Filter
Top Products
www.ti.com
2DeviceOverview
2.1DeviceCharacteristics
SM320C6455-EP
FIXED-POINTDIGITALSIGNALPROCESSOR
SPRS462B–SEPTEMBER2007–REVISEDJANUARY2008
Table2-1,providesanoverviewoftheC6455DSP.ThetablesshowsignificantfeaturesoftheC6455
device,includingthecapacityofon-chipRAM,theperipherals,theCPUfrequency,andthepackagetype
withpincount.
Table2-1.CharacteristicsoftheC6455Processor
HARDWAREFEATURESC6455
EMIFA(64bitbuswidth)
1
(clocksource=AECLKINorSYSCLK4)
DDR2MemoryController(32bitbuswidth)[1.8VI/O]
1
(clocksource=CLKIN2)
EDMA3(64independentchannels)[CPU/3clockrate]1
High-speed1x/4xSerialRapidIOPort1
I2C1
Peripherals
HPI(32-or16bituserselectable)1(HPI16orHPI32)
Notallperipheralspins
areavailableatthesame
PCI(32bit),[66-MHzor33-MHz]1(PCI66orPCI33)
time(Formoredetail,see
McBSPs(internalCPU/6orexternalclocksourceup
theDeviceConfiguration
2
to100Mbps)
section).
UTOPIA(8bitmode,50-MHz,Slave-only)1
10/100/1000EthernetMAC(EMAC)1
ManagementDataInput/Output(MDIO)1
64BitTimers(Configurable)
264bitor432bit
(internalclocksource=CPU/6clockfrequency)
General-PurposeInput/OutputPort(GPIO)16
VCP2(clocksource=CPU/3clockfrequency)1
DecoderCoprocessors
TCP2(clocksource=CPU/3clockfrequency)1
Size(Bytes)2192K
32K-Byte(32KB)L1ProgramMemoryController
[SRAM/Cache]
On-ChipMemory
Organization32KBDataMemoryController[SRAM/Cache]
2096KBL2UnifiedMemory/Cache
32KBL2ROM
C64x+MegamoduleMegamoduleRevisionIDRegister(addresslocation:
SeeSection5.6,MegamoduleRevision
RevisionID01812000h)
SeeSection3.6,JTAGID(JTAGID)Register
JTAGBSDL_IDJTAGIDregister(addresslocation:0x02A80008)
Description
FrequencyMHz720,850,1000(1GHz),and1200(1.2GHz)
1.39ns(C6455-720),1.17ns(C6455-850),
CycleTimens1ns(C6455A-1000,-1000)[1-GHzCPU]
(1)
0.83ns(C6455-1200)[1.2-GHzCPU]
1.25V(A-1000/-1000/-1200)
Core(V)
1.2V(-850/-720)
Voltage
1.25/1.2[RapidIO],
I/O(V)1.5/1.8[EMACRGMII],and
1.8and3.3V[I/OSupplyVoltage]
PLL1andPLL1
CLKIN1frequencymultiplierBypass(x1),x15,x20,x25,x30,x32
ControllerOptions
CLKIN2frequencymultiplier
PLL2x20
[DDR2MemoryControllerandEMACsupportonly]
697-PinFlip-ChipPlasticBGA(ZTZ)
BGAPackage24x24mm
697-PinFlip-ChipPlasticBGA(GTZ)
(1)Theextendedtemperaturedevice's(A-1000)electricalcharacteristicsandactimingsarethesameasthoseforthecorresponding
commercialtemperaturedevices(-1000).
SubmitDocumentationFeedbackDeviceOverview11