Texas Instruments SPRU938B Network Card User Manual


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Mapregion1
Mapregion2
Mapregion3
Mapregion4
0400:0000h
(4C00:0000hon
DM643xdevice)
0800:0000h
07FF:FFFFh
0800:0100h
0800:00FFh
0801:0100h
0801:00FFh
0841:00FFh
Mapregion1
Mapregion2
Mapregion3
Mapregion4
DMxxxdevice(local)
Remote
VLYNQdevice
0000:0000h
03FF:FFFFh
0400:0000h
0400:00FFh
0500:0000h
0500:FFFFh
0B00:0000h
0B3F:FFFFh
PeripheralArchitecture
Figure7.ExampleAddressMemoryMap
ThefollowingshowsanexampleillustratingtheaddresstranslationusedineachVLYNQmodule.
Addressbits[31:26]arenotusedforaddresstranslationtoremotedevicesontheDM643xdevice.
Table2showstheaddressmapregisterconfigurationwhentheDM643xdeviceistransmittingdatatothe
remotedevice.
Table2.AddressTranslationExample(SingleMappedRegion)
RegisterDM643xVLYNQModuleRemoteVLYNQModule
TXAddressMap0000:0000hDonotcare
RXAddressMapSize1Donotcare0000:0100h
RXAddressMapOffset1Donotcare0800:0000h
SPRU938B–September2007VLYNQPort17
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