cx25870 Conexant Systems, Inc., cx25870 Datasheet - Page 7
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cx25870
Manufacturer Part Number
cx25870
Description
Video Encoder With Adaptive Flicker Filtering And Hdtv Output
Manufacturer
Conexant Systems, Inc.
Datasheet
1.CX25870.pdf
(291 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
cx25870-14P
Manufacturer:
CONEXANT
Quantity:
20 000
- Current page: 7 of 291
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CX25870/871
Flicker-Free Video Encoder with Ultrascale Technology
4.0
Appendix A. Scaling and I/0 Timing Register Calculations
Appendix B. Approved Crystal Vendors
Appendix C. Autoconfiguration Mode Register Values and Details
Appendix D. Closed Caption Pseudo Code
Appendix E. CX25870/871 HDTV Output Mode
100381B
3.5
3.6
3.7
3.8
Parametric Information
4.1
4.2
4.3
E.1
3.4.4
3.4.5
Signal Interconnect
3.5.1
3.5.2
Applications Information
3.6.1
3.6.2
3.6.3
3.6.4
3.6.5
3.6.6
CX870EVK Evaluation Kit
Serial Interface
3.8.1
DC Electrical Parameters
AC Electrical Parameters
Mechanical Drawing for 80-Pin PQFP
Introduction
E.1.1
E.1.2
VREF Decoupling
VBIAS Decoupling
Digital Signal Interconnect
Analog Signal Interconnect
Changes Required to Accommodate CX25870/871 in Bt868/869-Designs
3.6.1.1
3.6.1.2
Programmable Video Adjustment Controls
3.6.2.1
3.6.2.2
3.6.2.3
3.6.2.4
3.6.2.5
3.6.2.6
3.6.2.7
3.6.2.8
3.6.2.9
System Block Diagrams
Electrostatic Discharge and Latchup Considerations
Clock and Subcarrier Stability
Filtering Radio Frequency Modulator Connection
Data Transfer on the Serial Interface Bus
Allowable Interfaces for HDTV Output Mode
Interface Bit Functionality in HDTV Output Mode
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Software
Hardware
Contrast
Saturation
Brightness
Hue
Sharpness
Dot Crawl
Standard and Adaptive Flicker Filter
Position
Size
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-31
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-1
Conexant
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-28
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-29
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-3
. . . . . . . . . . . . . . . . . . . . . . . . . . . 3-27
. . . . . . . . . . . . . . . . . . . . . . . . C-1
. . . . . . . . . . . 3-11
vii
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