NJU6624 New Japan Radio Co., Ltd., NJU6624 Datasheet - Page 18

• Manufacturer Part Number: NJU6624
• Description: 12-character 1-line Dot Matrix LCD Controller Driver with Smooth Scroll Function
• Manufacturer: New Japan Radio Co., Ltd.

(g)Display Shift
(g)Display Shift
(h)Set Static Port
(h)Set Static Port
(i)Contrast Control
(i)Contrast Control
The
The Display
The contents of address counter(AC) does not change by operation of the display shift only.
The contents of address counter(AC) does not change by operation of the display shift only.
It sets Static Output Port signal which can drive LED directly
It sets Static Output Port signal which can drive LED directly like as indicator.
Contrast Control instruction which adjusts the contrast of the LCD,is executed when the code "1" is written into
Contrast Control instruction which adjusts the contrast of the LCD,is executed when the code "1" is written into
DB
DB
The contrast of LCD can be adjusted one of 16 voltage-stages by setting this 4-bit register.
The contrast of LCD can be adjusted one of 16 voltage-stages by setting this 4-bit register.
See (5-1) "how to adjust the Contrast of LCD".
See (5-1) "how to adjust the Contrast of LCD".
Set the binary code "0000" when contrast adjustment is unused.
Set the binary code "0000" when contrast adjustment is unused.
6 6
Display shift instruction shifts the
and the codes of C
and the codes of C
shift instruction shifts the Display
Code
Code
Code
DRL
0
1
D15 D14 D13 D12 D11 D10 D9
D15 D14 D13 D12 D11 D10 D9
D15 D14 D13 D12 D11 D10 D9
MS1 MS0
MS1 MS0
MS1 MS0
3 3
Shifts the whole display to the left and the cursor follows it.
Shifts the whole display to the right and the cursor follows it.
C
0
1
to C
to C
3
0 0
are written into DB
are written into DB
0
0
0
C
0
1
Display to the right or left without writing or reading display data.
0
0
0
2
1
1
1
to the right or left without writing or reading display data.
:
:
3 3
0
0
1
to DB
to DB
F u n c t i o n
C
0
1
0
1
1
1
0 0
as shown below.
as shown below.
D8
D8
D8
0
0
1
like as indicator. Initial status is ”L”.
D7
D7
D7
*
*
*
C
0
1
0
D6
D6
D6
*
*
*
D5
D5
D5
*
*
*
Initial status is ”L”.
h i g h
V
low
NJU6624A/B
NJU6624A/B
LCD
D4
D4
D4
*
*
*
D3
D3
P3
D3
C3
*
V V
LCD
LCD
D2
D2
P2
D2
C2
*
= V
= V
D1
D1
P1
D1
C1
*
LCD2
LCD2
DRL
- V
- V
D0
D0
P0
D0
C0
SS
SS