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3.15ReceiveAddressMapSize4Register(RAMS4)
3.16ReceiveAddressMapOffset4Register(RAMO4)
VLYNQPortRegisters
Thereceiveaddressmapsize4register(RAMS4)isusedtoidentifytheintendeddestinationofinbound
serialpackets.TheRAMS4isshowninFigure23anddescribedinTable21.
Figure23.ReceiveAddressMapSize4Register(RAMS4)
31210
RXADRSIZE4Reserved
R/W-0R-0
LEGEND:R/W=Read/Write;R=Readonly;-n=valueafterreset
Table21.ReceiveAddressMapSize4Register(RAMS4)FieldDescriptions
BitFieldValueDescription
31-2RXADRSIZE40-3FFFFFFFhTheRXADRSIZE4fieldisusedtodetermineifreceivepacketsaredestinedforthefourthof
fourmappedaddressregions.RXADRSIZE4iscomparedwiththeaddresscontainedinthe
receivepacket.IfthereceivepacketaddressislessthanthevalueinRXADRSIZE4,the
packetaddressisaddedtothereceiveaddressmapoffset4register(RAMO4)toobtainthe
translatedaddress.
1-0Reserved0Reserved.Alwaysreadas0.Writeshavenoeffect.
Thereceiveaddressmapoffset4register(RAMO4)isusedwiththereceiveaddressmapsize4register
(RAMS4)totranslatereceivepacketaddressestolocaldeviceconfigurationbusaddresses.TheRAMS4
isshowninFigure24anddescribedinTable22.
Figure24.ReceiveAddressMapOffset4Register(RAMO4)
31210
RXADROFFSET4Reserved
R/W-0R-0
LEGEND:R/W=Read/Write;R=Readonly;-n=valueafterreset
Table22.ReceiveAddressMapOffset4Register(RAMO4)FieldDescriptions
BitFieldValueDescription
31-2RXADROFFSET40-3FFFFFFFhTheRXADROFFSET4fieldisusedwiththereceiveaddressmapsize4register(RAMS4)
todeterminethetranslatedaddressforserialdata.Ifthereceivepacketaddressisless
thanthevalueinRAMS4,thepacketaddressisaddedtothecontentsofthisregisterto
obtainthetranslatedaddress.
1-0Reserved0Reserved.Alwaysreadas0.Writeshavenoeffect.
SPRUE36A–September2007VLYNQPort37
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