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Texas Instruments TMS320C6727, TMS320C6726, TMS320C6722, 5.C6726/C6722 DSP 16-BitEMIF Example

Models: TMS320C6726 TMS320C6722 TMS320C6727

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Figure 4-5. C6726/C6722 DSP 16-Bit EMIF Example

TMS320C6727, TMS320C6726, TMS320C6722

Floating-Point Digital Signal Processors

SPRS268E –MAY 2005 –REVISED JANUARY 2007

C6726/C6722

DSP EMIF

EM_CS[0]

EM_CAS

EM_RAS

EM_WE

EM_CLK

EM_CKE

EM_BA[1:0]

EM_A[11:0]

EM_

_DQM[0]

EM_

_DQM[1]

EM_D[15:0]

EM_CS[2]

EM_RW

EM_OE

EM_BA[1]

GPIO

(6 Pins)

RESET

Any GPIO-capable pins which can be pulled down at reset can be used to control A[18:13] for FLASH BOOTLOAD

Examples: AHCLKR0, SPI0_SCS/SCL1

www.ti.com

SDRAM

2M x 16 x 4 Bank

CAS

RAS

CLK

CKE

BA[1:0]

A[11:0]

LDQM

UDQM

DQ[15:0]

FLASH 512K x 16

A[0]

A[12:1]

DQ[15:0]

RESET

A[18:13]

RY/BY

Figure 4-5. C6726/C6722 DSP 16-Bit EMIF Example

Peripheral and Electrical Specifications

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Texas Instruments warranty TMS320C6727, TMS320C6726, TMS320C6722, Floating-PointDigital Signal Processors

