Datasheet

246
8021G–AVR–03/11
ATmega329P/3290P
• Bits 3:0 – LCDCC3:0: LCD Contrast Control
The LCDCC3:0 bits determine the maximum voltage V
LCD
on segment and common pins. The
different selections are shown in Table 23-8 on page 246. New values take effect every begin-
ning of a new frame.
Table 23-8. LCD Contrast Control
LCDCC3 LCDCC2 LCDCC1 LCDCC0 Maximum Voltage V
LCD
0000 2.60
0001 2.65
0010 2.70
0011 2.75
0100 2.80
0101 2.85
0110 2.90
0111 2.95
1000 3.00
1001 3.05
1010 3.10
1011 3.15
1100 3.20
1101 3.25
1110 3.30
1111 3.35