NJU6682CH データシートの表示（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

3-12)EVR Resister Set

This instruction controls Voltage Adjustment Circuit of internal LCD power supply and changes LCD driving voltage

“V5”. Finally, it adjusts the contrast of LCD display. By setting a data into EVR resister, V5 output voltage selects one

condition out of 201-voltage conditions. The range of V5 voltage is adjusted by setting external resister as mentioned in

(4-2) Voltage Regulator

(R/W)

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

0 1 0 0 0 0 0 1 0 0 0 A7 A6 A5 A4 A3 A2 A1 A0

A7 A6 A5 A4 A3 A2 A1 A0

0

0

1

1

0

1

1

1

:

:

1

1

1

1

1

1

1

0

1

1

1

1

1

1

1

1

VLCD

Low

:

:

:

High

VLCD=VDD-V5

If EVR isn’t used, set the EVR Resister to (1,1,1,1,1,1,1,1).

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