參數(shù)資料
型號(hào): SAA7105H
廠商: NXP Semiconductors N.V.
元件分類: 通用總線功能
英文描述: Digital video encoder
文件頁數(shù): 58/71頁
文件大?。?/td> 354K
代理商: SAA7105H
2004 Mar 04
58
Philips Semiconductors
Product specification
Digital video encoder
SAA7104H; SAA7105H
Notes
1.
2.
3.
Minimum value for I
2
C-bus bit DOWNA = 1.
Minimum value for I
2
C-bus bit DOWND = 1.
Levels refer to pins PD11 to PD0, PIXCLKI, FSVGC, PIXCLKI, VSVGC, PIXCLKO, CBO, TVD, and HSVGC, being
inputs or outputs directly connected to a graphics controller.
Input sensitivity is
1
/
2
V
DDD2
+ 100 mV for HIGH and
1
/
2
V
DDD2
100 mV for LOW.
The reference voltage
1
/
2
V
DDD2
is generated on chip.
The data is for both input and output direction.
This parameter is arbitrary, if PIXCLKI is looped through the VGC.
Tested with programming IFBP = 1.
If an internal oscillator is used, crystal deviation of nominal frequency is directly proportional to the deviation of
subcarrier frequency and line/field frequency.
with R
L
= 37.5
and C
ext
= 20 pF (typical).
B
3 dB
π
R
L
C
ext
5 pF
+
(
)
4.
5.
6.
7.
8.
1
2
=
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