NJU6624BFG1 데이터 시트보기 (PDF) - Japan Radio Corporation

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NJU6624BFG1

12-CHARACTER 1-LINE DOT MATRIX LCD CONTROLLER DRIVER with SMOOTH SCROLL FUNCTION

Japan Radio Corporation  

NJU6624A/B

(g)Display Shift

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

Code MS1 MS0 0 0 1 0 1 0 * * * * * * * DRL

The Display shift instruction shifts the Display to the right or left without writing or reading display data.

The contents of address counter(AC) does not change by operation of the display shift only.

DRL

0

1

Function

Shifts the whole display to the left and the cursor follows it.

Shifts the whole display to the right and the cursor follows it.

(h)Set Static Port

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

Code MS1 MS0 0 0 1 0 1 1 * * * * P3 P2 P1 P0

It sets Static Output Port signal which can drive LED directly like as indicator. Initial status is ”L”.

(i)Contrast Control

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

Code MS1 MS0 0 0 1 1 0 0 * * * * C3 C2 C1 C0

Contrast Control instruction which adjusts the contrast of the LCD,is executed when the code "1" is written into

DB6 and the codes of C3 to C0 are written into DB3 to DB0 as shown below.

The contrast of LCD can be adjusted one of 16 voltage-stages by setting this 4-bit register.

See (5-1) "how to adjust the Contrast of LCD".

Set the binary code "0000" when contrast adjustment is unused.

C3

C2

C1

C0

VLCD

VLCD = VLCD2 - VSS

0

0

0

0

low

:

:

1

1

1

1

high

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