NJU6624C New Japan Radio, NJU6624C Datasheet - Page 12

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

(4)Instructions
(4)Instructions
The NJU6624C incorporates two registers, an Instruction Register (IR) and a Data Register(DR).
The NJU6624C incorporates two registers, an Instruction Register (IR) and a Data Register(DR).
These two registers store control information temporarily to allow interface between NJU6624C and MPU or
These two registers store control information temporarily to allow interface between NJU6624C and MPU or
peripheral ICs operating different cycles.
peripheral ICs operating different cycles.
Note : f
Note : f
(m)
(a) Maker Testing
(b) Clear Display
(c) Return Home
(d) Entry Mode Set
(e) Display ON/OFF
(g) Display Shift
(h) Set Static Port
(k) Set DD/MK RAM
(n)
(f) Address Shift
(i) Contrast Control
(j)
(l) Set CG RAM
INSTRUCTION
Read Keyscan
Write DD RAM
Write MK RAM
Write CG RAM
Set Display
OSC
OSC
=145KHz. If the oscillation frequency is changed, the execution time is also changed.
=145KHz. If the oscillation frequency is changed, the execution time is also changed.
Address
Address
Control
Mode
Data
Data
Data
Data
D15 D14 D13 D12
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
Table 4. Table of Instructions
Table 4. Table of Instructions
D11 D10
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
CODE
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
Write data(DD RAM)
CG RAM(00 to FE)H
*
*
*
*
*
*
*
*
*
*
*
*
Test data
Key Data
DD RAM(00 to 0D)H
MK RAM(10 to 1D)H
Write data(MK RAM)
*
*
*
*
*
*
*
*
*
Write data(CGRAM)
P3 P2 P1 P0
*
*
*
*
*
*
*
E.V.R. Value
D
*
*
*
*
*
*
I/D
NJU6624C
NJU6624C
M
K
*
*
*
*
DRL
ARL
PD
S
B
*
*
234.48uS
41.38uS
41.38uS
41.38uS
Execute
Time
0uS
0uS
0uS
0uS
0uS
0uS
0uS
0uS
0uS
0uS
0uS
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