Contents

1 TMS320C6727, TMS320C6726, TMS320C6722 DSPs Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 1.1 FeaturesTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal Processors1.2 Description TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsThe UHPI is only available on the C6727 TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal Processors1.2.1 Device Compatibility Figure 1-1.C672x DSP Block Diagram Floating-PointDigital Signal Processors1.3 Functional Block Diagram TMS320C6727, TMS320C6726, TMS320C6722Revision History Phase-LockedLoop PLLApplication Example Mechanical Data2.1 Device Characteristics 2 Device OverviewFloating-PointDigital Signal Processors Table 2-1.Characteristics of the C672x Processors2.2 Enhanced C67x+ CPU Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 Figure 2-1.CPU Data Paths2.3 CPU Interrupt Assignments Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 Table 2-3.CPU Interrupt Assignments2.4 Internal Program/Data ROM and RAM Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 Figure 2-2.Program/Data ROM Organization2.5 Program Cache Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 Table 2-4.Program Cache Control RegistersFigure 2-4.Block Diagram of Crossbar Switch Floating-PointDigital Signal Processors2.6 High-PerformanceCrossbar Switch TMS320C6727, TMS320C6726, TMS320C6722TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsTable 2-6.Bus Bridges TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsRESET VALUE Figure 2-5.CFGBRIDGE Register Bit Layout2.7 Memory Map Summary Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 Table 2-8.C672x Memory Map2.8 Boot Modes Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 Figure 2-6.CFGPIN0 Register Bit Layout Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 Submit Documentation FeedbackFigure 2-7.CFGPIN1 Register Bit Layout Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 Device Overview2.9 Pin Assignments Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 2.9.1Pin MapsSubmit Documentation Feedback Device OverviewSPRS268E -MAY2005 -REVISEDJANUARY 2.9.2Terminal Functions Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 Table 2-12.Terminal FunctionsTable 2-12.Terminal Functions continued Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 Device OverviewTable 2-12.Terminal Functions continued Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 Submit Documentation FeedbackTable 2-12.Terminal Functions continued Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 AHCLKR0/AHCLKR1Table 2-12.Terminal Functions continued Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 Submit Documentation Feedback2.10 Development Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 2.10.1 Development SupportFigure 2-10.TMS320C672x DSP Device Nomenclature Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 TMS 320 C6727 GDH ATMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal Processors2.10.2.2 Documentation Support TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsDevice Overview 3.1 Device Configuration Registers 3 Device ConfigurationsFloating-PointDigital Signal Processors Table 3-1. Device-LevelConfiguration RegistersTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal Processors3.3 Peripheral Pin Multiplexing Control TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsDevice Configurations FIRST PRIORITY4.1 Electrical Specifications 4 Peripheral and Electrical SpecificationsFloating-PointDigital Signal Processors TMS320C6727, TMS320C6726, TMS320C6722Peripheral and Electrical Specifications Floating-PointDigital Signal ProcessorsElectrical Characteristics TMS320C6727, TMS320C6726, TMS320C67224.5.1.2 Signal Transition Rates Floating-PointDigital Signal Processors4.5.1.1 Signal Transition Levels TMS320C6727, TMS320C6726, TMS320C6722Letters and symbols and their meanings Floating-PointDigital Signal Processors4.6 Timing Parameter Symbology TMS320C6727, TMS320C6726, TMS320C67224.7.1Power-SupplySequencing Floating-PointDigital Signal Processors4.7 Power Supplies 4.7.2Power-SupplyDecoupling4.8.1Reset Electrical Data/Timing Floating-PointDigital Signal Processors4.8 Reset Table 4-1.Reset Timing Requirements4.9 Dual Data Movement Accelerator dMAX Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 4.9.1dMAX Device-SpecificInformationPeripheral and Electrical Specifications Floating-PointDigital Signal ProcessorsFigure 4-4.dMAX Controller Block Diagram TMS320C6727, TMS320C6726, TMS320C6722TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsThe dMAX controller comprises TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications Table 4-2.dMAX Peripheral Event Input AssignmentsPeripheral and Electrical Specifications Floating-PointDigital Signal ProcessorsTable 4-3.dMAX Configuration Registers TMS320C6727, TMS320C6726, TMS320C6722TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal Processors4.10 External Interrupts 4.11 External Memory Interface EMIF Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 4.11.1 EMIF Device-SpecificInformationTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications Figure 4-5.C6726/C6722 DSP 16-BitEMIF ExampleTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications Figure 4-6.C6727 DSP 32-BitEMIF ExampleTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications 4.11.2 EMIF Peripheral Registers DescriptionsTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications 4.11.3 EMIF Electrical Data/TimingTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal Processorsrising TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications Figure 4-7.Basic SDRAM Write OperationTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications Figure 4-9.Asynchronous Read WE Strobe ModeTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications Figure 4-11.Asynchronous Write WE Strobe ModeTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications Figure 4-13.EM WAIT Timing Requirements4.12 Universal Host-PortInterface UHPI C6727 Only Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 