Texas Instruments TMS320C6722 User Manual

www.ti.com1 TMS320C6727, TMS320C6726, TMS320C6722 DSPs1.1 FeaturesTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268

www.ti.com2.4 Internal Program/Data ROM and RAM00 2027072F28080F3F3837301F1810173F3837301F1817102F2827200F080007ByteROM Page 1Base Address0x0004 0000R

www.ti.com4.17 External Clock Input From Oscillator or CLKIN PinOSCVDDC5C7C8X1RSRBOSCINOSCOUTC6OSCVSSCLKINClockInputFromOSCINtoPLLOn-Chip 1.2-V Oscill

www.ti.com4.17.1 Clock Electrical Data/TimingTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISE

www.ti.com4.18 Phase-Locked Loop (PLL)4.18.1 PLL Device-Specific Information10PLLEN(PLL_CSR[0])DividerD0(/1 to /32)PLLREFPLLx4 to x25PLLOUTDividerD1 (

www.ti.comBOARDDVDD (3.3 V)EMIFilter10 mF 0.1 mFPLLHVPlace Filter and Capacitors as Closeto DSP as PossibleEMI Filter: TDK ACF451832−333, −223, −153,

www.ti.com4.18.2 PLL Registers Description(s)TMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISE

www.ti.com5 Application Example256KBytesRAMBytesROM384KMemory ControllerC67x+DSP CoreProgramCacheCrossbar SwitchEMIF UHPIdMAXMcASP0SPI1McASP1I2C0I2C1R

www.ti.com6 Revision HistoryTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007Thi

www.ti.com7 Mechanical Data7.1 Package Thermal Resistance CharacteristicsTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal Processors

www.ti.com7.2 Supplementary Information About the 144-Pin RFP PowerPAD™ Package7.2.1 Standoff HeightStandoff HeightTMS320C6727, TMS320C6726, TMS320C67

www.ti.com7.2.2 PowerPAD™ PCB FootprintThermal Pad on Top Coppershould be as large as Possible.Soldermask opening should be smaller and matchthe size

www.ti.com2.5 Program CacheTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007The

PACKAGING INFORMATIONOrderable Device Status(1)PackageTypePackageDrawingPins PackageQtyEco Plan(2)Lead/Ball Finish MSL Peak Temp(3)TMX320C6722RFP OBSO

IMPORTANT NOTICETexas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improveme

www.ti.com2.6 High-Performance Crossbar SwitchSYSCLK3SYSCLK1 SYSCLK2SYSCLK3BR3 BR42 1PriorityEMIFExternalMemorySDRAM/FlashPriority21 3 4T2SYSCLK2SYSCL

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007The five bus masters

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007Figure 2-5 shows the

www.ti.com2.7 Memory Map SummaryTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 200

www.ti.com2.8 Boot ModesTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007The C67

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007Figure 2-6 shows the

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007Figure 2-7 shows the

www.ti.com2.9 Pin Assignments2.9.1 Pin MapsSPI0_ENA/I2C1_SDASPI0_CLK/I2C0_SCLDVDDVSSEM_RWEM_RASVSSEM_BA[1]EM_A[0]VSSEM_A[3]EM_A[5]EM_A[7]EM_A[9]DVDDVS

www.ti.com1.2 DescriptionTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007The TM

www.ti.com78EM_A[7]1091108722 1073 1064 1055 1046 1037 1028 1019 10010 9911 9812 9713 9614 9515 9416 9317 9218 9119 9020 8921 8822 8723 8624 8525 8426

www.ti.com2.9.2 Terminal FunctionsTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007Table 2-12. Terminal

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007Table 2-12. Terminal

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007Table 2-12. Terminal

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007Table 2-12. Terminal

www.ti.com2.10 Development2.10.1 Development Support2.10.2 Device SupportTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal Processors

www.ti.comC672x DSP:672767266722PREFIX DEVICE SPEED RANGETMS 320 C6727 GDH 250TMX= Experimental deviceTMP= Prototype deviceTMS= Qualified deviceDEVICE

