NJU6682CH 데이터 시트보기 (PDF) - Japan Radio Corporation

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NJU6682CH

160-common x 132-segment DOT MATRIX LCD DRIVER FOR 4 GRAY SCALE

Japan Radio Corporation  

NJU6682

3-6)Write Display Data

This instruction writes the data on the data bus into the Display Data RAM. The X Address increases automatically after

data writing, therefore, the MPU can write the data into the Display Data RAM continuously without any address setting

after the start address setting.

(R/W)

A0 RD WR D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

1 1 0 D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

D15-D0:Write Data

3-7)Read Display Data

This instruction reads out the 16-bit data ftom Display Data RAM which addressed by the X Assress and Y Address. The

X Address increase “+1” automaticaly after 16-bit data reading out, therefore, the MPU can read out the 16-bit data ftom

Display Data RAM continuously without any address setting after the atart address setting. The one time of dummy read

must operate after X Address set as the explanation in “(5-4) Access to the Display Data RAM and internal Resister”. In

the serial interface mode, the display data is not read out.

(R/W)

A0 RD WR D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

1 0 1 D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

D15-D0:Read Data

3-8)Normal or Inverse ON/OFF Set

This instruction changes the condition of display turn ON and OFF as normal or inverse. The contents of Display Data

RAM is not changed by this instruction exection.

(R/W)

A0 RD WR D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

01

000000001

*

*

*

*

*

*

*D

*:Don’t Care

Black & White Mode:

D

RAM=”1”

0(Normal)

LCD ON

1(Inverse)

LCD OFF

RAM=”0”

LCD OFF

LCD ON

Gray Scale Mode:

D

RAM=”00”

0(Normal)

Gray Scale Level 0

1(Inverse)

Gray Scale Level 3

RAM=”01”

Gray Scale Level 1

Gray Scale Level 2

RAM=”10”

Gray Scale Level 2

Gray Scale Level 1

RAM=”11”

Gray Scale Level 3

Gray Scale Level 0

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