Datasheet Texas Instruments TMS570LS2134 — 数据表

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  Reduction of Power Consumption for TMS570LS3137
  PDF, 145 Kb, 档案已发布: Sep 17, 2012
  This application report describes methods to reduce the power consumption of the Herculesв„ў-based microcontrollers and gives indications for the reduction that can be achieved.All examples and values are based on the TMX570LS3137BZWT microcontroller and are measured on the TI internal silicon checkout board.Measurement NotesThe measurements were done on non-production sil
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  CAN Bus Bootloader for TMS570LS31X MCU
  PDF, 3.1 Mb, 档案已发布: Sep 16, 2013
  A bootloader enables field updates of application firmware. A controller area network (CAN) bootloader enables firmware updates over the CAN bus. The CAN bootloader described in this application report is based on the Herculesв„ў ARMВ® Cortexв„ў-R4 microcontroller. This application report describes the CAN protocol used in the bootloader and details each supported command.
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  UART Bootloader for Hercules TMS570LS31X MCU
  PDF, 716 Kb, 档案已发布: Sep 16, 2013
  This application report describes how to communicate with the Herculesв„ў UART bootloader. The UART bootloader is a small piece of code that can be programmed at the beginning of Flash to act as an application loader as well as an update mechanism for applications running on a Hercules Cortexв„ў-R4 based TMS570LS31x microcontroller.
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  SPI Bootloader for Hercules TMS570LS31X MCU
  PDF, 67 Kb, 档案已发布: Sep 16, 2013
  This application report describes how to communicate with the Herculesв„ў serial peripheral interface (SPI) bootloader. The SPI bootloader is a small piece of code that can be programmed at the beginning of Flash to act as an application loader as well as an update mechanism for applications running on a Hercules Cortexв„ў-R4 based TMS570LS31x microcontroller.
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  Compatibility Considerations: Migrating TMS570LS31x/21x to TMS570LS12x/11x (Rev. A)
  PDF, 38 Kb, 修订版: A, 档案已发布: Feb 19, 2014
  This application report provides a summary of the differences between the TMS570LS31x/21x and the TMS570LS12x/11x series of microcontrollers.
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  Compatibility Considerations: TMS570LS20x/10x to TMS570LS31x/21x (Rev. A)
  PDF, 138 Kb, 修订版: A, 档案已发布: Oct 20, 2011
  This application report provides a summary of the main changes required for porting an application written on the Herculesв„ў TMS570LS20x/10x series of microcontrollers over to the Hercules TMS570LS31x/21x series of microcontrollers. A brief description of the process technology differences is also included.
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  Comp Cons: Mig from 570LS31x/21x or 570LS12x/11x to 570LS04/03x Safety MCUs (Rev. A)
  PDF, 57 Kb, 修订版: A, 档案已发布: Sep 22, 2014
  This application report provides a summary of the differences between the TMS570LS04x/03x versus the TMS570LS31x/21x and TMS570LA12x/11x series of microcontrollers.
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  FlexRay Transfer Unit (FTU) Setup
  PDF, 194 Kb, 档案已发布: Jan 26, 2012
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  Initialization of Hercules ARM Cortex-R4F Microcontrollers (Rev. D)
  PDF, 119 Kb, 修订版: D, 档案已发布: May 29, 2013
  This application report provides a brief overview and initialization procedure of the TMS570LS31x series and the RM4x series of microcontrollers in the Hercules family. "Hercules MCU" will be used henceforth in this document to refer to any part in these series of microcontrollers. The document also shows code fragments from source files that are generated using the HALCoGen tool. All code const
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  NHET Getting Started (Rev. B)
  PDF, 1.7 Mb, 修订版: B, 档案已发布: Aug 30, 2010
  This application report describes the basic steps necessary to generate a simple pulse width modulation (PWM) with the next generation high-end timer (NHET) module. It reviews the calculations necessary to achieve a PWM with a certain frequency and duty cycle, setting up the NHET registers and writing the NHET program. Finally, it shows code excerpts of the setup to run the simple example code.
