SPRSP61B October   2021  – November 2022 TMS320F280034 , TMS320F280037 , TMS320F280037C , TMS320F280037C-Q1 , TMS320F280038C-Q1 , TMS320F280039C , TMS320F280039C-Q1

PRODMIX  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1. 3.1 Functional Block Diagram
      1.      Revision History
  4. 4 Device Comparison
    1. 4.1 Related Products
  5. 5 Pin Configuration and Functions
    1. 5.1 Pin Diagrams
    2. 5.2 Pin Attributes
    3. 5.3 Signal Descriptions
      1. 5.3.1 Analog Signals
      2. 5.3.2 Digital Signals
      3. 5.3.3 Power and Ground
      4. 5.3.4 Test, JTAG, and Reset
    4. 5.4 Pin Multiplexing
      1. 5.4.1 GPIO Muxed Pins
        1. 5.4.1.1 GPIO Muxed Pins
      2. 5.4.2 Digital Inputs on ADC Pins (AIOs)
      3. 5.4.3 Digital Inputs and Outputs on ADC Pins (AGPIOs)
      4. 5.4.4 GPIO Input X-BAR
      5. 5.4.5 GPIO Output X-BAR, CLB X-BAR, CLB Output X-BAR, and ePWM X-BAR
    5. 5.5 Pins With Internal Pullup and Pulldown
    6. 5.6 Connections for Unused Pins
  6. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings – Commercial
    3. 6.3  ESD Ratings – Automotive
    4. 6.4  Recommended Operating Conditions
    5. 6.5  Power Consumption Summary
      1. 6.5.1 System Current Consumption
      2. 6.5.2 System Current Consumption - VREG Disable - External Supply
      3. 6.5.3 Operating Mode Test Description
      4. 6.5.4 Reducing Current Consumption
        1. 6.5.4.1 Typical Current Reduction per Disabled Peripheral
    6. 6.6  Electrical Characteristics
    7. 6.7  Thermal Resistance Characteristics for PZ Package
    8. 6.8  Thermal Resistance Characteristics for PN Package
    9. 6.9  Thermal Resistance Characteristics for PM Package
    10. 6.10 Thermal Resistance Characteristics for PT Package
    11. 6.11 Thermal Design Considerations
    12. 6.12 System
      1. 6.12.1 Power Management Module (PMM)
        1. 6.12.1.1 Introduction
        2. 6.12.1.2 Overview
          1. 6.12.1.2.1 Power Rail Monitors
            1. 6.12.1.2.1.1 I/O POR (Power-On Reset) Monitor
            2. 6.12.1.2.1.2 I/O BOR (Brown-Out Reset) Monitor
            3. 6.12.1.2.1.3 VDD POR (Power-On Reset) Monitor
          2. 6.12.1.2.2 External Supervisor Usage
          3. 6.12.1.2.3 Delay Blocks
          4. 6.12.1.2.4 Internal 1.2-V LDO Voltage Regulator (VREG)
          5. 6.12.1.2.5 VREGENZ
        3. 6.12.1.3 External Components
          1. 6.12.1.3.1 Decoupling Capacitors
            1. 6.12.1.3.1.1 VDDIO Decoupling
            2. 6.12.1.3.1.2 VDD Decoupling
        4. 6.12.1.4 Power Sequencing
          1. 6.12.1.4.1 Supply Pins Ganging
          2. 6.12.1.4.2 Signal Pins Power Sequence
          3. 6.12.1.4.3 Supply Pins Power Sequence
            1. 6.12.1.4.3.1 External VREG/VDD Mode Sequence
            2. 6.12.1.4.3.2 Internal VREG/VDD Mode Sequence
            3. 6.12.1.4.3.3 Supply Sequencing Summary and Effects of Violations
            4. 6.12.1.4.3.4 Supply Slew Rate
        5. 6.12.1.5 Power Management Module Electrical Data and Timing
          1. 6.12.1.5.1 Power Management Module Operating Conditions
