NJU6676CH データシートの表示（PDF） - Japan Radio Corporation

部品番号

コンポーネント説明

メーカー

NJU6676CH

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

Japan Radio Corporation  

3-11) LCD bias set

This instruction selects LCD bias value.

A0 RD WR D7 D6 D5 D4 D3 D2 D1 D0

0

1

0

1

0

1

0

0

0

1

0

1

NJU6676

PRELIMINARY

LCD bias

1/9

1/7

3-12) Read modify write

This instruction controls column address increment.

By using of this instruction, the column address can’t increment when read operation but it can

increment when write operation. This status will be continued until the below -mentioned “end”

instruction will be issued.

This instruction can reduce the load of MPU, during the display data in specific DDRAM area is

repeatedly changed for cursor blink or others.

A0 RD WR D7 D6 D5 D4 D3 D2 D1 D0

0

1

0

1

1

1

0

0

0

0

0

The sequence of cursor blink display

Page address set

Column address set

Read modify write

Dummy read

Data read

Data write

Set address

for cursor line

Start

“read

modify

Inverse data in MPU

Dummy read

Data read

Data write

Repeat

End

No

Finish?

Yes

End

“read

modify

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