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Texas Instruments TMS320C6727, TMS320C6726, TMS320C6722, 6.C6727 DSP 32-BitEMIF Example

Models: TMS320C6726 TMS320C6722 TMS320C6727

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Figure 4-6. C6727 DSP 32-Bit EMIF Example

TMS320C6727, TMS320C6726, TMS320C6722

Floating-Point Digital Signal Processors

www.ti.com

SPRS268E –MAY 2005 –REVISED JANUARY 2007

C6727
DSP EMIF
	EM_CS[0]
	EM_CAS
	EM_RAS
	EM_WE
	EM_CLK
	EM_CKE
	EM_BA[1:0]
	EM_A[12:0]
EM_WE_DQM[0]
EM_WE_DQM[1]
	EM_D[15:0]
EM_WE_DQM[2]
EM_WE_DQM[3]
EM_D[31:16]/UHPI_HA[15:0]
	EM_CS[2]
	EM_RW
	EM_OE
	EM_WAIT
	GPIO
RESET	(5 Pins)
RESET
RESET
	EM_BA[1]

Any GPIO-capable pins which can be pulled down at reset can be used to control A[18:14] for FLASH BOOTLOAD

Examples: AHCLKR0, SPI0_SCS/SCL1

SDRAM

4M x 16 x 4 Bank

CAS

RAS

CLK

CKE

BA[1:0]

A[12:0]

LDQM

UDQM

DQ[15:0]

SDRAM

4M x 16 x 4 Bank

CAS

RAS

CLK

CKE

BA[1:0]

A[12:0]

LDQM

UDQM

DQ[15:0]

FLASH

512K x 16

A[0]

A[13:1]

DQ[15:0]

RESET

A[18:14]

RY/BY

Figure 4-6. C6727 DSP 32-Bit EMIF Example

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Peripheral and Electrical Specifications