          2. 6.12.1.5.2 Power Management Module Characteristics
          3.        Supply Voltages
      2. 6.12.2 Reset Timing
        1. 6.12.2.1 Reset Sources
        2. 6.12.2.2 Reset Electrical Data and Timing
          1. 6.12.2.2.1 Reset - XRSn - Timing Requirements
          2. 6.12.2.2.2 Reset - XRSn - Switching Characteristics
          3. 6.12.2.2.3 Reset Timing Diagrams
      3. 6.12.3 Clock Specifications
        1. 6.12.3.1 Clock Sources
        2. 6.12.3.2 Clock Frequencies, Requirements, and Characteristics
          1. 6.12.3.2.1 Input Clock Frequency and Timing Requirements, PLL Lock Times
            1. 6.12.3.2.1.1 Input Clock Frequency
            2. 6.12.3.2.1.2 XTAL Oscillator Characteristics
            3. 6.12.3.2.1.3 X1 Input Level Characteristics When Using an External Clock Source - Not a Crystal
            4. 6.12.3.2.1.4 X1 Timing Requirements
            5. 6.12.3.2.1.5 AUXCLKIN Timing Requirements
            6. 6.12.3.2.1.6 APLL Characteristics
            7. 6.12.3.2.1.7 XCLKOUT Switching Characteristics - PLL Bypassed or Enabled
            8. 6.12.3.2.1.8 Internal Clock Frequencies
        3. 6.12.3.3 Input Clocks and PLLs
        4. 6.12.3.4 XTAL Oscillator
          1. 6.12.3.4.1 Introduction
          2. 6.12.3.4.2 Overview
            1. 6.12.3.4.2.1 Electrical Oscillator
              1. 6.12.3.4.2.1.1 Modes of Operation
                1. 6.12.3.4.2.1.1.1 Crystal Mode of Operation
                2. 6.12.3.4.2.1.1.2 Single-Ended Mode of Operation
              2. 6.12.3.4.2.1.2 XTAL Output on XCLKOUT
            2. 6.12.3.4.2.2 Quartz Crystal
            3. 6.12.3.4.2.3 GPIO Modes of Operation
          3. 6.12.3.4.3 Functional Operation
            1. 6.12.3.4.3.1 ESR – Effective Series Resistance
            2. 6.12.3.4.3.2 Rneg – Negative Resistance
            3. 6.12.3.4.3.3 Start-up Time
              1. 6.12.3.4.3.3.1 X1/X2 Precondition
            4. 6.12.3.4.3.4 DL – Drive Level
          4. 6.12.3.4.4 How to Choose a Crystal
          5. 6.12.3.4.5 Testing
          6. 6.12.3.4.6 Common Problems and Debug Tips
          7. 6.12.3.4.7 Crystal Oscillator Specifications
            1. 6.12.3.4.7.1 Crystal Oscillator Parameters
            2. 6.12.3.4.7.2 Crystal Equivalent Series Resistance (ESR) Requirements
            3. 6.12.3.4.7.3 Crystal Oscillator Electrical Characteristics
        5. 6.12.3.5 Internal Oscillators
          1. 6.12.3.5.1 INTOSC Characteristics
      4. 6.12.4 Flash Parameters
        1. 6.12.4.1 Flash Parameters 
      5. 6.12.5 Emulation/JTAG
        1. 6.12.5.1 JTAG Electrical Data and Timing
          1. 6.12.5.1.1 JTAG Timing Requirements
          2. 6.12.5.1.2 JTAG Switching Characteristics
          3. 6.12.5.1.3 JTAG Timing Diagram
        2. 6.12.5.2 cJTAG Electrical Data and Timing
          1. 6.12.5.2.1 cJTAG Timing Requirements
          2. 6.12.5.2.2 cJTAG Switching Characteristics
          3. 6.12.5.2.3 cJTAG Timing Diagram
      6. 6.12.6 GPIO Electrical Data and Timing
        1. 6.12.6.1 GPIO – Output Timing
          1. 6.12.6.1.1 General-Purpose Output Switching Characteristics