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  Continuous Monitor of the PLL Frequency With the DCC
  PDF, 205 Kb, 档案已发布: Jul 24, 2015
  The Dual Clock Compare (DCC) may be configured to provide autonomous, real-time monitoring of the average frequency of a signal. This application report illustrates a configuration in which the DCC monitors the average PLL frequency. This comparison triggers an error when the average PLL falls out of a specified range. The accuracy window and the duration over which the frequency is averaged must
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  Enabling Functional Safety Using SafeTI Diagnostic Library
  PDF, 780 Kb, 档案已发布: Dec 18, 2015
  The application report illustrates the use of the safety library towards enabling diagnostics or tests on diagnostics applicable to the Herculesв„ў safety microcontrollers and TPS65381 Power Management Integrated Chip (PMIC).
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  Interrupt and Exception Handling on Hercules ARM Cortex-R4/5-Based MCUs
  PDF, 261 Kb, 档案已发布: Apr 20, 2015
  This application report describes the interrupt and exception handling of the ARM Cortex-R4/5 processor as implemented on Hercules-based microcontrollers, as well as the related operating modes of the processor.
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  Monitoring PWM Using N2HET
  PDF, 1.1 Mb, 档案已发布: Apr 2, 2015
  This application report illustrates two examples to monitor an incoming PWM signal using the versatile programmable high-end timer (N2HET). Both examples can be run in either the Herculesв„ў HDK or the LaunchPad board. The application report shows the N2HET program examples, the steps to setting up the N2HET registers as well as basic system settings utilizing the HalCoGen.This document
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  Hercules Family Frequency Slewing to Reduce Voltage and Current Transients
  PDF, 95 Kb, 档案已发布: Jul 5, 2012
  This application report describes a method to dynamically increase device frequency in a way that minimizes voltage dips on the board power supply. The PLL’s multiplier can be stepped in 8% steps every 50 reference clocks.
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  Hercules PLL Advisory SSWF021#45 Workaround (Rev. A)
  PDF, 53 Kb, 修订版: A, 档案已发布: Jun 3, 2016
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  Use of All 1'’s and All 0's Valid in Flash EEPROM Emulation
  PDF, 81 Kb, 档案已发布: Sep 27, 2011
  The Texas Instruments Herculesв„ў ARMВ® Safety MCUs built using TI's F021 Flash process typically have one bank of Flash for emulating electrically erasable programmable read-only memory (EEPROM). This Flash is protected by single error correction double error detection (SECDED) error correcting code (ECC) bits. There is an additional feature to allow fully erased (all 1's) or fully program
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  PWM Generation and Input Capture Using HALCoGen N2HET Module
  PDF, 227 Kb, 档案已发布: Jun 30, 2015
  This application report describes the steps to generate PWM and Input capture using N2HET black-box driver provided by HALCoGen for the Hercules-based MCU’s. The content also covers both hardware and software timing restrictions of the N2HET module with the black-box driver configuration.
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  Interfacing the Embedded 12-Bit ADC in a TMS570LS31x/21x and RM4x Series MCUs
  PDF, 726 Kb, 档案已发布: Feb 16, 2012
  The Texas Instruments Herculesв„ў ARMВ® Safety Microcontrollers TMS570LS31x/S21x and RM4x series of products have two 12-bit analog-to-digital converters (ADC). This document provides the device configuration and layout recommendations to achieve the best performance of the embedded ADC. These include layout requirements on power and ground, decoupling and bypass capacitor requirement
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  Nested Interrupts on Hercules ARM Cortex-R4/5-Based Microncontrollers
  PDF, 139 Kb, 档案已发布: Apr 23, 2015
  This application report describes what nested interrupts are and how a re-entrant interrupt handler can be implemented on Hercules-based microcontrollers. A reference implementation by ARM and an adjusted example implementation suitable for Hercules-based microcontrollers will be compared and discussed.This document assumes that you have some basic understanding of the different operating m
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  Triggering ADC Using Internal Timer Events on Hercules MCUs
  PDF, 76 Kb, 档案已发布: Oct 19, 2015
  This application report illustrates how to trigger the on-chip ADCs using various timer events. This allows the inputs to be sampled by the analog-to-digital converters (ADC) in synch with the timer events, which is a critical requirement in control applications. This application report includes an example program that illustrates a way to maximize the sampling rate for a set of three analog inp
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  Limiting Clamp Currents on TMS470/TMS570 Digital and Analog Inputs (Rev. A)
  PDF, 71 Kb, 修订版: A, 档案已发布: Dec 8, 2014
  Digital and Analog input pins require protection from input voltages that are negative or positive exceeding the maximum input levels. This is a practical explanation of using the Electrostatic Discharge (ESD) protection diodes that are part of the input pins to help limit the voltage if input current is limited.