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

Contents

1.1 Features Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 1 TMS320C6727, TMS320C6726, TMS320C6722 DSPs1.2 Description Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 The UHPI is only available on the C6727 Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 1.2.1 Device Compatibility Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal Processors1.3 Functional Block Diagram Figure 1-1.C672x DSP Block DiagramMechanical Data Phase-LockedLoop PLLApplication Example Revision HistoryTable 2-1.Characteristics of the C672x Processors 2 Device OverviewFloating-PointDigital Signal Processors 2.1 Device CharacteristicsFigure 2-1.CPU Data Paths Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 2.2 Enhanced C67x+ CPUTable 2-3.CPU Interrupt Assignments Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 2.3 CPU Interrupt AssignmentsFigure 2-2.Program/Data ROM Organization Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 2.4 Internal Program/Data ROM and RAMTable 2-4.Program Cache Control Registers Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 2.5 Program CacheTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal Processors2.6 High-PerformanceCrossbar Switch Figure 2-4.Block Diagram of Crossbar SwitchTable 2-6.Bus Bridges Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 Figure 2-5.CFGBRIDGE Register Bit Layout Floating-PointDigital Signal ProcessorsRESET VALUE TMS320C6727, TMS320C6726, TMS320C6722Table 2-8.C672x Memory Map Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 2.7 Memory Map SummaryTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal Processors2.8 Boot Modes Submit Documentation Feedback Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 Figure 2-6.CFGPIN0 Register Bit LayoutDevice Overview Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 Figure 2-7.CFGPIN1 Register Bit Layout2.9.1Pin Maps Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 2.9 Pin AssignmentsSPRS268E -MAY2005 -REVISEDJANUARY Device OverviewSubmit Documentation Feedback Table 2-12.Terminal Functions Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 2.9.2Terminal FunctionsDevice Overview Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 Table 2-12.Terminal Functions continuedSubmit Documentation Feedback Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 Table 2-12.Terminal Functions continuedAHCLKR0/AHCLKR1 Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 Table 2-12.Terminal Functions continuedSubmit Documentation Feedback Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 Table 2-12.Terminal Functions continued2.10.1 Development Support Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 2.10 DevelopmentTMS 320 C6727 GDH A Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 Figure 2-10.TMS320C672x DSP Device Nomenclature2.10.2.2 Documentation Support Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 Device Overview Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 Table 3-1. Device-LevelConfiguration Registers 3 Device ConfigurationsFloating-PointDigital Signal Processors 3.1 Device Configuration Registers3.3 Peripheral Pin Multiplexing Control Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 FIRST PRIORITY Floating-PointDigital Signal ProcessorsDevice Configurations TMS320C6727, TMS320C6726, TMS320C6722TMS320C6727, TMS320C6726, TMS320C6722 4 Peripheral and Electrical SpecificationsFloating-PointDigital Signal Processors 4.1 Electrical SpecificationsTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsElectrical Characteristics Peripheral and Electrical SpecificationsTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal Processors4.5.1.1 Signal Transition Levels 4.5.1.2 Signal Transition RatesTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal Processors4.6 Timing Parameter Symbology Letters and symbols and their meanings4.7.2Power-SupplyDecoupling Floating-PointDigital Signal Processors4.7 Power Supplies 4.7.1Power-SupplySequencingTable 4-1.Reset Timing Requirements Floating-PointDigital Signal Processors4.8 Reset 4.8.1Reset Electrical Data/Timing4.9.1dMAX Device-SpecificInformation Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 4.9 Dual Data Movement Accelerator dMAXTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsFigure 4-4.dMAX Controller Block Diagram Peripheral and Electrical SpecificationsThe dMAX controller comprises Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 Table 4-2.dMAX Peripheral Event Input Assignments Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C6722TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsTable 4-3.dMAX Configuration Registers Peripheral and Electrical Specifications4.10 External Interrupts Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 4.11.1 EMIF Device-SpecificInformation Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 4.11 External Memory Interface EMIFFigure 4-5.C6726/C6722 DSP 16-BitEMIF Example Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C6722Figure 4-6.C6727 DSP 32-BitEMIF Example Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C67224.11.2 EMIF Peripheral Registers Descriptions Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C67224.11.3 EMIF Electrical Data/Timing Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C6722rising Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 Figure 4-7.Basic SDRAM Write Operation Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C6722Figure 4-9.Asynchronous Read WE Strobe Mode Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C6722Figure 4-11.Asynchronous Write WE Strobe Mode Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C6722Figure 4-13.EM WAIT Timing Requirements Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C67224.12.1 UHPI Device-SpecificInformation Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 4.12 Universal Host-PortInterface UHPI C6727 OnlyUHPI HD16/HHWIL UHPI