          2. 6.12.6.1.2 General-Purpose Output Timing Diagram
        2. 6.12.6.2 GPIO – Input Timing
          1. 6.12.6.2.1 General-Purpose Input Timing Requirements
          2. 6.12.6.2.2 Sampling Mode
        3. 6.12.6.3 Sampling Window Width for Input Signals
      7. 6.12.7 Interrupts
        1. 6.12.7.1 External Interrupt (XINT) Electrical Data and Timing
          1. 6.12.7.1.1 External Interrupt Timing Requirements
          2. 6.12.7.1.2 External Interrupt Switching Characteristics
          3. 6.12.7.1.3 External Interrupt Timing
      8. 6.12.8 Low-Power Modes
        1. 6.12.8.1 Clock-Gating Low-Power Modes
        2. 6.12.8.2 Low-Power Mode Wake-up Timing
          1. 6.12.8.2.1 IDLE Mode Timing Requirements
          2. 6.12.8.2.2 IDLE Mode Switching Characteristics
          3. 6.12.8.2.3 IDLE Entry and Exit Timing Diagram
          4. 6.12.8.2.4 STANDBY Mode Timing Requirements
          5. 6.12.8.2.5 STANDBY Mode Switching Characteristics
          6. 6.12.8.2.6 STANDBY Entry and Exit Timing Diagram
          7. 6.12.8.2.7 HALT Mode Timing Requirements
          8. 6.12.8.2.8 HALT Mode Switching Characteristics
          9. 6.12.8.2.9 HALT Entry and Exit Timing Diagram
    13. 6.13 Analog Peripherals
      1. 6.13.1 Analog Pins and Internal Connections
      2. 6.13.2 Analog Signal Descriptions
      3. 6.13.3 Analog-to-Digital Converter (ADC)
        1. 6.13.3.1 ADC Configurability
          1. 6.13.3.1.1 Signal Mode
        2. 6.13.3.2 ADC Electrical Data and Timing
          1. 6.13.3.2.1 ADC Operating Conditions
          2. 6.13.3.2.2 ADC Characteristics
          3. 6.13.3.2.3 ADC Input Model
          4. 6.13.3.2.4 ADC Timing Diagrams
      4. 6.13.4 Temperature Sensor
        1. 6.13.4.1 Temperature Sensor Electrical Data and Timing
          1. 6.13.4.1.1 Temperature Sensor Characteristics
      5. 6.13.5 Comparator Subsystem (CMPSS)
        1. 6.13.5.1 CMPSS Connectivity Diagram
        2. 6.13.5.2 Block Diagram
        3. 6.13.5.3 CMPSS Electrical Data and Timing
          1. 6.13.5.3.1 Comparator Electrical Characteristics
          2.        CMPSS Comparator Input Referred Offset and Hysteresis
          3. 6.13.5.3.2 CMPSS DAC Static Electrical Characteristics
          4. 6.13.5.3.3 CMPSS Illustrative Graphs
      6. 6.13.6 Buffered Digital-to-Analog Converter (DAC)
        1. 6.13.6.1 Buffered DAC Electrical Data and Timing
          1. 6.13.6.1.1 Buffered DAC Operating Conditions
          2. 6.13.6.1.2 Buffered DAC Electrical Characteristics
    14. 6.14 Control Peripherals
      1. 6.14.1 Enhanced Pulse Width Modulator (ePWM)
        1. 6.14.1.1 ePWM Electrical Data and Timing
          1. 6.14.1.1.1 ePWM Timing Requirements
          2. 6.14.1.1.2 ePWM Switching Characteristics
          3. 6.14.1.1.3 Trip-Zone Input Timing
            1. 6.14.1.1.3.1 Trip-Zone Input Timing Requirements
            2. 6.14.1.1.3.2 PWM Hi-Z Characteristics Timing Diagram
      2. 6.14.2 High-Resolution Pulse Width Modulator (HRPWM)
        1. 6.14.2.1 HRPWM Electrical Data and Timing
          1. 6.14.2.1.1 High-Resolution PWM Characteristics
