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Texas Instruments TMS320F28015, TMS320F2809, TMS320F2808, TMS320C2802 Enhanced QEP Modules eQEP1/2

Models: TMS320F28016 TMS320F2801 TMS320F2802 TMS320F28015 TMS320C2801 TMS320F2806 TMS320F2808 TMS320F2809 TMS320C2802

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TMS320F2809, TMS320F2808, TMS320F2806

TMS320F2802, TMS320F2801, TMS320C2802

TMS320C2801, TMS320F28016, TMS320F28015

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SPRS230L –OCTOBER 2003 –REVISED DECEMBER 2009

4.5Enhanced QEP Modules (eQEP1/2)

The 280x device contains up to two enhanced quadrature encoder (eQEP) modules. See the TMS320x280x, 2801x, 2804x Enhanced Quadrature Encoder Pulse (eQEP) Module Reference Guide (literature number SPRU790) for more details.

System

control registers

To CPU

	EQEPxENCLK
SYSCLKOUT				Data bus
				Data bus
			QCPRD
	QCAPCTL		QCTMR
	16		16
16
		Quadrature
QCTMRLAT		capture unit
QCTMRLAT		(QCAP)
		(QCAP)
QCPRDLAT
Registers	QUTMR		QWDTMR
Registers
used by	QUPRD		QWDPRD
multiple units	32		16
	32		16
QEPCTL
QEPSTS	UTIME	UTOUT	QWDOG		QDECCTL
QFLG	UTIME		QWDOG		QDECCTL
QFLG
			WDTOUT		16
			WDTOUT
EQEPxINT				QCLK		EQEPxAIN
EQEPxINT				QCLK		EQEPxBIN
PIE				QDIR		EQEPxBIN
				QDIR		EQEPxIIN
16				QI		EQEPxIIN
16	Position counter/
					Quadrature	EQEPxIOUT

		control unit		QS
		control unit		QS	decoder	EQEPxIOE
		(PCCU)			decoder
QPOSLAT				PHE	(QDU)

						EQEPxSIN
QPOSSLAT				PCSOUT		EQEPxSIN
QPOSSLAT				PCSOUT		EQEPxSOUT
QPOSILAT						EQEPxSOUT
QPOSILAT						EQEPxSOE
						EQEPxSOE
	32	32	16
	QPOSCNT	QPOSCMP	QEINT
	QPOSINIT		QFRC
	QPOSMAX		QCLR
			QPOSCTL
	Enhanced QEP (eQEP) peripheral

Figure 4-6. eQEP Functional Block Diagram

GPIO MUX

EQEPxA/XCLK

EQEPxB/XDIR

EQEPxI

EQEPxS

Copyright © 2003–2009, Texas Instruments Incorporated

Peripherals

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Product Folder Link(s): TMS320F2809 TMS320F2808 TMS320F2806 TMS320F2802 TMS320F2801 TMS320C2802

TMS320C2801 TMS320F28016 TMS320F28015

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Texas Instruments TMS320F28015, TMS320F2809, TMS320F2808, TMS320C2802, TMS320C2801, TMS320F28016 Enhanced QEP Modules eQEP1/2

