NJU6676CH 데이터 시트보기 (PDF) - Japan Radio Corporation

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NJU6676CH

64-Common X 132-Segment plus 1-Icon Bit Map Type LCD Controller and Driver

Japan Radio Corporation  

NJU6676

PRELIMINARY

3-6) Display data write

This instruction writes display data into the selected column address on the DDRAM.

The column address automatically increments (+1) whenever the display data is written by this

instruction, so that this instruction can be continuously issued without “column address set”

instruction.

A0 RD WR D7 D6 D5 D4 D3 D2 D1 D0

1

1

0

Write Data

3-7) Display data read

This instruction reads out the display data stored in the selected column address on the DDRAM.

The column address automatically increments (+1) whenever the display data is read out by this

instruction, so that this instruction can be continuously issued without “column address set”

instruction.

After the ”column address set” instruction, a dummy read will be required, please refer to the (5-4).

In case of using serial interface mode, this instruction can’t be used.

A0 RD WR D7 D6 D5 D4 D3 D2 D1 D0

1

0

1

Read Data

3-8) ADC select

This instruction selects segment driver direction.

The correspondence between the column address and segment driver direction is shown in Fig.1.

A0 RD WR D7 D6 D5 D4 D3 D2 D1 D0

0

1

0

1

0

1

0

0

0

0

0

1

Segment driver direction

Normal

Inverse

3-9) Inverse display On/Off

This instruction inverses the status of turn-on or turn-off of entire LCD pixels. It doesn’t change the

contents of the DDRAM.

A0 RD WR D7 D6 D5 D4 D3 D2 D1 D0

0

1

0

1

0

1

0

0

1

1

0

1

Display status

Normal

Inverse

3-10) Entire display On/Off

This instruction turns on entire LCD pixels regardless the contents of the DDRAM. It doesn’t change

the contents of DDRAM.

A0 RD WR D7 D6 D5 D4 D3 D2 D1 D0

0

1

0

1

0

1

0

0

1

0

0

1

Entire display on/off

Normal

Entire display on

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