User manual TEXAS INSTRUMENTS TMS320F28035 DATA MANUAL REV D

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[. . . ] TMS320F28030, TMS320F28031, TMS320F28032 TMS320F28033, TMS320F28034, TMS320F28035 www. ti. com SPRS584D ­ APRIL 2009 ­ REVISED JUNE 2010 Piccolo Microcontrollers Check for Samples: TMS320F28030, TMS320F28031, TMS320F28032, TMS320F28033, TMS320F28034, TMS320F28035 1 TMS320F2803x ( PiccoloTM) MCUs 1. 1 123 Features ­ Low Power ­ No Analog Support Pins Clocking: ­ Two Internal Zero-pin Oscillators ­ On-Chip Crystal Oscillator/External Clock Input ­ Dynamic PLL Ratio Changes Supported ­ Watchdog Timer Module ­ Missing Clock Detection Circuitry Up to 45 Individually Programmable, Multiplexed GPIO Pins With Input Filtering Peripheral Interrupt Expansion (PIE) Block That Supports All Peripheral Interrupts Three 32-Bit CPU Timers Independent 16-Bit Timer in Each ePWM Module On-Chip Memory ­ Flash, SARAM, OTP, Boot ROM Available 128-Bit Security Key/Lock ­ Protects Secure Memory Blocks ­ Prevents Firmware Reverse Engineering Serial Port Peripherals ­ One SCI (UART) Module ­ Two SPI Modules ­ One Inter-Integrated-Circuit (I2C) Bus ­ One Local Interconnect Network (LIN) Bus ­ One Enhanced Controller Area Network (eCAN) Bus Advanced Emulation Features ­ Analysis and Breakpoint Functions ­ Real-Time Debug via Hardware 2803x Packages ­ 64-Pin PAG Thin Quad Flatpack (TQFP) ­ 80-Pin PN Low-Profile Quad Flatpack (LQFP) Community Resources ­ TI E2E Community ­ TI Embedded Processors Wiki · Highlights ­ High-Efficiency 32-Bit CPU ( TMS320C28xTM) ­ 60-MHz Device ­ Single 3. 3-V Supply ­ Integrated Power-on and Brown-out Resets ­ Two Internal Zero-pin Oscillators ­ Up to 45 Multiplexed GPIO Pins ­ Three 32-Bit CPU Timers ­ On-Chip Flash, SARAM, OTP Memory ­ Code-Security Module ­ Serial Port Peripherals (SCI/SPI/I2C/LIN/eCAN) ­ Enhanced Control Peripherals · Enhanced Pulse Width Modulator (ePWM) · High-Resolution PWM (HRPWM) · Enhanced Capture (eCAP) · Enhanced Quadrature Encoder Pulse (eQEP) · Analog-to-Digital Converter (ADC) · On-Chip Temperature Sensor · Comparator ­ 64-Pin and 80-Pin Packages · High-Efficiency 32-Bit CPU ( TMS320C28xTM) ­ 60 MHz (16. 67-ns Cycle Time) ­ 16 x 16 and 32 x 32 MAC Operations ­ 16 x 16 Dual MAC ­ Harvard Bus Architecture ­ Atomic Operations ­ Fast Interrupt Response and Processing ­ Unified Memory Programming Model ­ Code-Efficient (in C/C++ and Assembly) · Programmable Control Law Accelerator (CLA) ­ 32-Bit Floating-Point Math Accelerator ­ Executes Code Independently of the Main CPU · Low Device and System Cost: ­ Single 3. 3-V Supply ­ No Power Sequencing Requirement ­ Integrated Power-on Reset and Brown-out Reset 1 · · · · · · · · · · · 2 3 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. Piccolo, TMS320C28x, C28x, TMS320C2000, Code Composer Studio, XDS510 are trademarks of Texas Instruments. All other trademarks are the property of their respective owners. Copyright © 2009­2010, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of the Texas Instruments standard warranty. [. . . ] ­ The start address of each task is specified by the MVECT registers. ­ No limit on task size as long as the tasks fit within the CLA program memory space. ­ One task is serviced at a time through to completion. ­ Upon task completion, a task-specific interrupt is flagged within the PIE. ­ When a task finishes, the next highest-priority pending task is automatically started. · Task trigger mechanisms: ­ C28x CPU via the IACK instruction ­ Task1 to Task7: the corresponding ADC or ePWM module interrupt. For example: · Task1: ADCINT1 or EPWM1_INT · Task2: ADCINT2 or EPWM2_INT · Task7: ADCINT7 or EPWM7_INT ­ Task8: ADCINT8 or by CPU Timer 0. · Memory and Shared Peripherals: ­ Two dedicated message RAMs for communication between the CLA and the main CPU. ­ The C28x CPU can map CLA program and data memory to the main CPU space or CLA space. ­ The CLA has direct access to the ADC Result registers, comparator registers, and the ePWM+HRPWM registers. Copyright © 2009­2010, Texas Instruments Incorporated Peripherals Submit Documentation Feedback Product Folder Link(s): TMS320F28030 TMS320F28031 TMS320F28032 TMS320F28033 TMS320F28034 TMS320F28035 47 TMS320F28030, TMS320F28031, TMS320F28032 TMS320F28033, TMS320F28034, TMS320F28035 SPRS584D ­ APRIL 2009 ­ REVISED JUNE 2010 www. ti. com IACK Peripheral Interrupts ADCINT1 to ADCINT8 EPWM1_INT to EPWM8_INT INT CPU Timer 0 MPERINT1 to MPERINT8 CLA Control Registers MIFR MIOVF MICLR MICLROVF MIFRC MIER MIRUN MPISRCSEL1 MVECT1 MVECT2 MVECT3 MVECT4 MVECT5 MVECT6 MVECT7 MVECT8 MMEMCFG MCTL Map to CLA or CPU Space CLA_INT1 to CLA_INT8 PIE LVF LUF INT11 INT12 Main 28x CPU Main CPU Read/Write Data Bus CLA Program Address Bus CLA Program Memory CLA Program Data Bus Map to CLA or CPU Space Main CPU BUS SYSCLKOUT CLAENCLK SYSRS CLA Shared Message RAMs CLA Data Bus CLA Execution Registers MPC(12) MSTF(32) MR0(32) MR1(32) MR2(32) MR3(32) MAR0(32) MAR1(32) MEALLOW CLA Data Read Address Bus CLA Data Read Data Bus CLA Data Write Address Bus CLA Data Write Data Bus ADC Result Registers ePWM and HRPWM Registers Comparator Registers Main CPU Read Data Bus Figure 4-1. CLA Block Diagram 48 Peripherals Copyright © 2009­2010, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): TMS320F28030 TMS320F28031 TMS320F28032 TMS320F28033 TMS320F28034 TMS320F28035 Main CPU Bus CLA Data Memory TMS320F28030, TMS320F28031, TMS320F28032 TMS320F28033, TMS320F28034, TMS320F28035 www. ti. com SPRS584D ­ APRIL 2009 ­ REVISED JUNE 2010 Table 4-1. CLA Control Registers REGISTER NAME MVECT1 MVECT2 MVECT3 MVECT4 MVECT5 MVECT6 MVECT7 MVECT8 MCTL MMEMCFG MPISRCSEL1 MIFR MIOVF MIFRC MICLR MICLROVF MIER MIRUN MIPCTL MPC (2) MAR0 (2) MAR1 (2) CLA1 ADDRESS 0x1400 0x1401 0x1402 0x1403 0x1404 0x1405 0x1406 0x1407 0x1410 0x1411 0x1414 0x1420 0x1421 0x1422 0x1423 0x1424 0x1425 0x1426 0x1427 0x1428 0x142A 0x142B 0x142E 0x1430 0x1434 0x1438 0x143C SIZE (x16) 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 EALLOW PROTECTED Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes ­ ­ ­ ­ ­ ­ ­ ­ DESCRIPTION (1) CLA Interrupt/Task 1 Start Address CLA Interrupt/Task 2 Start Address CLA Interrupt/Task 3 Start Address CLA Interrupt/Task 4 Start Address CLA Interrupt/Task 5 Start Address CLA Interrupt/Task 6 Start Address CLA Interrupt/Task 7 Start Address CLA Interrupt/Task 8 Start Address CLA Control Register CLA Memory Configure Register Peripheral Interrupt Source Select Register 1 Interrupt Flag Register Interrupt Overflow Register Interrupt Force Register Interrupt