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Texas Instruments TMS320C6727, TMS320C6726, TMS320C6722, SPI Peripheral Registers Descriptions

Models: TMS320C6726 TMS320C6722 TMS320C6727

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4.14.2 SPI Peripheral Registers Description(s)

TMS320C6727, TMS320C6726, TMS320C6722

Floating-Point Digital Signal Processors

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SPRS268E –MAY 2005 –REVISED JANUARY 2007

4.14.2 SPI Peripheral Registers Description(s)

Table 4-24is a list of the SPI registers.

Table 4-24. SPIx Configuration Registers

	SPI0	SPI1	REGISTER NAME	DESCRIPTION
	BYTE ADDRESS	BYTE ADDRESS	REGISTER NAME	DESCRIPTION
	BYTE ADDRESS	BYTE ADDRESS
	0x4700 0000	0x4800 0000	SPIGCR0	Global Control Register 0
	0x4700 0004	0x4800 0004	SPIGCR1	Global Control Register 1
	0x4700 0008	0x4800 0008	SPIINT0	Interrupt Register
	0x4700 000C	0x4800 000C	SPILVL	Interrupt Level Register
	0x4700 0010	0x4800 0010	SPIFLG	Flag Register
	0x4700 0014	0x4800 0014	SPIPC0	Pin Control Register 0 (Pin Function)
	0x4700 0018	0x4800 0018	SPIPC1	Pin Control Register 1 (Pin Direction)
	0x4700 001C	0x4800 001C	SPIPC2	Pin Control Register 2 (Pin Data In)
	0x4700 0020	0x4800 0020	SPIPC3	Pin Control Register 3 (Pin Data Out)
	0x4700 0024	0x4800 0024	SPIPC4	Pin Control Register 4 (Pin Data Set)
	0x4700 0028	0x4800 0028	SPIPC5	Pin Control Register 5 (Pin Data Clear)
	0x4700 002C	0x4800 002C	Reserved	Reserved - Do not write to this register
	0x4700 0030	0x4800 0030	Reserved	Reserved - Do not write to this register
	0x4700 0034	0x4800 0034	Reserved	Reserved - Do not write to this register
	0x4700 0038	0x4800 0038	SPIDAT0	Shift Register 0 (without format select)
	0x4700 003C	0x4800 003C	SPIDAT1	Shift Register 1 (with format select)
	0x4700 0040	0x4800 0040	SPIBUF	Buffer Register
	0x4700 0044	0x4800 0044	SPIEMU	Emulation Register
	0x4700 0048	0x4800 0048	SPIDELAY	Delay Register
	0x4700 004C	0x4800 004C	SPIDEF	Default Chip Select Register
	0x4700 0050	0x4800 0050	SPIFMT0	Format Register 0
	0x4700 0054	0x4800 0054	SPIFMT1	Format Register 1
	0x4700 0058	0x4800 0058	SPIFMT2	Format Register 2
	0x4700 005C	0x4800 005C	SPIFMT3	Format Register 3
	0x4700 0060	0x4800 0060	TGINTVECT0	Interrupt Vector for SPI INT0
	0x4700 0064	0x4800 0064	TGINTVECT1	Interrupt Vector for SPI INT1

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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