NJU6624CFG1 데이터 시트보기 (PDF) - Japan Radio Corporation

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NJU6624CFG1

14-CHARACTER 1-LINE DOT MATRIX LCD CONTROLLER DRIVER with SMOOTH SCROLL FUNCTION

Japan Radio Corporation  

NJU6624C

(4)Instructions

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

peripheral ICs operating different cycles.

INSTRUCTION

Table 4. Table of Instructions

CODE

Execute

D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 Time

(a) Maker Testing

100 11111

Test data

-

(b) Clear Display

1 0 0 1 1 0 0 1 * * * * * * * * 234.48uS

(c) Return Home

100 1000 1* * * * * * * *

0uS

(d) Entry Mode Set 1 0 0 0 1 0 0 0 * * * * * * I/D S 0uS

(e)

Display ON/OFF

Control

100

0

10

0

1*

*

*

*

*

DMB

0uS

(f) Address Shift

1 0 0 1 0 0 1 0 * * * * * * * ARL 0uS

(g) Display Shift

1 0 0 0 1 0 1 0 * * * * * * * DRL 0uS

(h) Set Static Port

1 0 0 0 1 0 1 1 * * * * P3 P2 P1 P0 0uS

(i) Contrast Control 1 0 0 0 1 1 0 0 * * * * E.V.R. Value

0uS

(j)

Set Display

Mode

1 0 0 0 1 1 1 0 * * * * * * K PD

0uS

(k)

Set DD/MK RAM

Address

100

100

1

1*

*

*

DD RAM(00 to 0D)H

MK RAM(10 to 1D)H

0uS

(l)

Set CG RAM

Address

100

100 0 0

CG RAM(00 to FE)H

0uS

Write DD RAM

Data

(m)

Write MK RAM

Data

Write CG RAM

Data

100 1 10 0 0

Write data(DD RAM)

41.38uS

1 0 0 1 1 0 0 0 * * * Write data(MK RAM) 41.38uS

1 0 0 1 1 0 0 0 * * * Write data(CGRAM) 41.38uS

(n)

Read Keyscan

Data

10 10 0 1 1 1

Key Data

0uS

Note : fOSC=145KHz. If the oscillation frequency is changed, the execution time is also changed.

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