PDF, 549 Kb, 档案已发布: Mar 23, 2017
While many real-time control systems require a high-performance microcontroller (MCU), the tradeoffs of balancing performance and cost can be challenging. To this end, Texas Instruments developed the Piccoloв„ў TMS320F28004x MCU device series. This document discusses the technical details of the TMS320F28004x architecture and highlights the new improvements to various key peripherals, such as
PDF, 663 Kb, 档案已发布: Aug 13, 2014
This application report describes two methods of interfacing a pulse train output (PTO) of clockwise and counterclockwise (CW/CCW) signals with the C2000 enhanced quadrature encoder pulse (eQEP) module. The eQEP module can be used to count the number of pulses, note the direction of motion, and calculate other variables such as position and velocity using the input signals.
PDF, 41 Kb, 档案已发布: May 11, 2016
In higher end control applications such as servo drives, high-resolution feedback is required to provideprecise phase current measurements for low-torque ripple and precision positioning; however, for somemeasurements, precise sample rates are more important than higher resolution, such as when makinghigh-speed, low-side shunt current measurements. To support different accuracy requirements,
PDF, 58 Kb, 档案已发布: May 11, 2016
Eight windowed comparators are integrated into the Delfino F2837xD MCU architecture, providing “trip points,” and operate independently from the CPU so there is no additional CPU loading. The comparators are also fast acting (50 ns reaction to trip!) and CPU independent to minimize latency with trip signals so the system can react quickly to any abnormal events or over/under limit conditions. The
PDF, 39 Kb, 档案已发布: May 11, 2016
High-performance control peripherals are an integral component for all digital control systems. The hallmark of the Delfino F2837xD devices are the control peripherals including the flexible, powerful, industry-proven PWM timers. Each of the PWM modules is enhanced to support high resolution capabilities on both A and B channels. These high-resolution channels extend 150ps PWM step resolution to e
PDF, 62 Kb, 档案已发布: Mar 30, 2015
The TMS320F2837x and TMS320F2807x microcontrollers provide facilities for interfacing to external SDRAM memory through two external memory interface modules. The address space for this memory lies beyond the 22-bit addressable range traditionally accessed with the C28x CPU. This application report describes how to access the SDRAM memory from C/C++ code.
PDF, 1.2 Mb, 档案已发布: Feb 12, 2016
This application report presents a solution to control a permanent magnet synchronous motor (PMSM) using the TMS320F2837x microcontrollers. TMS320F2837x devices are part of the family of C2000 microcontrollers, which enables the cost-effective design of intelligent controllers for three phase motors by reducing system components and increasing efficiency. With these devices, it is possible to real
PDF, 384 Kb, 档案已发布: Feb 11, 2016
With the utilization of advanced high-performance microcontroller architectures, sophisticated real-time control systems can be realized. By combining both analog and digital control peripherals into a single device, along with a dual-core design, these systems can be cost-effectively implemented. This document provides an introduction and general overview to the TMS320F2837xD device architectural
PDF, 578 Kb, 档案已发布: Jul 10, 2013
PDF, 2.7 Mb, 档案已发布: Jun 30, 2017
This application report provides information on how to interface a C2000 device with an AFE031, and send data over a wired coupled interface using frequency shift keying. A demonstration of transmitting FSK information is discussed with tone frequencies in the 130-145 kHz range.
PDF, 1.9 Mb, 档案已发布: Oct 29, 2013
This application report presents a solution to control an AC induction motor using floating point TMS320F2833x microcontrollers. TMS320F2833x devices are part of the family of C2000в„ў microcontrollers which enable cost-effective design of intelligent controllers for three phase motors by reducing the system components and increase efficiency. With these devices it is possible to realize far m
PDF, 1.9 Mb, 档案已发布: Jul 1, 2013
This application report presents a solution to control a permanent magnet synchronous motor (PMSM)using the TMS320F2833x floating-point microcontrollers. TMS320F2833x devices are part of the family ofC2000 microcontrollers, which enables the cost-effective design of intelligent controllers for three phasemotors by reducing system components and increasing efficiency. With these devices, it i
PDF, 179 Kb, 档案已发布: Nov 30, 2006
This document provides a guide for the use of the eQEP module as a dedicated capture unit and is applicable to the TMS320x280x, 28xxx family of processors.