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  Calculating Equivalent Power-on-Hours for Hercules Safety MCUs
  PDF, 145 Kb, 档案已发布: Jan 26, 2015
  This application report describes using a spreadsheet to calculate the aging effect of temperature on Texas Instruments Hercules Safety MCUs.
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  Hercules SCI With DMA
  PDF, 72 Kb, 档案已发布: Mar 22, 2015
  This application report summarizes the necessary steps to setup the direct memory access controller (DMA) to transfer data between the SCI and the data RAM of the microcontroller, freeing the CPU during the entire message transmission. Detailed code examples are provided as guidelines for the different setup steps.
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  ECC Handling in TMSx70-Based Microcontrollers
  PDF, 126 Kb, 档案已发布: Feb 23, 2011
  This application report describes the Flash and RAM ECC handling methods for TMSx70-based microcontrollers in general.To use the Flash/RAM ECC, the single error correction and double error detection (SECDED) module in the TMSx70 has to be configured accordingly. This application report covers typical software configurations of the SECDED modules and briefly explains some essential basics.
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  Verification of Data Integrity Using CRC
  PDF, 83 Kb, 档案已发布: Feb 17, 2012
  The purpose of this application report is to provide help setting up the cyclic redundancy check (CRC) controller of the Herculesв„ў TMS570 and RM4 microcontrollers. The Hercules microcontrollers from Texas Instruments are 32-bit RISC microcontrollers based on the ARMВ® Cortexв„ў-R4 core with an advanced architecture and a rich peripheral set that supports on-chip diagnostics to a
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  Leveraging the High-End Timer Transfer Unit on Hercules ARM Safety MCUs (Rev. A)
  PDF, 64 Kb, 修订版: A, 档案已发布: Sep 6, 2011
  This application report shows how the high-end timer transfer unit (HTU), a local DMA on the TMS570 and RM4x devices that is dedicated to the extremely versatile programmable timer co-processor (NHET), can be used to offload tasks from the main CPU by doing transfers between the main memory and the NHET. It shows how to set up the HTU, covers specific details that need to be taken into account whe
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  Basic PBIST Configuration and Influence on Current Consumption (Rev. C)
  PDF, 368 Kb, 修订版: C, 档案已发布: Apr 12, 2012
  The purpose of this application report is to provide help for configuring the PBIST module of TMS570LS series microcontrollers. It also explains the configurations, the different algorithm test durations and the influence on current consumptions.
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  Execution Time Measurement for Hercules ARM Safety MCUs (Rev. A)
  PDF, 86 Kb, 修订版: A, 档案已发布: Nov 4, 2011
  This application report describes methods for measuring code execution time of TMS470 and TMS570 microcontrollers. Besides the typical pin toggle approach, where the duration between two pin toggles is measured, e.g., with an oscilloscope, Hercules MCUs support cycle count methods to measure the code execution time in terms of clock cycles.The real-time-interrupt (RTI) module hardware count
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  Using the CRC Module on Herculesв„ў-Based Microcontrollers
  PDF, 113 Kb, 档案已发布: Aug 4, 2016
  This application report describes how the to use the embedded CRC module found on all Hercules devices, as well as how to calculate a signature for non-volatile memory with the TI ARMВ® Code Gen Tools Linker.