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 20072.10.2.2 Documentatio

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007SPRAA69 Using the TMS

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007The C6727 extends SDR

www.ti.com3 Device Configurations3.1 Device Configuration Registers3.2 Peripheral Pin Multiplexing OptionsTMS320C6727, TMS320C6726, TMS320C6722Floatin

www.ti.com3.3 Peripheral Pin Multiplexing ControlTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – RE

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007Table 3-5. Priority o

www.ti.com4 Peripheral and Electrical Specifications4.1 Electrical Specifications4.2 Absolute Maximum Ratings(1) (2)4.3 Recommended Operating Conditio

www.ti.com4.4 Electrical CharacteristicsTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JAN

www.ti.com4.5 Parameter Information4.5.1 Parameter Information Device-Specific InformationTransmission Line4.0 pF 1.85 pFZ0 = 50 Ω(see note)Tester Pin

www.ti.com4.6 Timing Parameter SymbologyTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JAN

www.ti.com4.7 Power Supplies4.7.1 Power-Supply Sequencing4.7.2 Power-Supply DecouplingTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Sign

www.ti.com4.8 Reset4.8.1 Reset Electrical Data/TimingTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005

www.ti.com4.9 Dual Data Movement Accelerator (dMAX)4.9.1 dMAX Device-Specific InformationTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital S

www.ti.com1.2.1 Device CompatibilityTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY

www.ti.comEvent Entry #0Event Entry #kEvent Entry #31Transfer Entry #0Transfer Entry #kTransfer Entry #7ReservedEventEntryTableTransferEntryTableHiMAX

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007The dMAX controller c

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007Table 4-2 lists how t

www.ti.com4.9.2 dMAX Peripheral Registers Description(s)TMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 20

www.ti.com4.10 External InterruptsTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2

www.ti.com4.11 External Memory Interface (EMIF)4.11.1 EMIF Device-Specific InformationTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Sign

www.ti.comEM_CS[0]EM_CASEM_RASEM_WEEM_CLKEM_CKEEM_BA[1:0]EM_A[11:0]EM_WE_DQM[0]EM_WE_DQM[1]EM_D[15:0]EM_CS[2]EM_RWEM_OEGPIO(6 Pins)RESETC6726/C6722DSP

www.ti.comEM_CS[0]EM_CASEM_RASEM_WEEM_CLKEM_CKEEM_BA[1:0]EM_A[12:0]EM_WE_DQM[0]EM_WE_DQM[1]EM_D[15:0]EM_WE_DQM[2]GPIO(5 Pins)RESETC6727DSP EMIFCECASRA

www.ti.com4.11.2 EMIF Peripheral Registers Description(s)TMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2

www.ti.com4.11.3 EMIF Electrical Data/TimingTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED

www.ti.com1.3 Functional Block DiagramProgram/DataRAM256K Bytes256256Program/DataROM Page0256K Bytes256Program/DataROM Page1128K Bytes3232DMPPMPCSP 32

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007Table 4-7. EMIF Async

www.ti.comEM_CLKEM_BA[1:0]EM_A[12:0]EM_D[31:0]12 2468812141635771113159BASIC SDRAMWRITE OPERATIONEM_CS[0]EM_WE_DQM[3:0]EM_RASEM_CASEM_WEEM_CLKEM_BA[1:

www.ti.comEM_CLKEM_BA[1:0]EM_A[12:0]EM_D[31:0]READ DATASETUP STROBE HOLD TA2122232325 252122232328 291718ASYNCHRONOUS READWE STROBE MODEADDRESSADDRESS

www.ti.comEM_CLKEM_BA[1:0]EM_A[12:0]EM_D[31:0]SETUP STROBE HOLD2122232332 32212223232226 2624 27ASYNCHRONOUS WRITEWE STROBE MODEADDRESSADDRESSWRITE DA