Clear Register Interrupt Overflow Clear Register Interrupt Enable Register Interrupt RUN Register Interrupt Priority Control Register CLA Program Counter CLA Aux Register 0 CLA Aux Register 1 CLA STF Register CLA R0H Register CLA R1H Register CLA R2H Register CLA R3H Register MSTF (2) MR0 (2) MR1 (2) MR2 (2) MR3 (2) (1) (2) All registers in this table are CSM protected The main C28x CPU has read only access to this register for debug purposes. The main CPU cannot perform CPU or debugger writes to this register. Table 4-2. CLA Message RAM ADDRESS RANGE 0x1480 ­ 0x14FF 0x1500 ­ 0x157F SIZE (x16) 128 128 DESCRIPTION CLA to CPU Message RAM CPU to CLA Message RAM Copyright © 2009­2010, Texas Instruments Incorporated Peripherals Submit Documentation Feedback Product Folder Link(s): TMS320F28030 TMS320F28031 TMS320F28032 TMS320F28033 TMS320F28034 TMS320F28035 49 TMS320F28030, TMS320F28031, TMS320F28032 TMS320F28033, TMS320F28034, TMS320F28035 SPRS584D ­ APRIL 2009 ­ REVISED JUNE 2010 www. ti. com 4. 2 Analog Block A 12-bit ADC core is implemented that has different timings than the 12-bit ADC used on F280x/F2833x. The ADC wrapper is modified to incorporate the new timings and also other enhancements to improve the timing control of start of conversions. Figure 4-2 shows the interaction of the analog module with the rest of the F2803x system. 64-Pin VDDA 80-Pin VDDA (3. 3 V) VDDA (Agnd) VSSA VREFLO Interface Reference Diff VREFHI A0 B0 A1 B1 A2 COMP1OUT AIO2 AIO10 10-Bit DAC Comp1 VREFLO VSSA Tied To VSSA VREFLO VREFHI VREFHI Tied To A0 A0 A1 A2 A3 A4 A6 A7 B0 B1 B2 B3 B4 B6 B7 A1 A2 A3 A4 A6 A7 B0 B1 B2 B3 B4 B5 B6 B7 A5 Simultaneous Sampling Channels B2 A3 B3 A4 B4 ADC COMP2OUT AIO4 AIO12 10-Bit DAC Comp2 B5 Temperature Sensor A5 A6 B6 A7 B7 COMP3OUT AIO6 AIO14 10-Bit DAC Comp3 Signal Pinout Figure 4-2. Analog Pin Configurations 50 Peripherals Copyright © 2009­2010, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): TMS320F28030 TMS320F28031 TMS320F28032 TMS320F28033 TMS320F28034 TMS320F28035 TMS320F28030, TMS320F28031, TMS320F28032 TMS320F28033, TMS320F28034, TMS320F28035 www. ti. com SPRS584D ­ APRIL 2009 ­ REVISED JUNE 2010 4. 2. 1 4. 2. 1. 1 ADC Features The core of the ADC contains a single 12-bit converter fed by two sample-and-hold circuits. The sample-and-hold circuits can be sampled simultaneously or sequentially. These, in turn, are fed by a total of up to 16 analog input channels. The converter can be configured to run with an internal bandgap reference to create true-voltage based conversions or with a pair of external voltage references (VREFHI/VREFLO) to create ratiometric-based conversions. Contrary to previous ADC types, this ADC is not sequencer-based. It is easy for the user to create a series of conversions from a single trigger. [. . . ] All products are sold subject to TI's terms and conditions of sale supplied at the time of order acknowledgment. TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI's standard warranty. Testing and other quality control techniques are used to the extent TI deems necessary to support this warranty. Except where mandated by government requirements, testing of all parameters of each product is not necessarily performed. [. . . ]

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