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PDF CH7203 Datasheet ( Hoja de datos )

Número de pieza CH7203
Descripción MPEG to TV Encoder with 16-bit Input
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CH7203 datasheet

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CH7203 pdf
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CHRONTEL
CH7203
MPEG Decoder
and
System Controller
8 19-26
Y[7:0]
8 11 - 18
C[7:0]
1 ACLK
41 DCLK
43 2XPCLK
39 PCLK
37 VSYNC*
35 HSYNC*
7
CRS EN
10
CRS
9
MOD1
38
MOD0
27 pF2
14.318
MHz
27 pF2
3
X O/FIN
4
XI
CH7203
Ferrite Bead1
32
Y
75
Ferrite Bead1
C 30
75
Ferrite Bead1
31
CVBS
75
28
RSE T
360
FS 8 JUMPER
Note:
Figure 3: CH7203 Interface Diagram
1. Please refer to the Optional Output Filter diagram below
2. The proper value of these capacitors depends on the crystal manufacturer’s specifications. Please refer to AN06 for the
details of the calculation.
Y, C, CVBS
75
47 pF
1.2uH
150 pF
1.2uH
270pF
O UTP UT
Figure 4: Optional Output Filter
www.DataSheet4U.com
201-0000-031 Rev 2.0, 6/2/99
5

5 Page

CH7203 arduino
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CHRONTEL
CH7203
Color / Level
Cyan / Red
Green / Magenta
Yellow / Blue
mA
2225..6307
2214..8559
1292..6116
V
0.895418
0.892129
00..783315
COLOR BARS :
Peak Burst
185..1958 0.568919
Blank
1142..24994 00..456368
Peak Burst
Yellow / Blue
108.4.949 0.33917
56..3473 00..220411
3.579545 MHz Color Burst
(9 cycles)
Green / Magenta
Cyan / Red
34..1020 00..115107
32..2317 00..012819
Note: 1 100% amplitude, 100% saturation color bars are shown
Note: 2 Vref = 1.235V, RSET = 360, 75doubly terminated load
Figure 12: NTSC C (Chrominance) Video Output Waveform
Color / Level
Cyan / Red
Green / Magenta
Yellow / Blue
mA
2272..0660
2261..2825
1239..6631
V
10..081458
00..988139
00..878365
COLOR BARS :
Peak Burst
1196..2213 00..762009
Blank
Peak Burst
Yellow / Blue
1152..2449
118..2784
00..547628
00..432238
65..3857 00..225071
4.433619 MHz Color Burst
(10 cycles)
Green / Magenta
Cyan / Red
43.1272 00..116107
23..3473 00..102899
Note: 1 100% amplitude, 100% saturation color bars are shown
Note: 2 Vref = 1.235V, RSET = 360, 75doubly terminated load
Figure 13: PAL C (Chrominance) Video Output Waveform
www.DataSheet4U.com
201-0000-031 Rev 2.0, 6/2/99
11

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