      3. 6.14.3 External ADC Start-of-Conversion Electrical Data and Timing
        1. 6.14.3.1 External ADC Start-of-Conversion Switching Characteristics
        2. 6.14.3.2 ADCSOCAO or ADCSOCBO Timing Diagram
      4. 6.14.4 Enhanced Capture (eCAP)
        1. 6.14.4.1 eCAP and HRCAP Block Diagram
        2. 6.14.4.2 eCAP Synchronization
        3. 6.14.4.3 eCAP Electrical Data and Timing
          1. 6.14.4.3.1 eCAP Timing Requirements
          2. 6.14.4.3.2 eCAP Switching Characteristics
      5. 6.14.5 High-Resolution Capture (HRCAP)
        1. 6.14.5.1 eCAP and HRCAP Block Diagram
        2. 6.14.5.2 HRCAP Electrical Data and Timing
          1. 6.14.5.2.1 HRCAP Switching Characteristics
          2. 6.14.5.2.2 HRCAP Figure and Graph
      6. 6.14.6 Enhanced Quadrature Encoder Pulse (eQEP)
        1. 6.14.6.1 eQEP Electrical Data and Timing
          1. 6.14.6.1.1 eQEP Timing Requirements
          2. 6.14.6.1.2 eQEP Switching Characteristics
      7. 6.14.7 Sigma-Delta Filter Module (SDFM)
        1. 6.14.7.1 SDFM Electrical Data and Timing
          1. 6.14.7.1.1 SDFM Timing Requirements When Using Asynchronous GPIO - ASYNC - Option
    15. 6.15 Communications Peripherals
      1. 6.15.1 Controller Area Network (CAN)
      2. 6.15.2 Modular Controller Area Network (MCAN)
      3. 6.15.3 Inter-Integrated Circuit (I2C)
        1. 6.15.3.1 I2C Electrical Data and Timing
          1. 6.15.3.1.1 I2C Timing Requirements
          2. 6.15.3.1.2 I2C Switching Characteristics
          3. 6.15.3.1.3 I2C Timing Diagram
      4. 6.15.4 Power Management Bus (PMBus) Interface
        1. 6.15.4.1 PMBus Electrical Data and Timing
          1. 6.15.4.1.1 PMBus Electrical Characteristics
          2. 6.15.4.1.2 PMBus Fast Mode Switching Characteristics
          3. 6.15.4.1.3 PMBus Standard Mode Switching Characteristics
      5. 6.15.5 Serial Communications Interface (SCI)
      6. 6.15.6 Serial Peripheral Interface (SPI)
        1. 6.15.6.1 SPI Master Mode Timings
          1. 6.15.6.1.1 SPI Master Mode Timing Requirements
          2. 6.15.6.1.2 SPI Master Mode Switching Characteristics - Clock Phase  0
          3. 6.15.6.1.3 SPI Master Mode Switching Characteristics - Clock Phase  1
          4. 6.15.6.1.4 SPI Master Mode Timing Diagrams
        2. 6.15.6.2 SPI Slave Mode Timings
          1. 6.15.6.2.1 SPI Slave Mode Timing Requirements
          2. 6.15.6.2.2 SPI Slave Mode Switching Characteristics
          3. 6.15.6.2.3 SPI Slave Mode Timing Diagrams
      7. 6.15.7 Local Interconnect Network (LIN)
      8. 6.15.8 Fast Serial Interface (FSI)
        1. 6.15.8.1 FSI Transmitter
          1. 6.15.8.1.1 FSITX Electrical Data and Timing
            1. 6.15.8.1.1.1 FSITX Switching Characteristics
            2. 6.15.8.1.1.2 FSITX Timings
        2. 6.15.8.2 FSI Receiver
          1. 6.15.8.2.1 FSIRX Electrical Data and Timing
            1. 6.15.8.2.1.1 FSIRX Timing Requirements
            2. 6.15.8.2.1.2 FSIRX Switching Characteristics
            3. 6.15.8.2.1.3 FSIRX Timings
        3. 6.15.8.3 FSI SPI Compatibility Mode
          1. 6.15.8.3.1 FSITX SPI Signaling Mode Electrical Data and Timing