Contents

Data Manual ROM Gpio MUX ROM Timing C280x only Typical Operational Power Versus Frequency F2808 Warm Reset TMS320F2809, TMS320F2808, TMS320F2806 Xclkin Timing Requirements PLL Enabled Check for Features Acquire the appropriate development tools Getting StartedDownload starter software Download flash programming software Introduction Feature TYPE1 Hardware Features 100-MHz Devices Feature Hardware Features 60-MHz Devices TMS320F2809, TMS320F2808 100-Pin PZ Lqfp Top View Pin Assignments TMS320F2806 100-Pin PZ Lqfp Top View On the C280x devices, the VDD3VFL pin is Vddio TMS320F2801x 100-Pin PZ Lqfp Top View Bottom View Signal Descriptions Signal Descriptions ADC Signals ResetCPU and I/O Power Pins Gpioa and Peripheral Signals 2 Signal Descriptions TMS320C2801, TMS320F28016, TMS320F28015 TMS320F2809, TMS320F2808, TMS320F2806 GPIO33 Protected by the CODE-SECURITY Module Functional Block Diagram F2809 Memory Map Memory Maps F2808 Memory Map F2806 Memory Map F2802, C2802 Memory Map F2801, F28015, F28016, C2801 Memory Map Addresses of Flash Sectors in F2808 Addresses of Flash Sectors in F2809Addresses of Flash Sectors in F2806, F2802 Address Range Program and Data Space Addresses of Flash Sectors in F2801, F28015, F28016 Impact of Using the Code Security ModuleAddress Flash ROM Area WAIT-STATES Comments Wait-statesOTP H0 Saram 1 C28x CPU Brief DescriptionsMemory Bus Harvard Bus Architecture Peripheral Bus Flash Real-Time Jtag and Analysis6 ROM 7 M0, M1 SARAMs Boot Mode Selection Boot ROM8 L0, L1, H0 SARAMs Disclaimer Code Security Module Disclaimer Security Peripheral Interrupt Expansion PIE Block Low-Power ModesExternal Interrupts XINT1, XINT2, Xnmi Oscillator and PLL Peripheral Frames 0, 1, 2 PFn 19 32-Bit CPU-Timers 0, 1General-Purpose Input/Output Gpio Multiplexer Control Peripherals Register Map Serial Port Peripherals Peripheral Frame 0 Registers1 Access TypePeripheral Frame 1 Registers1 Name Address Range Interrupts Device Emulation Registers10. Peripheral Frame 2 Registers1 11. Device Emulation Registers External and PIE Interrupt Sources MUX INT1 INT2 INT11 INT12Intm External Interrupts 13. PIE Configuration and Control Registers14. External Interrupt Registers System Control OSC and PLL Block 15. PLL, Clocking, Watchdog, and Low-Power Mode Registers1 Crystal External Clock Signal Toggling 0 −V DD PLL Mode Remarks Pllstsclkindiv Sysclkout Clkin 17. Possible PLL Configuration ModesPLL-Based Clock Module 16. Pllcr Register Bit Definitions Loss of Input Clock Watchdog Block 18. Low-Power Modes Low-Power Modes BlockLPMCR010 Oscclk Clkin Sysclkout Tddrhtddr 32-Bit CPU-Timers 0/1/2Prdhprd Pschpsc TCR.4 CPU-Timers 0, 1, 2 Configuration and Control Registers Enhanced PWM Modules ePWM1/2/3/4/5/6 EPWM1 EPWM2 EPWM3 EPWM4 EPWM5 EPWM6 Size EPWM Control and Status Registers#SHADOW CTR = Zero Enhanced CAP Modules eCAP1/2/3/4 Hi-Resolution PWM Hrpwm Ctrovf OVF CtrphsRST CTR=PRD CTR=CMP ECAP1 ECAP2 ECAP3 ECAP4 ECAP Control and Status RegistersSize Description Enhanced QEP Modules eQEP1/2 EQEP1 EQEP2 EQEP Control and Status RegistersRegister Description Address #SHADOW Enhanced Analog-to-Digital Converter ADC Module ADCINA0 Sysclkout DSP Adcenclk Halt HspclkADCINA7 ADCINB0 ADCINB7 ADCINB70 ADCINA70Adclo Adcrefin Adcresext ADC Connections if the ADC Is Not Used ADC Registers1 ADC Registers Peripherals TMS320F2802, TMS320F2801, TMS320C2802 TMS320F2809, TMS320F2808, TMS320F2806SN65HVD23x Can Bus 11. eCAN-A Memory Map 12. eCAN-B Memory Map Register Name Can Register Map1ECAN-A ECAN-B Size Description Address Serial Communications Interface SCI Modules SCI-A, SCI-B SCI-B Registers1 SCI-A Registers1 13. Serial Communications Interface SCI Module Block Diagram When Spibrr = 3 to 11. SPI-B Registers 10. SPI-A Registers 13. SPI-D Registers 12. SPI-C Registers −−−−− 14. SPI Module Block Diagram Slave Mode Inter-Integrated Circuit I2C Gpio MUX Sdaa Scla 14. I2C-A RegistersI2CAENCLK I2C−A C28X CPU Sysclkout Sysrs Gpioxnmisel Gpiolmpsel GPIOXINT1SEL GPIOXINT2SEL Gpio Control Registers Eallow Protected 15. Gpio RegistersGpio Data Registers not Eallow Protected GPAMUX1/2 16. F2808 Gpio MUX TableGPAMUX1 GPAMUX2 Sync Sysclkout Time between samples GPyCTRL