Datasheet

253
8284D–AVR–6/11
ATmega169A/PA/329A/PA/3290A/PA/649A/P/6490A/P
• Bits 3:0 – LCDCC[3:0]: LCD Contrast Control
The LCDCC[3:0] bits determine the maximum voltage V
LCD
on segment and common pins. The
different selections are shown in Table 24-8. New values take effect every beginning of a new
frame.
Table 24-8. 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