            1. 6.15.8.3.1.1 FSITX SPI Signaling Mode Switching Characteristics
            2. 6.15.8.3.1.2 FSITX SPI Signaling Mode Timings
      9. 6.15.9 Host Interface Controller (HIC)
        1. 6.15.9.1 HIC Electrical Data and Timing
          1. 6.15.9.1.1 HIC Timing Requirements
          2. 6.15.9.1.2 HIC Switching Characteristics
          3. 6.15.9.1.3 HIC Timing Diagrams
  7. 7 Detailed Description
    1. 7.1  Overview
    2. 7.2  Functional Block Diagram
    3. 7.3  Memory
      1. 7.3.1 Memory Map
        1. 7.3.1.1 Dedicated RAM (Mx RAM)
        2. 7.3.1.2 Local Shared RAM (LSx RAM)
        3. 7.3.1.3 Global Shared RAM (GSx RAM)
        4. 7.3.1.4 Message RAM
      2. 7.3.2 Control Law Accelerator (CLA) Memory Map
      3. 7.3.3 Flash Memory Map
        1. 7.3.3.1 Addresses of Flash Sectors
      4. 7.3.4 Peripheral Registers Memory Map
    4. 7.4  Identification
    5. 7.5  Bus Architecture – Peripheral Connectivity
    6. 7.6  C28x Processor
      1. 7.6.1 Floating-Point Unit (FPU)
      2. 7.6.2 Fast Integer Division Unit
      3. 7.6.3 Trigonometric Math Unit (TMU)
      4. 7.6.4 VCRC Unit
    7. 7.7  Control Law Accelerator (CLA)
    8. 7.8  Embedded Real-Time Analysis and Diagnostic (ERAD)
    9. 7.9  Background CRC-32 (BGCRC)
    10. 7.10 Direct Memory Access (DMA)
    11. 7.11 Device Boot Modes
      1. 7.11.1 Device Boot Configurations
        1. 7.11.1.1 Configuring Boot Mode Pins
        2. 7.11.1.2 Configuring Boot Mode Table Options
      2. 7.11.2 GPIO Assignments
    12. 7.12 Dual Code Security Module
    13. 7.13 Watchdog
    14. 7.14 C28x Timers
    15. 7.15 Dual-Clock Comparator (DCC)
      1. 7.15.1 Features
      2. 7.15.2 Mapping of DCCx Clock Source Inputs
    16. 7.16 Configurable Logic Block (CLB)
  8. 8 Applications, Implementation, and Layout
    1. 8.1 TI Reference Design
  9. 9 Device and Documentation Support
    1. 9.1 Getting Started and Next Steps
    2. 9.2 Device Nomenclature
    3. 9.3 Markings
    4. 9.4 Tools and Software
    5. 9.5 Documentation Support
    6. 9.6 Support Resources
    7. 9.7 Trademarks
    8. 9.8 Electrostatic Discharge Caution
    9. 9.9 Glossary
  10. 10Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

1 Features

  • TMS320C28x 32-bit DSP core at 120 MHz
    • IEEE 754 Floating-Point Unit (FPU)
      • Support for Fast Integer Division (FINTDIV)
    • Trigonometric Math Unit (TMU)
      • Support for Nonlinear Proportional Integral Derivative (NLPID) control
    • CRC Engine and Instructions (VCRC)
    • Ten hardware breakpoints (with ERAD)
  • Programmable Control Law Accelerator (CLA)
    • 120 MHz
    • IEEE 754 single-precision floating-point instructions
    • Executes code independently of main CPU
  • On-chip memory
    • 384KB (192KW) of flash (ECC-protected) across three independent banks
    • 69KB (34.5KW) of RAM (ECC-protected)
    • Dual-zone security
    • Secure Boot and JTAG Lock
  • Clock and system control
    • Two internal 10-MHz oscillators
    • Crystal oscillator or external clock input
    • Windowed watchdog timer module
