NT3881DF 데이터 시트보기 (PDF) - Novatek Microelectronics

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NT3881DF

Dot matrix LCD controller and driver / QFP 80L Package

Novatek Microelectronics 

NT3881D

Instruction Set

Instruction

Code

Function

RS RW DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0

Display Clear 0 0

0

0

0

0

0

0

0

Display/

Cursor Home 0 0

0

0

0

0

0

0

1

Entry Mode

Set

00

0

0

0

0

0

1 I/D

Display

ON/OFF

00

0

0

0

0

1

D

C

Display/

00

0

0

0

1 S/C R/L *

Cursor Shift

Function Set 0 0

0

0

1 DL N

F

*

RAM

00

0

1

Address Set

ACG

DD RAM

00

1

Address Set

ADD

Busy Flag/

Address

Counter

0 1 BF

AC

Read

CG RAM/

DD RAM

Data Write

10

Write data

CG RAM/

DD RAM

Data Read

11

Read data

Note 1: Symbol "*" signifies an insignificant bit (disregard).

Note 2: Correct input value for "N" is predetermined for each model.

Clear entire display area,

1 restore display from shift, and

load address counter with DD

RAM address 00H.

Restore display from shift and

* load address counter with DD

RAM address 00H.

Specify direction of cursor

movement and display shift

S mode. This operation takes

place after each data transfer

(read/write).

Specify activation of display

B (D) cursor (C) and blinking of

character at cursor position

(B).

* Shift display or move cursor.

Set interface data length (DL),

* number of display line (N), and

character font (F).

Load the address counter with

a CG RAM address.

Subsequent data access is for

CG RAM data.

Load the address counter with

a DD RAM address.

Subsequent data access is for

DD RAM data.

Read Busy Flag (BF) and

contents of Address Counter

(AC).

Write data to CG RAM or DD

RAM.

Read data from CG RAM or

DD RAM.

Execution

time (max)

(fOSC =

250KHz)

1.64ms

1.64ms

40µs

40µs

40µs

40µs

40µs

40µs

0µs

40µs

40µs

16

V2.4

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