ZHCSA18F March   2009  – February 2021 TMS320C28341 , TMS320C28342 , TMS320C28343 , TMS320C28343-Q1 , TMS320C28344 , TMS320C28345 , TMS320C28346 , TMS320C28346-Q1

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1. 3.1 Functional Block Diagram
  4. 4 Revision History
  5. 5 Device Comparison
    1. 5.1 Related Products
  6. 6 Terminal Configuration and Functions
    1. 6.1 Pin Diagrams
    2. 6.2 Signal Descriptions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings (1) (1)
    2. 7.2 ESD Ratings – Automotive
    3. 7.3 ESD Ratings – Commercial
    4. 7.4 Recommended Operating Conditions
    5. 7.5 Power Consumption Summary
      1. 7.5.1 TMS320C28346/C28344 (1) Current Consumption by Power-Supply Pins at 300-MHz SYSCLKOUT
      2. 7.5.2 TMS320C28345/C28343 (1) Current Consumption by Power-Supply Pins at 200-MHz SYSCLKOUT
      3. 7.5.3 Reducing Current Consumption
    6. 7.6 Electrical Characteristics
    7. 7.7 Thermal Resistance Characteristics
      1. 7.7.1 ZHH Package
      2. 7.7.2 ZFE Package
    8. 7.8 Thermal Design Considerations
    9. 7.9 Timing and Switching Characteristics
      1. 7.9.1 Timing Parameter Symbology
        1. 7.9.1.1 General Notes on Timing Parameters
        2. 7.9.1.2 Test Load Circuit
        3. 7.9.1.3 Device Clock Table
          1. 7.9.1.3.1 Clocking and Nomenclature (300-MHz Devices)
          2. 7.9.1.3.2 Clocking and Nomenclature (200-MHz Devices)
      2. 7.9.2 Power Sequencing
        1. 7.9.2.1 Power Management and Supervisory Circuit Solutions
        2. 7.9.2.2 Reset ( XRS) Timing Requirements
      3. 7.9.3 Clock Requirements and Characteristics
        1. 7.9.3.1 XCLKIN/X1 Timing Requirements – PLL Enabled
        2. 7.9.3.2 XCLKIN/X1 Timing Requirements – PLL Disabled
        3. 7.9.3.3 XCLKOUT Switching Characteristics (PLL Bypassed or Enabled) (1) (1)
        4. 7.9.3.4 Timing Diagram
      4. 7.9.4 Peripherals
        1. 7.9.4.1 General-Purpose Input/Output (GPIO)
          1. 7.9.4.1.1 GPIO - Output Timing
            1. 7.9.4.1.1.1 General-Purpose Output Switching Characteristics
          2. 7.9.4.1.2 GPIO - Input Timing
            1. 7.9.4.1.2.1 General-Purpose Input Timing Requirements
          3. 7.9.4.1.3 Sampling Window Width for Input Signals
          4. 7.9.4.1.4 Low-Power Mode Wakeup Timing
            1. 7.9.4.1.4.1 IDLE Mode Timing Requirements (1)
            2. 7.9.4.1.4.2 IDLE Mode Switching Characteristics (1)
            3. 7.9.4.1.4.3 IDLE Mode Timing Diagram
            4. 7.9.4.1.4.4 STANDBY Mode Timing Requirements
            5. 7.9.4.1.4.5 STANDBY Mode Switching Characteristics
            6. 7.9.4.1.4.6 STANDBY Mode Timing Diagram
            7. 7.9.4.1.4.7 HALT Mode Timing Requirements
            8. 7.9.4.1.4.8 HALT Mode Switching Characteristics
            9. 7.9.4.1.4.9 HALT Mode Timing Diagram
        2. 7.9.4.2 Enhanced Control Peripherals
          1. 7.9.4.2.1 Enhanced Pulse Width Modulator (ePWM) Timing
            1. 7.9.4.2.1.1 ePWM Timing Requirements (1)
            2. 7.9.4.2.1.2 ePWM Switching Characteristics
          2. 7.9.4.2.2 Trip-Zone Input Timing
            1. 7.9.4.2.2.1 Trip-Zone Input Timing Requirements (1)
          3. 7.9.4.2.3 High-Resolution PWM Timing
            1. 7.9.4.2.3.1 High-Resolution PWM Characteristics at SYSCLKOUT = (150–300 MHz)
          4. 7.9.4.2.4 Enhanced Capture (eCAP) Timing