www.ti.comEM_CLKEM_WAITASSERTED DEASSERTEDSETUP HOLDSTROBESTROBE EXTENDED WAIT STATES343530 313333TMS320C6727, TMS320C6726, TMS320C6722Floating-Point

www.ti.com4.12 Universal Host-Port Interface (UHPI) [C6727 Only]4.12.1 UHPI Device-Specific InformationUHPI_HDS[2]UHPI_HDS[1]UHPI_HCSUHPI_HRDYInternal

www.ti.comEM_D[31:16]/UHPI_HA[15:0](A)UHPI_HCNTL[1:0]UHPI_HD[15:0]UHPI_HD[16]/HHWILUHPI_HD[31:17]UHPI_HAS(B)UHPI_HBE[1:0](C)UHPI_HRWUHPI_HDS[2](G)UHPI

www.ti.comEM_D[31:16]/UHPI_HA[15:0](A)UHPI_HCNTL[1:0]UHPI_HD[15:0]UHPI_HD[16]/HHWILUHPI_HD[31:17]UHPI_HAS(B)UHPI_HBE[3:0]UHPI_HRWUHPI_HDS[2]UHPI_HDS[1

www.ti.comEM_D[31:16]/UHPI_HA[15:0]UHPI_HCNTL[1:0]UHPI_HD[15:0]UHPI_HD[16]/HHWILUHPI_HD[31:17]UHPI_HAS(B)UHPI_HBE[3:0]UHPI_HRWUHPI_HDS[2]UHPI_HDS[1]UH

www.ti.com4.12.2 UHPI Peripheral Registers Description(s)TMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2

www.ti.comContentsTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 20071 TMS320C6727

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007The UHPI has several

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 200731 8Reserved7 0HPIAMS

www.ti.com4.12.3 UHPI Electrical Data/TimingTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007Table 4-16. UHPI Read

www.ti.com13141315161516132741718345UHPI_HCSUHPI_HDSxUHPI_HRWUHPI_HA[15:0]UHPI_HD[31:0](Read)UHPI_HD[31:0](Write)UHPI_HRDYValid ValidRead dataWrite da

www.ti.comUHPI_HCSUHPI_HASUHPI_HRWUHPI_HHWILHSTROBE(A)UHPI_HD[15:0]UHPI_HRDY2313791014238121112111211137613133791036UHPI_HCNTL[1:0]121112111211TMS320C

www.ti.comUHPI_HCSUHPI_HASUHPI_HCNTL[1:0]UHPI_HRWUHPI_HHWILHSTROBE(A)UHPI_HD[15:0]UHPI_HRDY16153713141615371331231238746TMS320C6727, TMS320C6726, TMS3

www.ti.comUHPI_HCSUHPI_HASUHPI_HCNTL[1:0]UHPI_HRWUHPI_HHWILHSTROBE(A)UHPI_HD[15:0]UHPI_HRDY3451718171834543837131615141316153735TMS320C6727, TMS320C67

www.ti.com4.13 Multichannel Audio Serial Ports (McASP0, McASP1, and McASP2)Receive LogicClock/Frame GeneratorState MachineClock Check andSerializer 0S

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007The three McASPs on C

www.ti.com2 Device Overview2.1 Device CharacteristicsTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005

www.ti.com4.13.1 McASP Peripheral Registers Description(s)TMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007Table 4-18. McASP Reg

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007Table 4-18. McASP Reg

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007Figure 4-26 shows the

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007Figure 4-27 shows the

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007Figure 4-28 shows the

www.ti.com4.13.2 McASP Electrical Data/TimingTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISE

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007Table 4-23. McASP Swi

www.ti.com87443221A0 A1 B0 B1A30 A31 B30 B31 C0 C1 C2 C3 C31AHCLKR/X (Falling Edge Polarity)AHCLKR/X (Rising Edge Polarity)AFSR/X (Bit Width, 0 Bit De

www.ti.com15141313131313131312121110109A0 A1 B0 B1A30 A31 B30 B31 C0 C1 C2 C3 C31AHCLKR/X (Falling Edge Polarity) AHCLKR/X (Rising Edge Polarity) AFSR

www.ti.com2.2 Enhanced C67x+ CPU.D1 .M1 .S1 .L1Register File AData Path ACrossPaths.D2 .M2 .S2 .L2Register File BData Path BTMS320C6727, TMS320C6726,

www.ti.com4.14 Serial Peripheral Interface Ports (SPI0, SPI1)4.14.1 SPI Device-Specific InformationPeripheral Configuration BusInterrupt andDMA Reque

www.ti.comOptional − Slave Chip SelectOptional Enable (Ready)SLAVE SPIMASTER SPISPIx_SIMOSPIx_SIMOSPIx_SOMI SPIx_SOMISPIx_CLK SPIx_CLKSPIx_ENA SPIx_EN

www.ti.com4.14.2 SPI Peripheral Registers Description(s)TMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 20

www.ti.com4.14.3 SPI Electrical Data/TimingTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007Table 4-26. General T

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007Table 4-27. Additiona

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007Table 4-29. Additiona

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007Table 4-30. Additiona

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007Table 4-32. Additiona

www.ti.comSPIx_CLKSPI_SIMOSPI_SOMISPIx_CLKSPI_SIMOSPI_SOMISPIx_CLKSPI_SIMOSPI_SOMISPIx_CLKSPI_SIMOSPI_SOMIMO(0) MO(1) MO(n−1) MO(n)MI(0) MI(1) MI(n−1)

www.ti.com2.3 CPU Interrupt AssignmentsTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANU

www.ti.comSPIx_CLKSPI_SIMOSPI_SOMISPIx_CLKSPI_SIMOSPI_SOMISPIx_CLKSPI_SIMOSPI_SOMISPIx_CLKSPI_SIMOSPI_SOMISI(0) SI(1) SI(n−1) SI(n)SO(0) SO(1) SO(n−1)

www.ti.comMASTER MODE 4 PIN WITH CHIP SELECTSPIx_CLKSPI_SIMOSPI_SOMISPIx_ENASPIx_CLKSPI_SIMOSPI_SOMISPIx_SCSSPIx_CLKSPI_SIMOSPI_SOMISPIx_ENASPIx_SCSMO

www.ti.com27SPIx_CLKSPI_SOMISPI_SIMOSPIx_ENASPIx_CLKSPI_SOMISPI_SIMOSPIx_SCSSPIx_CLKSPI_SOMISPI_SIMOSPIx_ENASPIx_SCSSO(0)SO(1) SO(n−1) SO(n)SI(0) SI(1

www.ti.com4.15 Inter-Integrated Circuit Serial Ports (I2C0, I2C1)4.15.1 I2C Device-Specific InformationPeripheral ConfigurationBusNoiseFilterNoiseFilt

www.ti.com4.15.2 I2C Peripheral Registers Description(s)TMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 20

www.ti.com4.15.3 I2C Electrical Data/TimingTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED

www.ti.com1084371256142313Stop Start RepeatedStartStopI2Cx_SDAI2Cx_SCL111 92523191822272021171828Stop Start RepeatedStartStopI2Cx_SDAI2Cx_SCL1626 24TM

www.ti.com4.16 Real-Time Interrupt (RTI) Timer With Digital Watchdog4.16.1 RTI/Digital Watchdog Device-Specific InformationMcASP0,1,2Transmit/ReceiveD

www.ti.com4.16.2 RTI/Digital Watchdog Registers Description(s)TMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E –

www.ti.comTMS320C6727, TMS320C6726, TMS320C6722Floating-Point Digital Signal ProcessorsSPRS268E – MAY 2005 – REVISED JANUARY 2007Table 4-36. RTI Regis