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  High Speed Serial Bus Using the MibSPIP Module on Hercules-Based MCUs
  PDF, 804 Kb, 档案已发布: Apr 22, 2016
  This application report describes how the Multi-Buffered Serial Peripheral Interface Module (MibSPIP) and the DMA modules found on many devices of the Hercules MCU family can be used to autonomously transfer data from and into the device embedded RAM. In addition to this, the parallel pin option of the MibSPIP module will be covered and used to increase the speed of the SPI link. This technique co
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  Usage of MPU Subregions on TI Hercules ARM Safety MCUs
  PDF, 79 Kb, 档案已发布: Mar 10, 2010
  A Memory Protection Unit (MPU) is a module used to modify the memory types and attributes as defined in a processor’s memory ordering model. The MPU is specific to each core in the system and can only modify the memory ordering model of the CPU to which it is attached. If Texas Instruments TMSx70 platform of devices include a CortexR4 or a CortexM3 core, then as part of the core architecture, a MP
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  Configuring a CAN Node on Hercules ARM Safety MCUs
  PDF, 1.4 Mb, 档案已发布: Sep 6, 2011
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  Generating Operating System Tick Using RTI on a Hercules ARM Safety MCU
  PDF, 659 Kb, 档案已发布: Jul 13, 2010
  The purpose of this application report is to provide help for setting up the RTI Module of Hercules Safety Microcontrollers. The Hercules family of microcontrollers from Texas Instruments is a family of 32-bit RISC microcontrollers with an advanced safety architecture and a rich peripheral set.
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  Configuring the Hercules ARM Safety MCU SCI/LIN Module for UART Communication (Rev. A)
  PDF, 548 Kb, 修订版: A, 档案已发布: Sep 6, 2011
  The purpose of this application report is to provide help for configuring the SCI/LIN module of Hercules microcontrollers for universal asynchronous receiver-transmitter (UART) communication. The document explains the SCI/LIN module configuration done in the UART driver that is used by Texas Instruments (TIв„ў) in a safety demo of the Hercules product family. The Hercules family of microcontro
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  ADC Source Impedance for Hercules ARM Safety MCUs (Rev. B)
  PDF, 376 Kb, 修订版: B, 档案已发布: Sep 6, 2011
  Unbuffered multiplexed ratiometric analog-to-digital converters (ADC) have strict requirements on driving source impedance that are not always obvious. This application report addresses the trade-offs between source impedance and sample rate. It includes both 10-bit and 12-bit examples using the TMS470 processors and the Hercules ARM Safety MCUs (TMS470M, TMS570 and RM4x families) in the GS30, GS4
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  Interfacing TPS65381 With Hercules Microcontrollers (Rev. A)
  PDF, 155 Kb, 修订版: A, 档案已发布: Feb 14, 2014
  The application report provides help to design a safety system with both the Hercules safety microcontrollers and the TPS65381 power supply. The document explains the hardware considerations and the software flowchart.
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  Important ARM Ltd Application Notes for TI Hercules ARM Safety MCUs
  PDF, 61 Kb, 档案已发布: Nov 17, 2011
  The purpose of this application report is to offer a convenient collection of references to application notes posted by ARM Ltd that apply to TI’s Hercules ARM Safety Microcontrollers. The document contains links directly to the ARM documents in the ARM On-Line InfoCenter as well as re-prints the ARM introduction chapter to help you better determine if you want to investigate further.
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  3.3 V I/O Considerations for Hercules Safety MCUs (Rev. A)
  PDF, 103 Kb, 修订版: A, 档案已发布: Sep 6, 2011
  As new generations of microcontrollers lower their supply voltages from 5 V to 3.3 V and beyond, issues with interfacing and noise are increasing. This application report presents cost-effective interfacing techniques for inputs and outputs of 3.3 V microprocessors in an automotive environment. In addition, concerns about 3.3 V analog-to-digital converters (ADC) are discussed.
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  Sine Wave Generation Using PWM With Hercules N2HET and HTU
  PDF, 371 Kb, 档案已发布: May 12, 2015
  This application report illustrates how to generate sine waves using the versatile programmable high-end timer (N2HET) and its companion data transfer unit (HTU). The code example can be run in either the Hercules hardware development kit (HDK) or the Launchpadв„ў development kit. The application report shows the N2HET program examples, the steps to setting up the N2HET and HTU registers as we
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  Triangle/Trapezoid Wave Generation Using PWM With Hercules N2HET
  PDF, 476 Kb, 档案已发布: May 1, 2015
  This application report illustrates how to generate various forms of triangle and trapezoid waves using the versatile programmable high-end timer (N2HET). The examples can be run in either the Hercules hardware development kit (HDK) or the Launchpadв„ў development kit. The application report shows the N2HET program examples, the steps to setting up the N2HET registers as well as basic system s

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• Semiconductors> Microcontrollers (MCU)> Performance MCUs> Safety> Hercules TMS570