NT7603
Interface to LCD
(1) Character Font and Number of Lines
The NT7603 provide 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 5x8 dots)
5 X 10 dots + Cursor
5 X 7 dots + Cursor
(or 5x8 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.
NT7603 can directly drive the following combinations:
(a) 5 X 8 Font - 16 character X 1 line (1/8 duty cycle, 1/4 bias)
COM1
LCD PANEL
COM8
SEG1
NT7603
SEG80
15/25
Ver 0.5