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3.12ReceiveAddressMapOffset2Register(RAMO2)
3.13ReceiveAddressMapSize3Register(RAMS3)
VLYNQPortRegisters
Thereceiveaddressmapoffset2register(RAMO2)isusedwiththereceiveaddressmapsize2register
(RAMS2)totranslatereceivepacketaddressestolocaldeviceconfigurationbusaddresses.TheRAMO2
isshowninFigure20anddescribedinTable18.
Figure20.ReceiveAddressMapOffset2Register(RAMO2)
31210
RXADROFFSET2Reserved
R/W-0R-0
LEGEND:R/W=Read/Write;R=Readonly;-n=valueafterreset
Table18.ReceiveAddressMapOffset2Register(RAMO2)FieldDescriptions
BitFieldValueDescription
31-2RXADROFFSET20-3FFFFFFFhTheRXADROFFSET2fieldisusedwiththereceiveaddressmapsize2register(RAMS2)
todeterminethetranslatedaddressforserialdata.Ifthereceivedpacketaddressisless
thanthevalueinRAMS2,thepacketaddressisaddedtothecontentsofthisregisterto
obtainthetranslatedaddress.
1-0Reserved0Reserved.
Thereceiveaddressmapsize3register(RAMS3)isusedtoidentifytheintendeddestinationofinbound
serialpackets.TheRAMS3isshowninFigure21anddescribedinTable19.
Figure21.ReceiveAddressMapSize3Register(RAMS3)
31210
RXADRSIZE3Reserved
R/W-0R-0
LEGEND:R/W=Read/Write;R=Readonly;-n=valueafterreset
Table19.ReceiveAddressMapSize3Register(RAMS3)FieldDescriptions
BitFieldValueDescription
31-2RXADRSIZE30-3FFFFFFFhTheRXADRSIZE3fieldisusedtodetermineifreceivepacketsaredestinedforthethirdof
fourmappedaddressregions.RXADRSIZE3iscomparedwiththeaddresscontainedinthe
receivepacket.IfthereceivepacketaddressislessthanthevalueinRXADRSIZE3,the
packetaddressisaddedtothereceiveaddressmapoffset3register(RAMO3)toobtainthe
translatedaddress.
1-0Reserved0Reserved.
SPRUF89–October2007VLYNQPort35
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