Rev. 6.00, 08/04, page 422 of 628
13.3.4
Boosting the LCD Drive Power Supply
When a large panel is driven, the on-chip power supply capacity may be insufficient. If the power
supply capacity is insufficient when V
CC
is used as the power supply, the power supply impedance
must be reduced. This can be done by connecting bypass capacitors of around 0.1 to 0.3 µF to
pins V
1
to V
3
, as shown in figure 13.9, or by adding a split-resistance externally.
This LSI
V
CC
V
SS
V
1
V
2
V
3
R
R
R
R = several k
Ω
to
several M
Ω
C = 0.1 to 0.3
µ
F
R
Figure 13.9 Connection of External Split-Resistance
Содержание H8/38024 Series
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