PDF, 910 Kb, 档案已发布: Aug 4, 2008
This application report describes the implementation of an audio application using the TLV320AIC23B stereo audio codec interfaced to the TMS320F28335 digital signal controller and the setup of the multi-channel buffered serial port (McBSP) and direct memory access (DMA) module to support the application.
PDF, 187 Kb, 档案已发布: Sep 2, 2010
Numerical Protection Relays (NPRs) are critical elements in any power distribution network. Generally, there are several different types of NPRs. Each type, however, shares a similar architecture, thus enabling designers to build an entire system solution that is based on a relatively small number of flexible components. This application note demonstrates how an NPR can be implemented using TI's e
PDF, 123 Kb, 档案已发布: Dec 20, 2006
This document provides a guide for the use of the ePWM module to provide 0% to 100% duty cycle control and is applicable to the TMS320x280x family of processors.
PDF, 511 Kb, 档案已发布: May 26, 2006
USB connectivity on the TMS320F280xв„ў family of Digital Signal Controllers may be achieved using the TUSB3410 USB 2.0 to UART bridge chip. All needed USB descriptors and firmware for the TUSB3410 device are bootable from the on-chip memory of the TMS320F280x device through the I2C port, and hence an external EEPROM is not needed in the system. A USB development system for the TMS320F2808 is e
PDF, 521 Kb, 档案已发布: Nov 11, 2014
This application report provides a methodology for calculating the useful lifetime of TI embedded processors (EP) under power when used in electronic systems. It is aimed at general engineers who wish to determine if the reliability of the TI EP meets the end system reliability requirement.
PDF, 240 Kb, 修订版: A, 档案已发布: Oct 25, 2007
This guide is organized by development flow and functional areas to make your design effort as seamless as possible. Tips on getting started with TMS320C28xв„ў DSP software and hardware development are provided to aid in your initial design and debug efforts. Each section includes pointers to valuable information including technical documentation, software, and tools for use in each phase of d
PDF, 228 Kb, 修订版: A, 档案已发布: Jul 20, 2009
This primer provides an overview of the floating-point unit (FPU) in the C2000в„ў Delfino microcontroller devices.
PDF, 1.7 Mb, 档案已发布: Mar 7, 2006
DSP controllers provide the on-chip peripherals and computational power needed to implement various power electronics applications. A single-chip DSP controller allows designers to implement multiple functions such as power line communication, power-factor correction, and inverter control, all needed for an overall dimmable lighting ballast application. This application report presents a complete
PDF, 93 Kb, 档案已发布: Oct 25, 2007
Applications that require PWM outputs to respond to multiple trip-zones (TZ) are challenged to determine the specific source of the TZ event.This application report describes how to configure an ePWM module to identify the specific source of a TZ event when multiple TZ events are enabled to act on a single PWM channel.
PDF, 62 Kb, 档案已发布: Sep 18, 2007
The Boot to One-Time-Programmable (OTP) memory mode in the TMS320x280x devices provides the necessary hooks to support custom bootloaders. This is very useful in a situation where a bootloader option, required by a specific customer application, is not already supported as one of the built-in options in the Boot read-only memory (ROM). This application report includes information and examples on h
PDF, 1.3 Mb, 档案已发布: Jul 26, 2007
This application report and associated code implements the interfacing of Secure Digital (SD) or Multi-Media Card (MMC) types of Flash memory cards with the TMS320F28xxx digital signal controllers (DSCs). These cards can use serial peripheral interface (SPI) or parallel (SD) interface to connect to the host. This application report demonstrates the SPI mode and includes the schematics showing th
PDF, 185 Kb, 档案已发布: Oct 30, 2001
C-callable assembly routines require an understanding of parameter-passing conventions and environments expected by the C compiler. This application report provides instructions and suggestions to configure the C compiler to assist with these issues.
