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Chrontel

CH7206A Datasheet Preview

CH7206A Datasheet

DVD-TV Encoder

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Chrontel
CH7206A
CH7206A DVD-TV Encoder
FEATURES
• YPrPb support for 480i, 576i, 480p and 576p Output
• Programmable digital input interface supporting RGB
and YCrCb input data formats
• Interlaced to progressive scan conversion for DVD
• Support for NTSC, PAL TV and Progressive Scan
formats
• Support for SCART output
• TV connection detection
• Outputs of CVBS, S-Video and YPbPr
• Two sets of individual DAC output pins, CVBS, S-
Video and YPbPr to allow switching among TV- out
connectors without additional external video switches
• Programmable power management
• Four 10-bit video DAC outputs
• Fully programmable through serial port
• Offered in a 48-pin LQFP package
GENERAL DESCRIPTION
The CH7206A is a video TV encoder device for DVD
applications which accepts a digital video input signal,
encodes and transmits data through four 10-bit high speed
DACs. The device is able to generate synchronization signals
for NTSC and PAL TV standards with CVBS, S-Video
outputs, and YPrPb outputs (480i, 576i, 480p and 576p).
The device accepts data over one 12-bit (or 8-bit) wide data
port with dual edge clock data transfer for multiplexed data
(24 bit or 16 bit) through variable voltage data port which
supports 5 different data formats including RGB and YCrCb.
A high accuracy low jitter phase locked loop is integrated to
create outstanding video quality. ITU-R BT.656 interlaced
video can be input and scan converted to non-interlaced video.
In addition to TV encoder modes, bypass modes are included
which perform color space conversion to HDTV standards
and generate and insert HDTV sync signals.
XI/FIN,XO
P-OUT 2
BCO/V-Sync
XCLK,XCLK*
2
Clock
Driver
D[11:0] 12
VREF
H,V 2
Data
Latch,
Demux
H,V
Latch
Color Space
Conversion
Sync Decode
PLL
Timing
Serial
Port
Control
GPIO[1:0]
2
Serial Clcok
Serial Data
NTSC/PAL
Encode,
480i/576i
480p/576p
YPrPb
RGB
CVBS, S-Video,
YPbPr
MUX
DAC 3
DAC 2
DAC 1
Video
Switch
DAC 0
Four
10-bit DAC's
RESET*
DACA[3:0]
4
DACB[3:1]
3
ISET
Figure 1: Functional Block Diagram (CH7206A 48 pin package)
201-0000-057 Rev. 1.2, 4/09/2013
1




Chrontel

CH7206A Datasheet Preview

CH7206A Datasheet

DVD-TV Encoder

No Preview Available !

CHRONTEL
CH7206A
Table of Contents
Features......................................................................................................................................................................1
General Description ...................................................................................................................................................1
1.0 Pin-Out...........................................................................................................................................................3
1.1 Package Diagram .......................................................................................................................................3
1.2 Pin Description ..........................................................................................................................................4
2.0 Functional Description...................................................................................................................................6
2.1 Modes of Operation ...................................................................................................................................6
2.2 TV Encoder Outputs ..................................................................................................................................8
2.3 Input Interface............................................................................................................................................8
2.4 TV Output................................................................................................................................................12
3.0 Register Control...........................................................................................................................................19
3.1 Non-Macrovision Control Registers Index ..............................................................................................19
3.2 Non-Macrovision Control Registers Map................................................................................................21
3.3 Non-Macrovision Control Registers Description ....................................................................................22
4.0 Electrical Specifications ..............................................................................................................................38
4.1 Absolute Maximum Ratings ....................................................................................................................38
4.2 Recommended Operating Conditions ......................................................................................................38
4.3 Electrical Characteristics .........................................................................................................................39
4.4 Digital Inputs / Outputs............................................................................................................................39
4.5 AC Specifications ....................................................................................................................................40
4.6 Timing Information .................................................................................................................................41
5.0 Package Dimensions ....................................................................................................................................44
6.0 Revision History ..........................................................................................................................................45
2 201-0000-057 Rev. 1.2, 4/09/2013


Part Number CH7206A
Description DVD-TV Encoder
Maker Chrontel
Total Page 30 Pages
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