Pentek 6230 Operating Manual page 113

GC4016 MULTI-STANDARD QUAD DDC CHIP
Figure 1: GC4016 Block Diagram ......................................................................................................................................................... 1
Figure 2: Normal Control I/O Timing ..................................................................................................................................................... 3
Figure 3: Edge Write Control Timing..................................................................................................................................................... 3
Figure 4: The Down Converter Channel ............................................................................................................................................... 5
Figure 5: Zero Pad Synchronization...................................................................................................................................................... 6
Figure 6: NCO Circuit............................................................................................................................................................................ 6
Figure 7: Example NCO Spurs.............................................................................................................................................................. 7
Figure 8: NCO Peak Spur Plot .............................................................................................................................................................. 7
Figure 9: Five Stage CIC Decimate by N Filter .....................................................................................................................................8
Figure 10: Typical CFIR Specifications ................................................................................................................................................... 9
Figure 11: Typical PFIR Specifications ................................................................................................................................................... 9
Figure 12: Resampler Channel Block Diagram..................................................................................................................................... 12
Figure 13: The Resampler's Spectral Response .................................................................................................................................. 13
Figure 14: Wide Word Microprocessor Port .......................................................................................................................................... 19
Figure 15: Serial Output Formats.......................................................................................................................................................... 21
Figure 16: Parallel Mode Timing ........................................................................................................................................................... 23
Figure 17: GC4016 160 Pin Plastic Ball Grid Array .............................................................................................................................. 27
Figure 18: GC4016 Pin Assignments.................................................................................................................................................... 28
Figure 19: Overall Spectral Responses of Example Filters................................................................................................................... 59
Figure 20: Frequency Response for the Example GSM Application ..................................................................................................... 62
Figure 21: Frequency Response for the Example DAMPS Application ................................................................................................ 64
Figure 22: Frequency Response for the Example IS95 Application...................................................................................................... 66
Figure 23: Frequency Response for the Example UMTS Application................................................................................................... 69
Table 1: Input Mode Controls...............................................................................................................................................................4
Table 2: Multichannel mode settings ................................................................................................................................................. 12
Table 3: Output Mode Controls.......................................................................................................................................................... 17
Table 4: Channel Output Map, Synchronous Four Channel Mode .................................................................................................... 18
Table 5: Channel Output Map, Synchronous Two Channel Mode..................................................................................................... 18
Table 6: Channel Output Map, Single Channel Mode ....................................................................................................................... 18
Table 7: Sync Modes ......................................................................................................................................................................... 24
Table 8: Recommended Sync Settings.............................................................................................................................................. 24
Table 9: Mask Revisions.................................................................................................................................................................... 26
Table 10: GC4016 Pin Out Locations Top View .................................................................................................................................. 29
Table 11: Global Control Registers...................................................................................................................................................... 31
Table 12: Page Assignments ............................................................................................................................................................... 34
Table 13: CFIR Coefficient Pages ....................................................................................................................................................... 35
Table 14: PFIR Coefficient Pages........................................................................................................................................................ 35
Table 15: Channel Control Registers................................................................................................................................................... 37
Table 16: Resampler Coefficient Pages (Single filter mode) ............................................................................................................... 42
Table 17: Resampler Control Registers............................................................................................................................................... 43
Table 18: Resampler Ratio Page......................................................................................................................................................... 45
Table 19: Output Control Registers ..................................................................................................................................................... 46
Table 20: Absolute Maximum Ratings ................................................................................................................................................. 53
Table 21: Recommended Operating Conditions.................................................................................................................................. 53
Table 22: Thermal Data ....................................................................................................................................................................... 53
Table 23: DC Operating Conditions ..................................................................................................................................................... 54
Table 24: AC Characteristics ............................................................................................................................................................... 55
Table 25: Example CFIR Filters........................................................................................................................................................... 57
Table 26: Default PFIR Filters.............................................................................................................................................................. 58
Table 27: Resampler Bypass Mode..................................................................................................................................................... 60
Table 28: Resampler Modes................................................................................................................................................................ 60
Table 29: Desired GSM Specifications ................................................................................................................................................ 62
Table 30: Example GSM Configuration ............................................................................................................................................... 63
Table 31: Desired DAMPS Specifications............................................................................................................................................ 64
Table 32: Example DAMPS Configuration........................................................................................................................................... 65
Table 33: Desired IS95 NB-CDMA Specifications ............................................................................................................................... 66
Table 34: Example IS95 NB-CDMA Configuration .............................................................................................................................. 68
Table 35: Desired UMTS Specifications .............................................................................................................................................. 68
Table 36: Example UMTS Configuration ............................................................................................................................................. 70
Table 37: Diagnostic Test 1 ................................................................................................................................................................. 71
Table 38: Diagnostic Test 2 ................................................................................................................................................................. 71
Table 39: Diagnostic Test 3 ................................................................................................................................................................. 72
Table 40: Diagnostic Test 4 ................................................................................................................................................................. 73
© GRAYCHIP,INC.
This document contains information which may be changed at any time without notice
LIST OF FIGURES
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DATA SHEET REV 1.0
August 27, 2001