NJU6625 New Japan Radio Co.,Ltd, NJU6625 Datasheet - Page 15

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

(3) Instructions
Ver.2008-03-21
peripheral ICs operating different cycles.
(m)
(a)
(b)
(c)
(d)
(e)
(g)
(h)
(k)
(n)
(o)
*1
(f)
(i)
(j)
(l)
The NJU6625 incorporates two registers, an Instruction Register (IR) and a Data Register (DR).
These two registers store control information temporarily to allow interface between NJU6625 and MPU or
f
OSC
Instruction
Maker Testing
Clear Display
Return Home
Entry Mode Set
Display ON/OFF
Control
Address Shift
Display Shift
Set Static Port
Contrast Control
Dot Shift
Set Display
Mode
Set DD/MK RAM
Address
Set CG RAM
Address
Write DD RAM
Data
Write MK RAM
Data
Write CG RAM
Data
Read Keyscan
Data
=145KHz. If the oscillation frequency is changed, the execution time is also changed.
D
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
15
Preliminary
D
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
D
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
13
D
Table 4. Table of Instructions
1
1
1
0
0
1
0
0
0
0
0
1
1
1
1
1
0
12
D
1
1
0
1
1
0
1
1
1
1
1
0
0
1
1
1
0
11
D
1
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
1
10
D
1
0
0
0
0
1
1
1
0
0
1
1
0
0
0
0
1
9
D
1
1
1
0
1
0
0
1
0
1
0
1
0
0
0
0
1
8
Code
D
*
*
*
*
*
*
*
*
*
*
*
*
*
7
D
*
*
*
*
*
*
*
*
*
*
*
*
*
6
Write Data (DD RAM)
CG RAM (00 to FE)
D
*
*
*
*
*
*
*
*
*
*
*
*
*
5
D
Test Data
*
*
*
*
*
Key Data
*
*
*
*
*
4
DD RAM (00 to 0D)
MK RAM (10 to 1D)
P3
D
*
*
*
*
*
*
*
*
3
Write Data
Write Data
(MK RAM)
(CG RAM)
E.V.R Value
P2
D
D
*
*
*
*
*
*
2
Number of
Dot Shift
H
P1
D
I/D
M
*
*
*
K
*
1
NJU6625
ARL
DRL
PD
P0
D
S
B
H
H
*
*
0
Execute Time
234.48us
41.38us
41.38us
41.38us
0us
0us
0us
0us
0us
0us
0us
0us
0us
0us
0us
0us
*1
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