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3.10ReceiveAddressMapOffset1Register(RAMO1)
3.11ReceiveAddressMapSize2Register(RAMS2)
VLYNQPortRegisters
Thereceiveaddressmapoffset1register(RAMO1)isusedwiththereceiveaddressmapsize1register
(RAMS1)totranslatereceivepacketaddressestolocaldeviceconfigurationbusaddresses.TheRAMO1
isshowninFigure18anddescribedinTable16.
Figure18.ReceiveAddressMapOffset1Register(RAMO1)
31210
RXADROFFSET1Reserved
R/W-0R-0
LEGEND:R/W=Read/Write;R=Readonly;-n=valueafterreset
Table16.ReceiveAddressMapOffset1Register(RAMO1)FieldDescriptions
BitFieldValueDescription
31-2RXADROFFSET10-3FFFFFFFhTheRXADROFFSET1fieldisusedwiththereceiveaddressmapsize1register(RAMS1)
todeterminethetranslatedaddressforserialdata.Ifthereceivedpacketaddressisless
thanthevalueinRAMS1,thepacketaddressisaddedtothecontentsofthisregisterto
obtainthetranslatedaddress.
1-0Reserved0Reserved.
Thereceiveaddressmapsize2register(RAMS2)isusedtoidentifytheintendeddestinationofinbound
serialpackets.TheRAMS2isshowninFigure19anddescribedinTable17.
Figure19.ReceiveAddressMapSize2Register(RAMS2)
31210
RXADRSIZE2Reserved
R/W-0R-0
LEGEND:R/W=Read/Write;R=Readonly;-n=valueafterreset
Table17.ReceiveAddressMapSize2Register(RAMS2)FieldDescriptions
BitFieldValueDescription
31-2RXADRSIZE20-3FFFFFFFhTheRXADRSIZE2fieldisusedtodetermineifreceivepacketsaredestinedforthesecond
offourmappedaddressregions.RXADRSIZE2iscomparedwiththeaddresscontainedin
thereceivepacket.IfthereceivedpacketaddressislessthanthevalueinRXADRSIZE2,
thepacketaddressisaddedtothereceiveaddressmapoffset2register(RAMO2)toobtain
thetranslatedaddress.
1-0Reserved0Reserved.
34VLYNQPortSPRUF89–October2007
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