GS2970A datasheet(6/150 Pages) SEMTECH

Part #	GS2970A

Description	3Gb/s, HD, SD SDI Receiver Complete with SMPTE Audio and Video Processing

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Manufacturer	SEMTECH [Semtech Corporation]

Direct Link	http://www.semtech.com

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6 / 150 page

GS2970A 3Gb/s, HD, SD SDI Receiver

Data Sheet

54244 - 2

September 2012

6 of 150

7.3 Marking Diagram .........................................................................................................................147

7.4 Solder Reflow Profiles ................................................................................................................148

7.5 Ordering Information .................................................................................................................148

Revision History ............................................................................................................................................149

List of Figures

Figure 3-1: Digital Input Pin with Schmitt Trigger............................................................................... 24

Figure 3-2: Bidirectional Digital Input/Output Pin..............................................................................24

Figure 3-3: Bidirectional Digital Input/Output Pin with programmable drive strength......... 25

Figure 3-4: XTAL1/XTAL2/XTAL-OUT ................................................................................................... 25

Figure 3-5: VBG .............................................................................................................................................. 25

Figure 3-6: LB_CONT .................................................................................................................................... 26

Figure 3-7: Loop Filter .................................................................................................................................. 26

Figure 3-8: SDI/SDI and TERM .................................................................................................................. 26

Figure 3-9: SDO/SDO .................................................................................................................................... 26

Figure 4-1: Level A Mapping ...................................................................................................................... 27

Figure 4-2: Level B Mapping ...................................................................................................................... 28

Figure 4-3: 27MHz Clock Sources ............................................................................................................ 31

Figure 4-4: PCLK to Data and Control Signal Output Timing - SDR Mode 1 .............................. 34

Figure 4-5: PCLK to Data and Control Signal Output Timing - SDR Mode 2 .............................. 35

Figure 4-6: PCLK to Data and Control Signal Output Timing - DDR Mode ................................. 36

Figure 4-7: DDR Video Interface - 3G Level A ..................................................................................... 39

Figure 4-8: DDR Video Interface - 3G Level B ...................................................................................... 40

Figure 4-9: Delay Adjustment Ranges .................................................................................................... 41

Figure 4-10: Switch Line Locking on a Non-Standard Switch Line ............................................... 43

Figure 4-11: H:V:F Output Timing - 3G Level A and HDTV 20-bit Mode .................................... 47

Figure 4-12: H:V:F Output Timing - 3G Level A and HDTV 10-bit Mode

3G Level B 20-bit Mode, each 10-bit stream ......................................................................................... 47

Figure 4-13: H:V:F Output Timing - 3G Level B 10-bit Mode .......................................................... 48

Figure 4-14: H:V:F Output Timing - HD 20-bit Output Mode ......................................................... 48

Figure 4-15: H:V:F Output Timing - HD 10-bit Output Mode ......................................................... 48

Figure 4-16: H:V:F Output Timing - SD 20-bit Output Mode .......................................................... 48

Figure 4-17: H:V:F Output Timing - SD 10-bit Output Mode .......................................................... 48

Figure 4-18: H:V:DE Output Timing 1280 x 720p @ 59.94/60 (Format 4) ................................... 50

Figure 4-19: H:V:DE Output Timing 1920 x 1080i @ 59.94/60 (Format 5) ................................. 51

Figure 4-20: H:V:DE Output Timing 720 (1440) x 480i @ 59.94/60 (Format 6&7) .................... 52

Figure 4-21: H:V:DE Output Timing 1280 x 720p @ 50 (Format 19) ............................................. 52

Figure 4-22: H:V:DE Output Timing 1920 x 1080i @ 50 (Format 20) ........................................... 53

Figure 4-23: H:V:DE Output Timing 720 (1440) x 576 @ 50 (Format 21 & 22) ........................... 54

Figure 4-24: H:V:DE Output Timing 1920 x 1080p @ 59.94/60 (Format 16) .............................. 54

Figure 4-25: H:V:DE Output Timing 1920 x 1080p @ 50 (Format 31) .......................................... 55

Figure 4-26: H:V:DE Output Timing 1920 x 1080p @ 23.94/24 (Format 32) .............................. 55

Figure 4-27: H:V:DE Output Timing 1920 x 1080p @ 25 (Format 33) .......................................... 56

Figure 4-28: H:V:DE Output Timing 1920 x 1080p @ 29.97/30 (Format 34) .............................. 56

Figure 4-29: 2K Feature Enhancement ................................................................................................... 60

Figure 4-30: Y/1ANC and C/2ANC Signal Timing .............................................................................. 67

Figure 4-31: Ancillary Data Extraction - Step A .................................................................................. 74

Figure 4-32: Ancillary Data Extraction - Step B ................................................................................... 75

Figure 4-33: Ancillary Data Extraction - Step C .................................................................................. 76

Figure 4-34: Ancillary Data Extraction - Step D .................................................................................. 77

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