0
1
0
1
0
B
1
0
RS
RS
0
0
0
(S) as shown below.
Address increment : The address of the DD RAM increment ( +1) when
the read/write, and the cursor or blink moves to the right.
Address decrement : The address of the DD or CG RAM decrement
( -1) when the read/write, and the cursor or blink move to the left.
Entire display shift.
The shift direction is determined by I/D: shift to the left at I/D=1 and shift
to the right at the I/D=0. The shift is operated with only the character, so
that it looks as if the cursor stands still and the display moves. The
display does not shift when reading from the DD RAM and
writing/reading into/from CG RAM.
The display does not shifting
Display On.
Display Off. In this mode, the display data remains in the DD RAM so
that it is retrieved immediately on the display when the D change to 1.
Cursor On. The cursor is displayed by 5 dots on the 8th line.
Cursor Off. Even if the display data write, the I/D etc does not change.
The cursor position character is blinking. Blinking rate is 303.4ms at
f
all black) and characters display. The cursor and the blink can be
displayed simultaneously.
The character does not blink.
R/W
R/W
OSC
0
0
=540kHz. The blink is displayed alternatively with all on (it means
DB
DB
0
0
7
7
DB
DB
0
0
6
6
2
(D), DB
DB
DB
0
0
5
5
1
DB
DB
(C) and DB0(B) as shown below.
0
0
FUNCTION
FUNCTION
FUNCTION
FUNCTION
FUNCTION
4
4
2
and the codes of (I/D) and (S) are written into DB
DB
DB
0
1
3
3
DB
DB
D
1
2
2
DB
DB
I/D
C
1
1
DB
DB
S
B
0
0
NJU6635
3
and the codes of
1