            1. 7.9.4.2.4.1 Enhanced Capture (eCAP) Timing Requirements (1)
            2. 7.9.4.2.4.2 eCAP Switching Characteristics
          5. 7.9.4.2.5 Enhanced Quadrature Encoder Pulse (eQEP) Timing
            1. 7.9.4.2.5.1 Enhanced Quadrature Encoder Pulse (eQEP) Timing Requirements (1)
            2. 7.9.4.2.5.2 eQEP Switching Characteristics
          6. 7.9.4.2.6 ADC Start-of-Conversion Timing
            1. 7.9.4.2.6.1 External ADC Start-of-Conversion Switching Characteristics
            2. 7.9.4.2.6.2 ADCSOCAO or ADCSOCBO Timing
        3. 7.9.4.3 External Interrupt Timing
          1. 7.9.4.3.1 External Interrupt Timing Requirements (1)
          2. 7.9.4.3.2 External Interrupt Switching Characteristics (1)
          3. 7.9.4.3.3 External Interrupt Timing Diagram
        4. 7.9.4.4 I2C Electrical Specification and Timing
          1. 7.9.4.4.1 I2C Timing
        5. 7.9.4.5 Serial Peripheral Interface (SPI) Timing
          1. 7.9.4.5.1 Master Mode Timing
            1. 7.9.4.5.1.1 SPI Master Mode External Timing (Clock Phase = 0) (1) (1) (1) (1) (1)
            2. 7.9.4.5.1.2 SPI Master Mode External Timing (Clock Phase = 1) (1) (1) (1) (1) (1)
          2. 7.9.4.5.2 Slave Mode Timing
            1. 7.9.4.5.2.1 SPI Slave Mode External Timing (Clock Phase = 0) (1) (1) (1) (1) (1)
            2. 7.9.4.5.2.2 SPI Slave Mode External Timing (Clock Phase = 1) (1) (1) (1) (1)
        6. 7.9.4.6 Multichannel Buffered Serial Port (McBSP) Timing
          1. 7.9.4.6.1 McBSP Transmit and Receive Timing
            1. 7.9.4.6.1.1 McBSP Timing Requirements (1) (1)
            2. 7.9.4.6.1.2 McBSP Switching Characteristics (1) (1)
          2. 7.9.4.6.2 McBSP as SPI Master or Slave Timing
            1. 7.9.4.6.2.1 McBSP as SPI Master or Slave Timing Requirements (CLKSTP = 10b, CLKXP = 0) (1)
            2. 7.9.4.6.2.2 McBSP as SPI Master or Slave Switching Characteristics (CLKSTP = 10b, CLKXP = 0)
            3. 7.9.4.6.2.3 McBSP as SPI Master or Slave Timing Requirements (CLKSTP = 11b, CLKXP = 0) (1)
            4. 7.9.4.6.2.4 McBSP as SPI Master or Slave Switching Characteristics (CLKSTP = 11b, CLKXP = 0)
            5. 7.9.4.6.2.5 McBSP as SPI Master or Slave Timing Requirements (CLKSTP = 10b, CLKXP = 1) (1)
            6. 7.9.4.6.2.6 McBSP as SPI Master or Slave Switching Characteristics (CLKSTP = 10b, CLKXP = 1)
            7. 7.9.4.6.2.7 McBSP as SPI Master or Slave Timing Requirements (CLKSTP = 11b, CLKXP = 1) (1)
            8. 7.9.4.6.2.8 McBSP as SPI Master or Slave Switching Characteristics (CLKSTP = 11b, CLKXP = 1) (1)
      5. 7.9.5 Emulator Connection Without Signal Buffering for the MCU
      6. 7.9.6 External Interface (XINTF) Timing
        1. 7.9.6.1 USEREADY = 0
        2. 7.9.6.2 Synchronous Mode (USEREADY = 1, READYMODE = 0)
        3. 7.9.6.3 Asynchronous Mode (USEREADY = 1, READYMODE = 1)
        4. 7.9.6.4 XINTF Signal Alignment to XCLKOUT
        5. 7.9.6.5 External Interface Read Timing
          1. 7.9.6.5.1 External Interface Read Timing Requirements
          2. 7.9.6.5.2 External Interface Read Switching Characteristics
        6. 7.9.6.6 External Interface Write Timing
          1. 7.9.6.6.1 External Interface Write Switching Characteristics
        7. 7.9.6.7 External Interface Ready-on-Read Timing With One External Wait State
