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5.101PortErrorRateCSRn(SPn_ERR_RATE)
SRIORegisters
Eachofthefourportsissupportedbyaregisterofthistype.
Figure157.PortErrorRateCSRn(SPn_ERR_RATE)
31-2423-1817-16
ERROR_RATE_BIASReservedERROR_RATE
_RECOVERY
RW-0xFFR-0x00RW-0x00
LEGEND:R=Readonly;-n=valueafterreset
15-87-0
PEAK_ERROR_RATEERROR_RATE_COUNTER
RW-0x00RW-0x00
LEGEND:R=Readonly;-n=valueafterreset
Table131.PortErrorRateCSRn(SPn_ERR_RATE)FieldDescriptions
BitFieldValueDescription
31-24ERROR_RATE_BThesebitsprovidetheerrorratebiasvalue.
IAS
0x00Donotdecrementtheerrorratecounter
0x01Decrementevery1ms(nominal)
0x03Decrementevery10ms(nominal)
0x07Decrementevery100ms
0x0FDecrementevery1s(nominal)
0x1FDecrementevery10s(nominal)
0x3FDecrementevery100s(nominal)
0x7FDecrementevery1000s(nominal)
0xFFDecrementevery10000s(nominal)
Othervaluesarereserved
23-18ReservedReserved
17-16ERROR_RATE_RThesebitslimittheincrementingoftheerrorratecounterabovethefailedthresholdtrigger.
ECOVERY
00bOnlycount2errorsabove
01bOnlycount4errorsabove
10bOnlycount16errorsabove
11bDonotlimitincrementingtheerrorratecount
15-8PEAK_ERROR_RThisfieldcontainsthepeakvalueattainedbytheerrorratecounter.
ATE
7-0ERROR_RATE_CThesebitsmaintainacountofthenumberoftransmissionerrorsthathaveoccurred.Ifthisvalue
OUNTERequalsthevaluecontainedintheerrorratethresholdtriggerregister,thenanerrorwillbereported.
SPRU976–March2006SerialRapidIO(SRIO)205
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