MT5921 Data sheet

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1、MT5921Version1.06WLANChipSpecificationsaresubjecttochangewithoutnoticeDataSheetMT5921Datasheet1of292MEDIATEKCONFIDENTIAL,NODISCLOSUREMT5921Version1.06WLANChipSpecificationsaresubjecttochangewithoutnoticeDataSheetRevisionHistoryDateReleaseAuthorDescription2006/6/10.01JYinitial2006/8/40.09JYFirstre

2、viewforalldatasheet.2006/8/250.10JYIssuesolved2006/11/220.15JYRenametoMT59212007/1/50.20JY1.EEPROMcontentchange2.changeHCR.delay_timeunit3.addMMCR0.management_skip4.adddescriptionforQCR.RX_Stop5.adddescriptionforRFCR6.adddescriptionforMPTCR.RX_bmc_mgt_en7.redefineTR.min_timeandTR.max_time8.change

3、HSCISR.pkt_timeouttoHSCISR.BMC_timeout9.changeMPTCR.pkt_timeout_entoMPTCR.BMC_timeout_en10.addBSSSAR.Scan_statusfornormalscanandbackgroundSSIDscan11.addUCpatternsearchenablebitinPIR12.adddescriptionforTimerTimeoutcontrol13.ReorderTXCRandaddregisterforself-generatedACcontrolandBIP_en.14.addTTCRtoc

4、heckBIPsubtype15.addBfieldinTXdatastructureforBIP.16.removebeacontimeoutcounter2007/1/190.21JY1.changeSCR.DB_CNT2.removeQCFPoll_timeoutvaluefield,addbcn_min_time_limit,bcn_max_time_limitaddappliedtoQoSCFPolltimeoutvalueaswell.3.changeTX802.11headerlengthfieldunitfrombytetoword4.changethedefinitio

5、nforTXNulltimeout5.changethedefinitionfortimeoutcountlimitinATCR6,adddescriptionforMPTCR.Bcn_timeout_en2of292MEDIATEKCONFIDENTIAL,NODISCLOSUREMT5921Version1.06WLANChipSpecificationsaresubjecttochangewithoutnoticeDataSheet7.changetheTSFdiagraminIBSSmode8.removeRICR[7:5]9.addIBSSpowermanagementsche

6、me10.addLPCR.TSF_drift_int_ctrlforTSF_driftinterruptgenerationcontrol11.addthelowthresholdandinterruptforRR12.addtheoptiontonotaddthevalueinRCPIaveragingwhennobeaconreceived2007/2/160.22JY1.changeRSSItoRCPI2.addwatchdogrelatedfunction3.changedefaultvalueforCCR4.addRFCR.BeaconValidation5.adddescri

7、ptionforRICR6.adddescriptionforHLPCR.BB_REGRSTandHLPCR.BB_LOGRST7.removeCFrelatedfunction1.changeTXFcoefficientBOTFCR0,BOTFCR1,BOTFCR22.changeRFcalibrationBTXDCCR,BRFTXCR,BRFRXCR,BRFCCR2007/2/160.24Jacky1.ModifyRICR.Ad