          1. 7.9.6.7.1 External Interface Read Switching Characteristics (Ready-on-Read, One Wait State)
          2. 7.9.6.7.2 External Interface Read Timing Requirements (Ready-on-Read, One Wait State)
          3. 7.9.6.7.3 Synchronous XREADY Timing Requirements (Ready-on-Read, One Wait State) (1)
          4. 7.9.6.7.4 Asynchronous XREADY Timing Requirements (Ready-on-Read, One Wait State)
        8. 7.9.6.8 External Interface Ready-on-Write Timing With One External Wait State
          1. 7.9.6.8.1 External Interface Write Switching Characteristics (Ready-on-Write, One Wait State)
          2. 7.9.6.8.2 Synchronous XREADY Timing Requirements (Ready-on-Write, One Wait State) Table 1-1
          3. 7.9.6.8.3 Asynchronous XREADY Timing Requirements (Ready-on-Write, One Wait State) (1)
        9. 7.9.6.9 XHOLD and XHOLDA Timing
          1. 7.9.6.9.1 XHOLD/ XHOLDA Timing Requirements (1) (1) (1)
  8. 8 Detailed Description
    1. 8.1 Brief Descriptions
      1. 8.1.1  C28x CPU
      2. 8.1.2  Memory Bus (Harvard Bus Architecture)
      3. 8.1.3  Peripheral Bus
      4. 8.1.4  Real-Time JTAG and Analysis
      5. 8.1.5  External Interface (XINTF)
      6. 8.1.6  M0, M1 SARAMs
      7. 8.1.7  L0, L1, L2, L3, L4, L5, L6, L7, H0, H1, H2, H3, H4, H5 SARAMs
      8. 8.1.8  Boot ROM
      9. 8.1.9  Security
      10. 8.1.10 Peripheral Interrupt Expansion (PIE) Block
      11. 8.1.11 External Interrupts (XINT1–XINT7, XNMI)
      12. 8.1.12 Oscillator and PLL
      13. 8.1.13 Watchdog
      14. 8.1.14 Peripheral Clocking
      15. 8.1.15 Low-Power Modes
      16. 8.1.16 Peripheral Frames 0, 1, 2, 3 (PFn)
      17. 8.1.17 General-Purpose Input/Output (GPIO) Multiplexer
      18. 8.1.18 32-Bit CPU-Timers (0, 1, 2)
      19. 8.1.19 Control Peripherals
      20. 8.1.20 Serial Port Peripherals
    2. 8.2 Peripherals
      1. 8.2.1  DMA Overview
      2. 8.2.2  32-Bit CPU-Timer 0, CPU-Timer 1, CPU-Timer 2
      3. 8.2.3  Enhanced PWM Modules
      4. 8.2.4  High-Resolution PWM (HRPWM)
      5. 8.2.5  Enhanced CAP Modules
      6. 8.2.6  Enhanced QEP Modules
      7. 8.2.7  External ADC Interface
      8. 8.2.8  Multichannel Buffered Serial Port (McBSP) Module
      9. 8.2.9  Enhanced Controller Area Network (eCAN) Modules (eCAN-A and eCAN-B)
      10. 8.2.10 Serial Communications Interface (SCI) Modules (SCI-A, SCI-B, SCI-C)
      11. 8.2.11 Serial Peripheral Interface (SPI) Module (SPI-A, SPI-D)
      12. 8.2.12 Inter-Integrated Circuit (I2C)
      13. 8.2.13 GPIO MUX
      14. 8.2.14 External Interface (XINTF)
    3. 8.3 Memory Maps
    4. 8.4 Register Map
      1. 8.4.1 Device Emulation Registers
    5. 8.5 Interrupts
      1. 8.5.1 External Interrupts
    6. 8.6 System Control
      1. 8.6.1 OSC and PLL Block
        1. 8.6.1.1 External Reference Oscillator Clock Option
        2. 8.6.1.2 PLL-Based Clock Module
        3. 8.6.1.3 Loss of Input Clock
      2. 8.6.2 Watchdog Block
    7. 8.7 Low-Power Modes Block
  9. 9 Applications, Implementation, and Layout
    1. 9.1 TI Design or Reference Design
  10. 10Device and Documentation Support
    1. 10.1 Getting Started
    2. 10.2 Device and Development Support Tool Nomenclature
    3. 10.3 Tools and Software
    4. 10.4 Documentation Support
    5. 10.5 支持资源
    6. 10.6 Trademarks
    7. 10.7 静电放电警告
    8. 10.8 术语表
  11. 11Mechanical, Packaging, and Orderable Information
    1. 11.1 Packaging Information

