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SRIORegisters
Table183.PortControlIndependentRegistern(SPn_CTL_INDEP)FieldDescriptions(continued)
BitFieldValueDescription
23DEBUGModeofoperation.
0Normalmode
1Debugmode.Thedebugmodeunlockscaptureregistersforwriteandenable
debugpacketgeneratorfeature.
22SEND_DBG_PKTSenddebugpacket.Write1toforcethesendingofadebugpacket.Thisbitis
setbysoftwareandclearedafterdebugpacketissent.Writeswhenthebitisset
areignored.Debugmodeonly.
21ILL_TRANS_ENIllegaltransfererrorreportingenable.Ifenabled,thePort-Writeandinterruptare
reportederrors.
0Disableillegaltransfererrorreporting.
1Enableillegaltransfererrorreporting.
20ILL_TRANS_ERRIllegalTransferError.Afterbeingset,theILL_TRANS_ERRbitremainssetuntil
writtenwitha1,oruntilavalueofall0siswrittentotheregister
SP0_ERR_DET.
0Noerrorconditiondetected
1Oneofthefollowingerrorconditionshasbeendetected:
•Thereceivedtransactionhasareservedvalueinthettfield.
•AreservedfieldofMaintenancetransactiontypeisdetected.
•ThedestinationIDisnotdefinedinlook-uptable.
ThiserrorisalsoreportedinregistersSP0_ERR_DETandERR_DET.
19–18Reserved0Theseread-onlybitsreturn0swhenread.
17MAX_RETRY_ENMaximumretryerrorreportingenable.Ifenabled,thePort-Writeandinterruptare
reportedaserrors.
0bMaxretryerrorreportdisable
1bMaxretryerrorreportenable
16MAX_RETRY_ERRMaximumretryerror.Thisbitisignoredifmax_retry_thresholdis0.Onceset,
theMAX_RETRY_ERRbitremainssetuntilwrittenwitha1,oruntilavalueof
all0siswrittentotheregisterSP0_ERR_DET.
0Noerrorconditiondetected
1max_retry_cntisequaltomax_retry_threshold.ThePort-Writerequestand
interruptaregeneratedifenabled.Thiserrorisalsoreportedintheregister
SP0_ERR_DET.
15–8MAX_RETRY_THRMaximumRetryThresholdTrigger.Thesebitsprovidethethresholdvaluefor
reportinganerrorconditionduetopossiblybrokenpartnerbehavior.
00hDisablethemax_retry_errorreporting
01hSetthemax_retry_thresholdto1
02hSetthemax_retry_thresholdto2
......
FFhSetthemax_retry_thresholdto255
7IRQ_ENInterrupterrorreportingenable.Ifenabled,theinterruptsignalishighwhenthe
IRQ_ERRissetto1.
0Interrupterrorreportdisable
1Interrupterrorreportenable
6IRQ_ERRInterrupterrorstatus
0Anerrorhasnotoccurredand/orthereisnotaPort-Writecondition.
1AnerroroccurredandthereisaPort-Writecondition.IRQ_ERRremainsat1
untilsoftwarewritesa1toit.
5–0Reserved0Theseread-onlybitsreturn0swhenread.
SPRUE13A–September2006SerialRapidIO(SRIO)237
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