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CX25870 数据表(PDF) 10 Page - Synaptics Incorporated.

部件名 CX25870
功能描述  Video Encoder with Adaptive Flicker Filtering and HDTV Output
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制造商  CONEXANT [Synaptics Incorporated.]
网页  https://www.synaptics.com/
标志 CONEXANT - Synaptics Incorporated.

CX25870 数据表(HTML) 10 Page - Synaptics Incorporated.

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List of Figures
CX25870/871
Flicker-Free Video Encoder with Ultrascale Technology
x
Conexant
100381B
Figure 1-37.
Filterless DAC Outputs for VGA (RGB)—DAC Output Operation . . . . . . . . . . . . . . . . . . . . 1-86
Figure 3-1.
Power Plane Illustration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Figure 3-2.
Connection Diagram for Output Filters and Other Key Passive Components/Standard Definition
TV Out Only 3-3
Figure 3-3.
Connection Diagram for Output Filters and Other Key Passive Components/Standard and HDTV
Out 3-4
Figure 3-4.
CX25870/871 3.3 V Recommended Layout for Connection with 3.3 V Master De-
vice
Standard Definition TV Out Only 3-6
Figure 3-5.
CX25870/871 3.3 V/1.8 V Recommended Layout for Connection with 1.8 V Master De-
vice
Standard Definition TV Out Only 3-7
Figure 3-6.
Conexant Recommended GUI for CX25870/871 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15
Figure 3-7.
CX25870/871 Autoconfiguration Modes for 640x480 RGB in, NTSC Out Desktop Resolutions
3-22
Figure 3-8.
CX25870/871 Autoconfiguration Modes for 40x480 RGB In, PAL-BDGHI Out Desktop Resolu-
tions 3-22
Figure 3-9.
CX25870/871 Autoconfiguration Modes for 800 x 600 RGB In, NTSC Out Desktop Resolutions
3-23
Figure 3-10.
CX25870/871 Autoconfiguration Modes for 800 x 600 RGB In, PAL-BDGHI Out Desktop Reso-
lutions 3-23
Figure 3-11.
CX25870/871 Autoconfiguration Modes for 1024 x 768 RGB In, NTSC Out Desktop Resolutions
3-24
Figure 3-12.
CX25870/871 Autoconfiguration Modes for 1024 x 768 RGB In, PAL-BDGHI Out Desktop Res-
olutions 3-24
Figure 3-13.
Direction-less Size Control Pad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-25
Figure 3-14.
System Block Diagram for Desktop/Portable PC with TV Out . . . . . . . . . . . . . . . . . . . . . . 3-26
Figure 3-15.
System Block Diagram for Graphics Card with TV Out . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-27
Figure 3-16.
SID/SIC Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-34
Figure 4-1.
Timing Details for All Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
Figure 4-2.
Master Interface Timing Relationship/Noninterlaced RGB/YCrCb Input . . . . . . . . . . . . . . . 4-8
Figure 4-3.
Pseudo-Master Interface Timing Relationship – Active Line/Noninterlaced RGB Input . . . . 4-9
Figure 4-4.
Pseudo-Master Timing Relationship Blank Line/Noninterlaced RGB/YCrCb Input . . . . . . . 4-10
Figure 4-5.
Slave Interface Timing Relationship/Noninterlaced RGB/YCrCb Input . . . . . . . . . . . . . . . . 4-11
Figure 4-6.
Slave Interface Timing Relationship/Interlaced Nonmultiplexed RGB Input (FLD_MODE = 10 –
Default) 4-12
Figure 4-7.
Slave Interface Timing Relationship/Interlaced Nonmultiplexed YCrCb Input (FLD_MODE = 01)
4-13
Figure 4-8.
Slave Interface Timing Relationship/Interlaced Nonmultiplexed YCrCb Input (FLD_MODE = 00)
4-14
Figure 4-9.
HDTV Output Horizontal Timing Details: 1080i . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15
Figure 4-10.
HDTV Output Horizontal Timing Details: 720p. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-16
Figure 4-11.
80-Pin PQFP Package Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-17
Figure A-1.
Allowable Overscan Compensation Ratios for Dual Display, 640x480 Input, NTSC Output with
20 Clock HBlank Period A-4
Figure A-2.
Allowable Overscan Compensation Ratios for Dual Display, 640x480 Input, PAL-BDGHI Output
with 20 Clock HBlank Period A-5
Figure A-3.
Allowable Overscan Compensation Ratios for Dual Display, 800x600 Input, NTSC Output . A-6
Figure A-4.
Allowable Overscan Compensation Ratios for Dual Display, 800x600 Input, PAL–BDGHI Output,
Standard Clocking Mode A-7


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