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10.4 Documentation Support

To receive notification of documentation updates, navigate to the device product folder on ti.com. In the upper right corner, click on Alert me to register and receive a weekly digest of any product information that has changed. For change details, review the revision history included in any revised document.

The current documentation that describes the processor, related peripherals, and other technical collateral is listed below.

Errata

TMS320C2834x Delfino™ MCUs Silicon Errata describes the advisories and usage notes for different versions of silicon.

CPU User's Guides

TMS320C28x CPU and Instruction Set Reference Guide describes the central processing unit (CPU) and the assembly language instructions of the TMS320C28x fixed-point digital signal processors (DSPs). It also describes emulation features available on these DSPs.

TMS320C28x Extended Instruction Sets Technical Reference Manual describes the architecture, pipeline, and instruction set of the TMU, VCU-II, and FPU accelerators.

Peripheral Guides

C2000 Real-Time Control MCU Peripherals Reference Guide describes the peripheral reference guides of the 28x digital signal processors (DSPs).

TMS320x2834x Delfino System Control and Interrupts Reference Guide This document describes the various interrupts and system control features of the x2834x microcontroller (MCUs).

TMS320x2834x Delfino External Interface (XINTF) Reference Guide This document describes the XINTF, which is a nonmultiplexed asynchronous bus, as it is used on the x2834x device.

TMS320x2834x Delfino Boot ROM Reference Guide This document describes the purpose and features of the bootloader (factory-programmed boot-loading software) and provides examples of code. It also describes other contents of the device on-chip boot ROM and identifies where all of the information is located within that memory.

TMS320x2834x Delfino Multichannel Buffered Serial Port (McBSP) Reference Guide This document describes the McBSP available on the x2834x devices. The McBSPs allow direct interface between a microcontroller (MCU) and other devices in a system.

TMS320x2834x Delfino Direct Memory Access (DMA) Module Reference Guide This document describes the DMA on the x2834x microcontroller (MCUs).

TMS320x2834x Delfino Enhanced Pulse Width Modulator (ePWM) Module Reference Guide This document describes the main areas of the enhanced pulse width modulator that include digital motor control, switch mode power supply control, UPS (uninterruptible power supplies), and other forms of power conversion.

TMS320x2834x Delfino High Resolution Pulse Width Modulator (HRPWM) Reference Guide This document describes the operation of the high-resolution extension to the pulse width modulator (HRPWM).

TMS320x2834x Delfino Enhanced Capture (eCAP) Module Reference Guide This document describes the enhanced capture module. It includes the module description and registers.

TMS320x2834x Delfino Enhanced Quadrature Encoder Pulse (eQEP) Module Reference Guide This document describes the eQEP module, which is used for interfacing with a linear or rotary incremental encoder to get position, direction, and speed information from a rotating machine in high performance motion and position control systems. It includes the module description and registers.