Reg GPIOx Software Development Tools Device and Development Support Tool NomenclatureHardware Development Tools TMS Temperature RangePrefix Device Family TMS320x280x, 2801x Peripheral Selection Guide Documentation SupportLiterature Peripheral Guide Application Programming Interface API Reference TMS320C28x TMS320x281x to TMS320x2833x or 2823x Migration Overview Application Reports and SoftwareTMS320x280x to TMS320x2833x or 2823x Migration Overview C28x FPU Primer Software SPRA820 Device Support Absolute Maximum Ratings1 Electrical Specifications Recommended Operating Conditions Electrical CharacteristicsMIN NOM MAX Unit Parameter Test Conditions MIN TYP MAX Unit Sysclkout Current Consumption TYP5 MAX6 SCI-A SPI-A ADC TYP4 MAX5 Peripheral DD Current Module Reducing Current ConsumptionADC I2C SCI SPI Current Consumption Graphs Total PowerIDD IDDA18 Iddio Typical Operational Current Versus Frequency C280x Typical Operational Power Versus Frequency C280x EMU0 EMU1 Trst TMS TDI TDO TCK DSP GND Tckret Jtagheader Emulator Connection Without Signal Buffering for the DSP General Notes on Timing Parameters Timing Parameter SymbologyTest Load Circuit 85 pF TMS320x280x Clock Table and Nomenclature 100-MHz Devices Device Clock Table XCLKIN1 Timing Requirements PLL Enabled Clock Requirements and Characteristics10. XCLKIN1 Timing Requirements PLL Disabled Input Clock Frequency Power Management and Supervisory Circuit Solutions Power Sequencing12. Power Management and Supervisory Circuit Solutions Xclkina Xclkoutb OSCCLK/8A Xclkout Xclkout XRS 13. Reset XRS Timing RequirementsOSCCLK/8 General-Purpose Input/Output Gpio 14. General-Purpose Output Switching CharacteristicsGpio Output Timing Sysclkout Oscclk OSCCLK/2 Gpio Input Timing Gpio Signal GPxQSELn = 1,0 6 samplesSysclkout Qualprd = 1 SYSCLKOUT/2 Output From Qualifier Case Sampling Window Width for Input SignalsGPIOxn 16. Idle Mode Timing Requirements1 Low-Power Mode Wakeup Timing17. Idle Mode Switching Characteristics1 Address/Data Internal 19. Standby Mode Switching Characteristics 18. Standby Mode Timing RequirementsTest Conditions MIN NOM MAX Unit Xclkin Xclkout Standby 21. Halt Mode Switching Characteristics 20. Halt Mode Timing Requirements Enhanced Control Peripherals 23. ePWM Switching CharacteristicsEnhanced Pulse Width Modulator ePWM Timing Trip-Zone Input Timing 29. eQEP Switching Characteristics 27. eCAP Switching Characteristics26. Enhanced Capture eCAP Timing Requirement1 MIN TYP MAX Unit External Interrupt Timing 32. External Interrupt Switching Characteristics1Parameter Adcsocbo Serial Peripheral Interface SPI Master Mode Timing 10.4 I2C Electrical Specification and Timing33. I2C Timing Vddio 34. SPI Master Mode External Timing Clock Phase = 0 1 2 3 4 Spisomi Master In Data Must Be Valid SpisimoSpistea 35. SPI Master Mode External Timing Clock Phase = 1 1 2 3 4 Clock polarity = SpiclkData Valid Spisomi 36. SPI Slave Mode External Timing Clock Phase = 01 2 3 4 SPI Slave Mode Timing Spisimo Data Must Be Valid 37. SPI Slave Mode External Timing Clock Phase = 11 2 On-Chip Analog-to-Digital Converter ADC Power-Up Control Bit Timing Converter Analog InputsConversion Modes ADCIN0 AT 12.5 MHz Sample n Sample n + Sequential Sampling Mode Single-Channel Smode =ADC Clock Remarks Simultaneous Sampling Mode Dual-Channel Smode = Detailed Descriptions 44. Flash Endurance for Q Temperature Material1 43. Flash Endurance for a and S Temperature Material146. Flash/OTP Access Timing Flash Timing ROM Timing C280x only 48. ROM/OTP Access TimingSysclkout ns Flash Flash Random OTP WAIT-STATE Migration Issues ADDITIONS, DELETIONS, and Modifications F280x Thermal Model 100-pin PZ Results F280x Thermal Model 100-pin GGM ResultsC280x Thermal Model 100-pin GGM Results C280x Thermal Model 100-pin PZ Results ΨJTC/W F2809 Thermal Model 100-pin PZ Results Orderable Device Package Type Pins Package Qty Eco Plan LeadSamples Package Qty Eco Plan Lead TMS320F2802ZGMS Active TMS320F2802ZGMA ActiveTMS320F2806GGMA Active Microstar TMS320F2806GGMS Active TMS320F2809ZGMS Active TMS320F2809ZGMA Active 10,10 20 TYP GGM S-PBGA-N10040 MAX 4145257-3/C 12/01Page Plastic Quad Flatpack PZ S-PQFP-G100 DSP Products ApplicationsRfid