Moteur de recherche de fiches techniques de composants électroniques |
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GS4900B Fiches technique(PDF) 5 Page - Semtech Corporation |
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GS4900B Fiches technique(HTML) 5 Page - Semtech Corporation |
5 / 102 page GS4901B/GS4900B SD Clock and Timing Generator with GENLOCK Data Sheet 37703 - 4 December 2009 5 of 102 3.10 GSPI Host Interface ..................................................................................................................... 64 3.10.1 Command Word Description...................................................................................... 66 3.10.2 Data Read and Write Timing....................................................................................... 66 3.10.3 Configuration and Status Registers........................................................................... 67 3.11 JTAG ................................................................................................................................................. 93 3.12 Device Power-Up ........................................................................................................................ 94 3.12.1 Power Supply Sequencing ........................................................................................... 94 3.13 Device Reset .................................................................................................................................. 94 4. Application Reference Design ............................................................................................................... 95 4.1 GS4901B Typical Application Circuit ..................................................................................... 95 4.2 GS4900B Typical Application Circuit ..................................................................................... 96 5. References & Relevant Standards ......................................................................................................... 97 6. Package & Ordering Information .......................................................................................................... 98 6.1 Package Dimensions ..................................................................................................................... 98 6.2 Recommended PCB Footprint ................................................................................................... 99 6.3 Packaging Data ............................................................................................................................... 99 6.4 Ordering Information .................................................................................................................100 7. Revision History........................................................................................................................................101 List of Figures GS4901B Functional Block Diagram ......................................................................................................... 2 GS4900B Functional Block Diagram ......................................................................................................... 3 Figure 1-1: XTAL1 and XTAL2 Reference Circuits .............................................................................. 18 Figure 2-1: PCLK to TIMING_OUT Signal Output Timing ................................................................. 32 Figure 2-2: Maximum Pb-free Solder Reflow Profile (preferred) .................................................. 34 Figure 2-3: Standard Pb Solder Reflow Profile .................................................................................... 34 Figure 3-1: SD-HD Calculation .................................................................................................................. 38 Figure 3-2: Output Accuracy and Modes of Operation ..................................................................... 40 Figure 3-3: Example HSYNC, VSYNC, and FSYNC Analog Input Timing from a Sync Separator ................................................................................................................................................ 41 Figure 3-4: Example H Blanking, V Blanking, and F Digital Input Timing from an SDI Deserializer .............................................................................................................................................. 41 Figure 3-5: 10FID Input Timing ................................................................................................................. 42 Figure 3-6: Default 10FID Output Timing .............................................................................................. 58 Figure 3-7: Optional 10FID Output Timing ........................................................................................... 59 Figure 3-8: AFS Output Timing ................................................................................................................. 60 Figure 3-9: USER Programmable Output Signal .................................................................................. 61 Figure 3-10: Audio Clock Block Diagram for HD Demux Operation ........................................... 64 Figure 3-11: GSPI Application Interface Connection ........................................................................ 65 Figure 3-12: Command Word Format ..................................................................................................... 66 Figure 3-13: Data Word Format ................................................................................................................ 66 Figure 3-14: GSPI Read Mode Timing ..................................................................................................... 67 Figure 3-15: GSPI Write Mode Timing .................................................................................................... 67 Figure 3-16: In-Circuit JTAG ...................................................................................................................... 93 Figure 3-17: System JTAG ........................................................................................................................... 94 |
Numéro de pièce similaire - GS4900B |
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Description similaire - GS4900B |
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