PDF, 655 Kb, 修订版: A, 档案已发布: May 14, 2008
This application report provides guidelines that take you through everything from configuring the ADC and related registers correctly, responding to interrupts, and board design recommendations; this may be particularly useful for first-time users of the TMS320C2000в„ў digital signal processor (DSP) platform devices and for firmware engineers with less exposure to the analog world. Various s
PDF, 307 Kb, 修订版: A, 档案已发布: Aug 18, 2017
This application report and associated code files provide functionality for copying initialized compiler sections from the internal Flash memory to the internal random access memory (RAM) of the TMS320F28xxx digital signal controllers (DSCs) at run time for optimizing execution speed. The solution provided implements this functionality directly after booting before entering the c_int00 C entry rou
PDF, 407 Kb, 档案已发布: May 2, 2003
A stack overflow in an embedded DSP application generally produces a catastrophic software crash due to data corruption, lost return addresses, or both. Traditional off-line approaches to sizing a stack during development, such as filling with a know value, or estimating based on code content, are not 100% reliable. Therefore, programmers often feel compelled to reserve larger stack sizes than are
PDF, 381 Kb, 修订版: A, 档案已发布: Sep 9, 2008
This application report presents a method for utilizing the on-chip pulse width modulated (PWM) signal generators on the TMS320F280xв„ў family of digital signal controllers as a digital-to-analog converter (DAC). The method involves analog low-pass filtering the PWM signal to remove high frequency components, leaving only the low-frequency content. Theoretical and experimental results are presented
PDF, 641 Kb, 修订版: L, 档案已发布: Feb 28, 2013
Several special requirements exist for running an application from on-chip Flash memory on the TMS320F28xxx. These requirements generally do not manifest themselves during code development in RAM since the Code Composer Studioв„ў (CCS) debugger can mask problems associated with initialized sections and their linkage in memory. This application report covers the application software modificatio
PDF, 423 Kb, 档案已发布: Aug 19, 2008
Flash programming is a process that occurs during all stages of a TMS320F28xxx digital signal controller (DSC) development cycle: firmware debug, prototyping, production, and field reprogramming. Several solutions are available to accommodate programming for all of these development stages. This application report presents solutions that are available and at what stage in the development cycle the
PDF, 530 Kb, 修订版: D, 档案已发布: Feb 27, 2013
This application report explores a hardware abstraction layer implementation to make C/C++ coding easier on C28x devices. This method is compared to traditional #define macros and topics of code efficiency and special case registers are also addressed.
PDF, 155 Kb, 修订版: A, 档案已发布: Nov 8, 2016
Engineers designing real-time control systems are constantly faced with the challenge of optimizing performance. These systems require minimal processing latency in order to meet the control loop performance specifications. At the heart of the control systems are math intensive algorithms which are used to calculate the control signals. Utilizing a microcontroller (MCU) that can quickly and effici
PDF, 387 Kb, 修订版: B, 档案已发布: Feb 8, 2017
Often times, embedded processors must be programmed in situations where JTAG is not a viable optionfor programming the target device. When this is the case, the engineer must rely on some type of serial programming solution. C2000 devices aid in this endeavor through their inclusion of several program loading utilities included in ROM. These utilities are useful, but only solve half of the progr
PDF, 407 Kb, 档案已发布: Sep 21, 2009
Many applications require storing small quantities of system related data (e.g., calibration values, device configuration) in a non-volatile memory, so that it can be used or modified and reused even after power cycling the system. EEPROMs are primarily used for this purpose. EEPROMs have the ability to erase and write individual bytes of memory many times over and the programmed locations retain
PDF, 37 Kb, 档案已发布: Mar 22, 2016
Controller Area Network (CAN) nodes use user-specified timing parameters to sample the asynchronous bitstream and recover the clock. These parameters are typically based on the frequency of the available reference oscillator. There may be several options available for a given frequency, and some of them will allow a looser oscillator tolerance than others. This application report details the creat
PDF, 2.0 Mb, 档案已发布: Nov 16, 2009
The C28xxx generation of microcontrollers can connect to external nonvolatile memory through a variety of interfaces including parallel, serial peripheral interface (SPI), and inter-integrated circuit (I2C). This application report discusses how to write drivers for your external nonvolatile memory to allow for in-place programming using SDFlash, an application provided by Spectrum Digital, Inc. A
PDF, 125 Kb, 档案已发布: Apr 15, 2009
PDF, 129 Kb, 档案已发布: Jan 17, 2012
The TPS75005 is a complete power management solution for C2000 controllers from Texas Instruments. This document illustrates how to attach the TPS75005 to a C2000 controller.
PDF, 983 Kb, 修订版: H, 档案已发布: Jul 6, 2018