TMS320x2834x Delfino Enhanced Controller Area Network (eCAN) Reference Guide This document describes the eCAN that uses established protocol to communicate serially with other controllers in electrically noisy environments.

TMS320x2834x Delfino Serial Communications Interface (SCI) Reference Guide This document describes the SCI, which is a 2-wire asynchronous serial port, commonly known as a UART. The SCI modules support digital communications between the CPU and other asynchronous peripherals that use the standard nonreturn-to-zero (NRZ) format.

TMS320x2834x Delfino Serial Peripheral Interface (SPI) Reference Guide This document describes the SPI - a high-speed synchronous serial input/output (I/O) port - that allows a serial bit stream of programmed length (1 to 16 bits) to be shifted into and out of the device at a programmed bit-transfer rate.

TMS320x2834x Delfino Inter-Integrated Circuit (I2C) Module Reference Guide This document describes the features and operation of the inter-integrated circuit (I2C) module.

Tools Guides

TMS320C28x Assembly Language Tools v20.2.0.LTS User's Guide describes the assembly language tools (assembler and other tools used to develop assembly language code), assembler directives, macros, common object file format, and symbolic debugging directives for the TMS320C28x device.

TMS320C28x Optimizing C/C++ Compiler v20.2.0.LTS User's Guide describes the TMS320C28x C/C++ compiler. This compiler accepts ANSI standard C/C++ source code and produces TMS320 DSP assembly language source code for the TMS320C28x device.

TMS320C28x DSP/BIOS 5.x Application Programming Interface (API) Reference Guide describes development using DSP/BIOS.

Application Reports

The SMT & packaging application notes website lists documentation on TI’s surface mount technology (SMT) and application notes on a variety of packaging-related topics.

TMS320C28x FPU Primer provides an overview of the floating-point unit (FPU) in the C2000™ Delfino microcontroller devices.

Running an Application from Internal Flash Memory on the TMS320F28xxx DSP covers the requirements needed to properly configure application software for execution from on-chip flash memory. Requirements for both DSP/BIOS and non-DSP/BIOS projects are presented. Example code projects are included.

Programming TMS320x28xx and TMS320x28xxx Peripherals in C/C++ explores a hardware abstraction layer implementation to make C/C++ coding easier on 28x DSPs. This method is compared to traditional #define macros and topics of code efficiency and special case registers are also addressed.

Using PWM Output as a Digital-to-Analog Converter on a TMS320F280x Digital Signal Controller presents a method for using the on-chip pulse width modulated (PWM) signal generators on the TMS320F280x family of digital signal controllers as a digital-to-analog converter (DAC).

TMS320F280x Digital Signal Controller USB Connectivity using the TUSB3410 USB-to-UART Bridge Chip presents hardware connections as well as software preparation and operation of the development system using a simple communication echo program.

Using the Enhanced Quadrature Encoder Pulse (eQEP) Module in TMS320x280x, 28xxx as a Dedicated Capture 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.

Using the ePWM Module for 0% - 100% Duty Cycle Control 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.

TMS320x2833x/2823x to TMS320x2834x Delfino Migration Overview This application report describes differences between the Texas Instruments TMS320x2833x/2823x and the TMS320x2834x devices to assist in application migration.

Online Stack Overflow Detection on the TMS320C28x DSP presents the methodology for online stack overflow detection on the TMS320C28x DSP. C-source code is provided that contains functions for implementing the overflow detection on both DSP/BIOS and non-DSP/BIOS applications.

Semiconductor Packing Methodology describes the packing methodologies employed to prepare semiconductor devices for shipment to end users.

Calculating Useful Lifetimes of Embedded Processors provides a methodology for calculating the useful lifetime of TI embedded processors (EPs) 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.

Semiconductor and IC Package Thermal Metrics describes traditional and new thermal metrics and puts their application in perspective with respect to system-level junction temperature estimation.

An Introduction to IBIS (I/O Buffer Information Specification) Modeling discusses various aspects of IBIS including its history, advantages, compatibility, model generation flow, data requirements in modeling the input/output structures and future trends.

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