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Techwell

TW9910 Datasheet Preview

TW9910 Datasheet

Low Power NTSC/PAL/SECAM Video Decoder

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Techwell, Inc.
www.datasheet4u.com
TW9910 – Low Power NTSC/PAL/SECAM
Video Decoder with VBI Slicer
Data Sheet
Techwell Confidential. Information may change without notice.
Disclaimer
This document provides technical information for the user. Techwell, Inc. reserves the right to modify the
information in this document as necessary. The customer should make sure that they have the most recent data
sheet version. Techwell, Inc. holds no responsibility for any errors that may appear in this document. Customers
should take appropriate action to ensure their use of the products does not infringe upon any patents. Techwell,
Inc. respects valid patent rights of third parties and does not infringe upon or assist others to infringe upon such
rights.
TECHWELL, INC.
1
REV. A
09/21/2006




Techwell

TW9910 Datasheet Preview

TW9910 Datasheet

Low Power NTSC/PAL/SECAM Video Decoder

No Preview Available !

TW9910
Techwell, Inc. ...............................................................................1
Disclaimer.................................................................................1
Features........................................................................................3
Functional Description...............................................................4
www.datasheeItn4turo.cdoucmtion...............................................................................4
Introduction...............................................................................5
Analog Front End.....................................................................5
Sync Processor........................................................................5
Y/C separation .........................................................................5
Color demodulation..................................................................6
Automatic Chroma Gain Control..........................................6
Color Killer ............................................................................6
Automatic standard detection ..............................................6
Component Processing ...........................................................7
Sharpness.............................................................................7
Color Transient Improvement ..............................................7
Power Management ................................................................7
Host Interface...........................................................................7
Down-scaling and Cropping ....................................................8
Cropping ...............................................................................8
Output Interface .....................................................................10
ITU-R BT.656 .....................................................................10
Horizontal Down Scaling Output........................................10
Vertical Down Scaling Output ............................................11
VBI Data Processing..............................................................12
Raw VBI data output ..........................................................12
VBI Data Slicer ...................................................................12
Sliced VBI Data output format............................................13
Two Wire Serial Bus Interface...............................................20
Test Modes ............................................................................22
Filter Curves...........................................................................23
Anti-alias filter .....................................................................23
Decimation filter..................................................................23
Chroma Band Pass Filter Curves......................................24
Luma Notch Filter Curve for NTSC and PAL/SECAM......24
Chrominance Low-Pass Filter Curve.................................25
Horizontal Scaler Pre- Filter curves ...................................25
Peaking Filter Curves.........................................................25
Peaking Filter Curves.........................................................26
Control Register ........................................................................27
TW9910 Register SUMMARY...........................................27
0x00 – Product ID Code Register (ID)..............................30
0x01 – Chip Status Register I (STATUS1)........................30
0x02 – Input Format (INFORM).........................................31
0x03 – Output Format Control Register (OPFORM) ........32
0x04 – Color Killer Hysteresis and HSYNC Delay Control32
0x05 – Output Control I ......................................................33
0x06 – Analog Control Register (ACNTL) .........................34
0x07 – Cropping Register, High (CROP_HI) ....................34
0x08 – Vertical Delay Register, Low (VDELAY_LO) ........35
0x09 – Vertical Active Register, Low (VACTIVE_LO).......35
0x0A – Horizontal Delay Register, Low (HDELAY_LO) ...35
0x0B – Horizontal Active Register, Low (HACTIVE_LO)..35
0x0C – Control Register I (CNTRL1).................................36
0x0D – Vertical Scaling Register, Low (VSCALE_LO) .....36
0x0E – Scaling Register, High (SCALE_HI)......................36
0x0F – Horizontal Scaling Register, Low (HSCALE_LO).37
0x10 – BRIGHTNESS Control Register (BRIGHT) ..........37
0x11 – CONTRAST Control Register (CONTRAST)........37
0x12 – SHARPNESS Control Register I (SHARPNESS) 37
0x13 – Chroma (U) Gain Register (SAT_U) .....................38
0x14 – Chroma (V) Gain Register (SAT_V)......................38
0x15 – Hue Control Register (HUE) ..................................38
0x16 – Reserved ................................................................38
0x17 – Coring .....................................................................39
0x18 – Coring and IF compensation (CORING) ...............39
0x19 – VBI Control Register (VBICNTL) ...........................40
0x1A – Analog Control II ....................................................41
TECHWELL, INC.
2
0x1B – Output Control II ....................................................41
0x1C – Standard Selection (SDT) .....................................42
0x1D – Standard Recognition (SDTR)..............................43
0x1E – Reserved................................................................43
0x1F – Test Control Register (TEST)................................44
0x20 – Clamping Gain (CLMPG) ......................................45
0x21 – Individual AGC Gain (IAGC)..................................45
0x22 – AGC Gain (AGCGAIN) ..........................................45
0x23 – White Peak Threshold (PEAKWT)........................45
0x24– Clamp level (CLMPL)..............................................45
0x25– Sync Amplitude (SYNCT).......................................46
0x26 – Sync Miss Count Register (MISSCNT).................46
0x27 – Clamp Position Register (PCLAMP) .....................46
0x28 – Vertical Control I (VCNTL1)...................................47
0x29 – Vertical Control II (VCNTL2)..................................47
0x2A – Color Killer Level Control (CKILL).........................47
0x2B – Comb Filter Control (COMB).................................48
0x2C – Luma Delay and H Filter Control (LDLY)..............48
0x2D – Miscellaneous Control I (MISC1)..........................49
0x2E – LOOP Control Register (LOOP) ...........................49
0x2F – Miscellaneous Control II (MISC2) .........................50
0x30 – Macrovision Detection (MVSN) .............................51
0x31 – Chip STATUS II (STATUS2) ................................51
0x32 – H monitor (HFREF)................................................52
0x33 – CLAMP MODE (CLMD) ........................................52
0x34 – ID Detection Control (IDCNTL)..............................52
0x35 – Clamp Control I (CLCNTL1) ..................................53
0x4F – WSS3 .....................................................................54
0x50 – FILLDATA ..............................................................54
0x51 – SDID.......................................................................54
0x52 – DID..........................................................................54
0x53 – WSS1 .....................................................................55
0x54 – WSS2 .....................................................................55
0x55 – VVBI .......................................................................55
0x56~6A LCTL6~LCTL26 .................................................56
0x6B – HSGEGIN ..............................................................56
0x6C – HSEND ..................................................................56
0x6D – OVSDLY................................................................56
0x6E – OVSEND................................................................57
0x6F – VBIDELAY .............................................................57
Pin Diagram ...............................................................................58
44 PIN LQFP......................................................................58
Pin Diagram ...............................................................................59
48 PIN QFNPin Description...............................................59
Pin Description ...................................................................60
Power and Ground Pins.....................................................61
Parametric Information ............................................................62
AC/DC Electrical Parameters................................................62
Clock Timing Diagram........................................................64
Mechanical Data ................................................................64
Mechanical Data ................................................................65
44 Pin LQFP.......................................................................65
48 PIN QFN........................................................................67
Application Schematics .........................................................69
PCB Layout Considerations ..............................................70
Copyright Notice.......................................................................71
Disclaimer ..................................................................................71
Life Support Policy ...................................................................71
REV. A
09/21/2006


Part Number TW9910
Description Low Power NTSC/PAL/SECAM Video Decoder
Maker Techwell
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