SIC63616-(Rev. 1.0) NO. P72
3240-0412
4.6.5 LCD contrast adjustment
The LCD driver allows the software to adjust the LCD contrast.
It is realized by controlling the voltages V
C1
–V
C5
output from the LCD system voltage regulator. The
contrast can be adjusted to 16 levels using the LC3–LC0 register.
Table 4.6.5.1 LCD contrast
No.
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
LC3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
LC2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
LC1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
LC0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Contrast
Light
Dark
At initial reset, the LC3–LC0 register is set to 0000B. The software should initialize the register to get the
desired contrast.
Содержание S1C63616
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