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TPIC82000FFER Datasheet(PDF) 73 Page - Texas Instruments |
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TPIC82000FFER Datasheet(HTML) 73 Page - Texas Instruments |
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73 / 92 page  TPIC82000 Series www.ti.com SLDS189 – MAY 2012 ■M LF Control Not Bit Addressable ESFR: 0xEC LFcont BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 VATT<3:0> Slicer_shunt Carrier AMP on VT monitor Bias monitor Access w w w w w w w w At Power on reset U U U U U U U U At Timer reset S S S S S S S S VATT <3:0> 10 k Ω shunt resistor between LFIN and LFINB trimming Can be updated with LFmode<6> = 1 0.5 k Ω step, 6 kΩ at VATT<3:0> = 1111, Open at VATT<3:0> = 0000 Slicer_shunt Slicer input shunt switch for dc-offset trimming Can be updated with LFmode<6> = 1 ON (1): Slicer dc-offset trimming OFF (0): At LF slicer LPF trimming (LFbias<2:0>) OFF(0): At LF Receiver operation Carrier AMP on LF carrier out AMP: ON (1), OFF (0) switch Can be updated with LFmode<6> = 1 VT monitor RSSI VT reference voltage monitor Can be updated with LFmode<6> = 1 Bias monitor LF bias setting voltage monitor Can be updated with LFmode<6> = 1 ■M LF RSSI mode Control Not Bit Addressable ESFR: 0xC7 LFmodeRSSI BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 loadregister loadRSSIVT loadAGCset Abortdisable loadDataC LF AMPGain – – Access w w w w w W – – At Power on reset 0 U U U U U x x At Timer reset 0 S S S S S x x At Reset 0 0 0 0 – – – – loadregister LFmode RSSI register setting Can be updated with bit7 (loadregister) = 1 loadRSSIVT LFrssiVT register setting Can be updated with bit7 (loadregister) = 1 loadAGCset AGC (input variable attenuator) register setting Can be updated with bit7 (loadregister) = 1 AbortDisable Abort function enable (0), disable (1) Can be updated with bit7 (loadregister) = 1 loadDataC LFdataC register setting Can be updated with bit7 (loadregister) = 1 LF_AMPgain LF AMP Gain setting: High gain (1)/ Low gain (0) Can be updated with bit7 (loadregister) = 1 ■M LF Data width count Not Bit Addressable ESFR: 0xC5 LFdataC BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 dataCEN DataCount<6:0> Access w w w w w w w w At Power on reset U U U U U U U U At Timer reset S S S S S S S S dataCEN LF data count setting: Auto (0), Fixed (1) Can be updated with LFmodeRSSI<3> = 1 DataCount<6:0> LF data width count<6:0>. Active with dataCEN = 1 Can be updated with LFmodeRSSI<3> = 1 ■M LF PreAmble Width UpperTimeLimit Not Bit Addressable ESFR: 0xAB LFpUT BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 LFpUT<7:0> Access w w w w w w w w At Power on reset U U U U U U U U At Timer reset S S S S S S S S LFpUT<7:0> PreAmble Cycle count Upper Time Limit: LFpUT<7:0> Can be updated with LFmode<6> = 1 Copyright © 2012, Texas Instruments Incorporated FUNCTION DESCRIPTION 73 Submit Documentation Feedback Product Folder Link(s): TPIC82000 Series |
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