NT7605 データシートの表示（PDF） - Novatek Microelectronics

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NT7605

Single-chip 20C X 2L Dot-Matrix LCD Controller / Driver

Novatek Microelectronics 

NT7605

Interface to LCD

(1) Character Font and Number of Lines

The NT7605 provides a 5 X 7 dot character font 1-line mode, a 5 X 10 dot character font 1-line mode and a

5 X 7 dot character font 2-line mode, as shown in the table below.

Three types of common signals are available as displayed in the table. The number of lines and the font type can be selected by

the program.

Number of Lines

1

1

2

Character Font

5 X 7 dots + Cursor

(or 5 X 8 dots)

5 X 10 dots + Cursor

5 X 7 dots + Cursor

(or 5 X 8 dots)

Number of Common Signals Duty Factor

8

1/8

11

1/11

16

1/16

Bias

1/4

1/4

1/5

(2) Connection to LCD

The following 4 LCD connection examples show the various combinations between characters and lines.

NT7605 can directly drive the following combinations:

(a) 5 X 8 Font – 20 characters X 1 line (1/8 duty cycle, 1/4 bias)

COM1

LCD PANEL

COM8

SEG1

NT7605

SEG100

15

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