Texas Instruments TMS320DM646x Computer Hardware User Manual


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16KI$
8KD$
CP15
MMU
ARM926EJ-S
I-AHB
D-AHB
MasterI/F
16KRAM0
16KRAM1
8KROM
I-TCM
D-TCM
Slave-I/F
MasterI/F
DMA bus
ARM
interrupt
controller
(AINTC)
System
control
PLL0
PLL1
Power
sleep
controller
(PSC)
Peripherals
GFCbus
2.3References
www.ti.com
References
•VideoPortInterface(VPIF)
Figure2-1showsthefunctionalblockdiagramoftheDM646xDMSoCARMSubsystem.
TheDM646xDMSoCarchitectureusestwoprimarybussubsystemstotransferdatawithinthesystem:
•TheDMAbus(sometimescalleddatabus)isusedfordatatransferbetweensubsystemsand
modules.
•TheCFGbus(orconfigurationbus)isusedtoread/writetoperipheralregistersinvariousmodulesfor
configuration.
Figure2-1.TMS320DM646xDMSoCARMSubsystemBlockDiagram
SeethefollowingDM646xDMSoCrelateddocumentsformoreinformation:
•ForrelateddocumentationabouttheDM646xDMSoCotherthantheARMcore,seetheRelated
Documentationsectionatthebeginningofthisdocument.
•FormoredetailedinformationabouttheARMprocessorcore,seeARMLtd.’swebsite(particularly,
seetheARM926EJ-STechnicalReferenceManual):
–http://www.arm.com/documentation/ARMProcessor_Cores/index.html
SPRUEP9A–May2008ARMSubsystemOverview17
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