HD31 17 UHPI HASB Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 EM D31 16/UHPI HA15 0 UHPI HCNTL1 0 UHPI HD15EM D31 16/UHPI HA15 0 UHPI HCNTL1 0 UHPI HD15 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C6722UHPI HD15 0 UHPI HD16/HHWIL UHPI HD31 Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 DSP EM D31 16/UHPI HA15 0 UHPI HCNTL1TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsTable 4-11.UHPI Configuration Registers Peripheral and Electrical SpecificationsTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsRESET Peripheral and Electrical SpecificationsFigure 4-20.CFGHPIAUMB Register Bit Layout Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 4.12.3 UHPI Electrical Data/Timing Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 Case 1. HPIC or HPIA read Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C6722Figure 4-21. Non-MultiplexedRead/Write Timings Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C6722A.See Figure Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C6722A.See Figure Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C6722A.See Figure Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C6722TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsFigure 4-25.McASP Block Diagram DATA PINS Floating-PointDigital Signal ProcessorsTable 4-17.McASP Configurations on C672x DSP CLOCK PINS4.13.1 McASP Peripheral Registers Descriptions Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C67220x4400 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C67220x4500 Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C6722Figure 4-26.CFGMCASP0 Register Bit Layout Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C6722BIT NO Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 Figure 4-28.CFGMCASP2 Register Bit Layout Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C67224.13.2 McASP Electrical Data/Timing Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C6722TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsTable 4-23.McASP Switching Characteristics1 Peripheral and Electrical SpecificationsFigure 4-29.McASP Input Timings Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C6722Figure 4-30.McASP Output Timings Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C67224.14 Serial Peripheral Interface Ports SPI0, SPI1 Floating-PointDigital Signal ProcessorsFigure 4-31.Block Diagram of SPI Module TMS320C6727, TMS320C6726, TMS320C6722Submit Documentation Feedback Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C6722TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsTable 4-24.SPIx Configuration Registers Peripheral and Electrical Specifications4.14.3 SPI Electrical Data/Timing Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C6722Cycle Time, SPIx CLK, All Slave Modes Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C6722MIN MAX UNIT 2P Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 MAX UNITTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPolarity = 0, Phase = 0, from SPIx CLK falling Peripheral and Electrical SpecificationsTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsDelay from final TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsPolarity = 0, Phase = 0, from SPIx CLK falling Peripheral and Electrical SpecificationsFigure 4-33.SPI Timings-MasterMode Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C6722Figure 4-34.SPI Timings-SlaveMode Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C6722Figure 4-35.SPI Timings-MasterMode 4-Pinand 5-Pin Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C6722Figure 4-36.SPI Timings-SlaveMode 4-Pinand 5-Pin Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C67224.15.1 I2C Device-SpecificInformation Floating-PointDigital Signal ProcessorsFigure 4-37.I2C Module Block Diagram TMS320C6727, TMS320C6726, TMS320C6722TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsTable 4-33.I2Cx Configuration Registers Peripheral and Electrical SpecificationsTMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsTable 4-35.I2C Switching Characteristics1 Peripheral and Electrical SpecificationsFigure 4-38.I2C Receive Timings Floating-PointDigital Signal Processors96Peripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C6722TMS320C6727, TMS320C6726, TMS320C6722 Floating-PointDigital Signal ProcessorsFigure 4-40.RTI Timer Block Diagram Table 4-36.RTI Registers Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 Table 4-36.RTI Registers continued TMS320C6727, TMS320C6726, TMS320C6722Floating-PointDigital Signal Processors Peripheral and Electrical SpecificationsFigure 4-42.C672x Clock Input Options Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 4.17.1 Clock Electrical Data/Timing Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C67224.18.1 PLL Device-SpecificInformation Floating-PointDigital Signal Processors4.18 Phase-LockedLoop PLL TMS320C6727, TMS320C6726, TMS320C6722Table 4-40.Allowed PLL Operating Conditions Floating-PointDigital Signal ProcessorsFigure 4-44.PLL Power Supply Filter TMS320C6727, TMS320C6726, TMS320C67224.18.2 PLL Registers Descriptions Floating-PointDigital Signal ProcessorsPeripheral and Electrical Specifications TMS320C6727, TMS320C6726, TMS320C6722TMS320C6727, TMS320C6726, TMS320C6722 5 Application ExampleFloating-PointDigital Signal Processors Figure 5-1.TMS320C672x Audio DSP System DiagramADDS/CHANGES/DELETES 6 Revision HistoryFloating-PointDigital Signal Processors TMS320C6727, TMS320C6726, TMS320C6722Table 7-2.Thermal Characteristics for RFP Package 7 Mechanical DataFloating-PointDigital Signal Processors 7.1 Package Thermal Resistance CharacteristicsStandoff Height Floating-PointDigital Signal ProcessorsTMS320C6727, TMS320C6726, TMS320C6722 7.2.1Standoff Height7.3 Packaging Information Floating-PointDigital Signal Processors7.2.2PowerPAD PCB Footprint TMS320C6727, TMS320C6726, TMS320C6722Page PACKAGING INFORMATION PACKAGE OPTION ADDENDUMPage Page Applications IMPORTANT NOTICEProducts