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5.81PortLinkMaintenanceRequestCSRn(SPn_LM_REQ)
SRIORegisters
Eachofthefourportsissupportedbyaregisterofthistype.
Figure137.PortLinkMaintenanceRequestCSRn(SPn_LM_REQ)
31-16
Reserved
R-0x00
LEGEND:R=Readonly;-n=valueafterreset
15-32-0
ReservedCOMMAND
R-0x00RW-0x00
LEGEND:R=Readonly;-n=valueafterreset
Table111.PortLinkMaintenanceRequestCSRn(SPn_LM_REQ)FieldDescriptions
BitFieldValueDescription
31-3ReservedReserved
2-0COMMANDAwritetothisregistergeneratesalink-requestcontrolsymbolonthecorrespondingportinterface.
Commandtobesentinthelink-requestcontrolsymbol.Ifread,thisfieldreturnsthelastwritten
value
SPRU976–March2006SerialRapidIO(SRIO)183
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