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2.3memorymapsummary
TMS320DM642
video/imagingfixed-pointdigitalsignalprocessor
SPRS200J–JULY2002–REVISEDAUGUST2005
table2-3showsthememorymapaddressrangesofthedm642device.internalmemoryisalways
locatedataddress0andcanbeusedasbothprogramanddatamemory.theexternalmemoryaddress
rangesinthedm642devicebeginatthehexaddresslocation0x80000000foremifa.
table2-3.tms320dm642memorymapsummary
BLOCKSIZE
MEMORYBLOCKDESCRIPTIONHEXADDRESSRANGE
(字节)
internalram(l2)256k00000000–0003ffff
Reserved768K00040000–000FFFFF
Reserved23M00100000–017FFFFF
externalmemoryinterfacea(emifa)registers256k01800000–0183ffff
L2Registers256K01840000–0187FFFF
HPIRegisters256K01880000–018BFFFF
McBSP0Registers256K018C0000–018FFFFF
McBSP1Registers256K01900000–0193FFFF
Timer0Registers256K01940000–0197FFFF
Timer1Registers256K01980000–019BFFFF
InterruptSelectorRegisters256K019C0000–019FFFFF
EDMARAMandEDMARegisters256K01A00000–01A3FFFF
Reserved512K01A40000–01ABFFFF
Timer2Registers256K01AC0000–01AFFFFF
GP0Registers256K–4K01B00000–01B3EFFF
DeviceConfigurationRegisters4K01B3F000–01B3FFFF
I2C0DataandControlRegisters16K01B40000–01B43FFF
Reserved32K01B44000–01B4BFFF
McASP0ControlRegisters16K01B4C000–01B4FFFF
Reserved192K01B50000–01B7FFFF
Reserved256K01B80000–01BBFFFF
Emulation256K01BC0000–01BFFFFF
PCIRegisters256K01C00000–01C3FFFF
VP0Control16K01C40000–01C43FFF
VP1Control16K01C44000–01C47FFF
VP2Control16K01C48000–01C4BFFF
VICControl16K01C4C000–01C4FFFF
Reserved192K01C50000–01C7FFFF
EMACControl4K01C80000–01C80FFF
EMACWrapper8K01C81000–01C82FFF
EWRAPRegisters2K01C83000–01C837FF
MDIOControlRegisters2K01C83800–01C83FFF
reserved3.5m01c84000–01ffffff
QDMARegisters5202000000–02000033
Reserved928M–5202000034–2FFFFFFF
McBSP0Data64M30000000–33FFFFFF
McBSP1Data64M34000000–37FFFFFF
Reserved64M38000000–3BFFFFFF
McASP0Data1M3C000000–3C0FFFFF
Reserved64M–1M3C100000–3FFFFFFF
DeviceOverview
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