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Section 13 LCD Controller/Driver
13.3.3
Luminance Adjustment Function (V
Figure 13.13 shows a detailed block diagram of the LCD drive power supply unit.
The voltage output to the V
supply, the V
and V
0
1
the V
and V
pins makes it possible to adjust the voltage applied to the V
0
1
luminance adjustment for the LCD panel.
Rev. 6.00 Aug 04, 2006 page 452 of 680
REJ09B0145-0600
pin is V
. When this voltage is used directly as the LCD drive power
0
CC
pins should be shorted. Also, connecting a variable resistance, R, between
Figure 13.13 LCD Drive Power Supply Unit
Pin)
0
V
CC
V
0
V
1
V
2
V
3
V
SS
pin, and so to provide
1
R
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