4.12.1 UHPI Device-SpecificInformationEM D31 16/UHPI HA15 0 UHPI HCNTL1 0 UHPI HD15 Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 UHPI HD16/HHWIL UHPI HD31 17 UHPI HASBTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications EM D31 16/UHPI HA15 0 UHPI HCNTL1 0 UHPI HD15DSP EM D31 16/UHPI HA15 0 UHPI HCNTL1 Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 UHPI HD15 0 UHPI HD16/HHWIL UHPI HD31Peripheral and Electrical Specifications Floating-PointDigital Signal ProcessorsTable 4-11.UHPI Configuration Registers TMS320C6727, TMS320C6726, TMS320C6722Peripheral and Electrical Specifications Floating-PointDigital Signal ProcessorsRESET TMS320C6727, TMS320C6726, TMS320C6722TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsFigure 4-20.CFGHPIAUMB Register Bit Layout TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal Processors4.12.3 UHPI Electrical Data/Timing TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications Case 1. HPIC or HPIA readTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications Figure 4-21. Non-MultiplexedRead/Write TimingsTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications A.See FigureTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications A.See FigureTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications A.See FigureFigure 4-25.McASP Block Diagram Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 CLOCK PINS Floating-PointDigital Signal ProcessorsTable 4-17.McASP Configurations on C672x DSP DATA PINSTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications 4.13.1 McASP Peripheral Registers DescriptionsTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications 0x4400TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications 0x4500TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications Figure 4-26.CFGMCASP0 Register Bit LayoutTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsBIT NO TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications Figure 4-28.CFGMCASP2 Register Bit LayoutTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications 4.13.2 McASP Electrical Data/TimingPeripheral and Electrical Specifications Floating-PointDigital Signal ProcessorsTable 4-23.McASP Switching Characteristics1 TMS320C6727, TMS320C6726, TMS320C6722TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications Figure 4-29.McASP Input TimingsTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications Figure 4-30.McASP Output TimingsTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsFigure 4-31.Block Diagram of SPI Module 4.14 Serial Peripheral Interface Ports SPI0, SPI1TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications Submit Documentation FeedbackPeripheral and Electrical Specifications Floating-PointDigital Signal ProcessorsTable 4-24.SPIx Configuration Registers TMS320C6727, TMS320C6726, TMS320C6722TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications 4.14.3 SPI Electrical Data/TimingTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications Cycle Time, SPIx CLK, All Slave ModesMAX UNIT Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 MIN MAX UNIT 2PPeripheral and Electrical Specifications Floating-PointDigital Signal ProcessorsPolarity = 0, Phase = 0, from SPIx CLK falling TMS320C6727, TMS320C6726, TMS320C6722Delay from final Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 Peripheral and Electrical Specifications Floating-PointDigital Signal ProcessorsPolarity = 0, Phase = 0, from SPIx CLK falling TMS320C6727, TMS320C6726, TMS320C6722TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications Figure 4-33.SPI Timings-MasterModeTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications Figure 4-34.SPI Timings-SlaveModeTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications Figure 4-35.SPI Timings-MasterMode 4-Pinand 5-PinTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications Figure 4-36.SPI Timings-SlaveMode 4-Pinand 5-PinTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsFigure 4-37.I2C Module Block Diagram 4.15.1 I2C Device-SpecificInformationPeripheral and Electrical Specifications Floating-PointDigital Signal ProcessorsTable 4-33.I2Cx Configuration Registers TMS320C6727, TMS320C6726, TMS320C6722Peripheral and Electrical Specifications Floating-PointDigital Signal ProcessorsTable 4-35.I2C Switching Characteristics1 TMS320C6727, TMS320C6726, TMS320C6722TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal Processors96Peripheral and Electrical Specifications Figure 4-38.I2C Receive TimingsFigure 4-40.RTI Timer Block Diagram Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsTable 4-36.RTI Registers Peripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C6722Floating-PointDigital Signal Processors Table 4-36.RTI Registers continuedTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsFigure 4-42.C672x Clock Input Options TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications 4.17.1 Clock Electrical Data/TimingTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal Processors4.18 Phase-LockedLoop PLL 4.18.1 PLL Device-SpecificInformationTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsFigure 4-44.PLL Power Supply Filter Table 4-40.Allowed PLL Operating ConditionsTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications 4.18.2 PLL Registers DescriptionsFigure 5-1.TMS320C672x Audio DSP System Diagram 5 Application ExampleFloating-PointDigital Signal Processors TMS320C6727, TMS320C6726, TMS320C6722TMS320C6727, TMS320C6726, TMS320C6722 6 Revision HistoryFloating-PointDigital Signal Processors ADDS/CHANGES/DELETES7.1 Package Thermal Resistance Characteristics 7 Mechanical DataFloating-PointDigital Signal Processors Table 7-2.Thermal Characteristics for RFP Package7.2.1Standoff Height Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 Standoff HeightTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal Processors7.2.2PowerPAD PCB Footprint 7.3 Packaging InformationPage PACKAGE OPTION ADDENDUM PACKAGING INFORMATIONPage Page Products IMPORTANT NOTICEApplications