    • Missing clock detection circuitry
    • Dual-clock Comparator (DCC)
  • 3.3-V I/O design
    • Internal VREG generation allows for single-supply design
    • Brownout reset (BOR) circuit
  • System peripherals
    • 6-channel Direct Memory Access (DMA) controller
    • 55 individually programmable multiplexed General-Purpose Input/Output (GPIO) pins
    • 23 digital inputs on analog pins
    • 2 digital inputs/outputs on analog pins (AGPIO)
    • Enhanced Peripheral Interrupt Expansion (ePIE)
    • Multiple low-power mode (LPM) support
    • Embedded Real-time Analysis and Diagnostic (ERAD)
    • Unique Identification (UID) number
  • Communications peripherals
    • One Power-Management Bus (PMBus) interface
    • Two Inter-integrated Circuit (I2C) interfaces
    • One Controller Area Network (CAN/DCAN) bus port
    • One Controller Area Network with Flexible Data-Rate (CAN FD/MCAN) bus port
    • Two Serial Peripheral Interface (SPI) ports
    • Two UART-compatible Serial Communication Interface (SCI)
    • Two UART-compatible Local Interconnect Network (LIN) interfaces
    • Fast Serial Interface (FSI) with one transmitter and one receiver (up to 200Mbps)
  • Analog system
    • Three 4-MSPS, 12-bit Analog-to-Digital Converters (ADCs)
      • Up to 23 external channels (includes the two gpdac outputs)
      • Four integrated Post-Processing Blocks (PPB) per ADC
    • Four windowed comparators (CMPSS) with
      12-bit reference Digital-to-Analog Converters (DACs)
      • Digital glitch filters
    • Two 12-bit buffered DAC outputs
  • Enhanced control peripherals
    • 16 ePWM channels with eight channels that have high-resolution capability (150-ps resolution)
      • Integrated dead-band support
      • Integrated hardware trip zones (TZs)
    • Three Enhanced Capture (eCAP) modules
      • High-resolution Capture (HRCAP) available on one of the three eCAP modules
    • Two Enhanced Quadrature Encoder Pulse (eQEP) modules with support for CW/CCW operation modes
    • Eight Sigma-Delta Filter Module (SDFM) input channels (two parallel filters per channel)
      • Standard SDFM data filtering
      • Comparator filter for fast action for overvalue or undervalue condition
    • Embedded Pattern Generator (EPG)
  • Configurable Logic Block (CLB)
    • 4 tiles
    • Augments existing peripheral capability
    • Supports position manager solutions
  • Host Interface Controller (HIC)
    • Access to internal memory from an external host
  • Background CRC (BGCRC)
    • One cycle CRC computation on 32 bits of data
  • Advanced Encryption Standard (AES) accelerator
  • Live Firmware Update (LFU)
    • Fast context switching from old to new firmware
    • Flash bank erase time improvements
  • Diagnostic features
    • Memory Power On Self Test (MPOST)
    • Hardware Built-in Self Test (HWBIST)
  • Functional Safety-Compliant targeted

    • Developed for functional safety applications

    • Documentation available to aid ISO 26262 and IEC 61508 system design

    • Systematic capability up to ASIL D and SIL 3 targeted

    • Hardware capability up to ASIL B and SIL 2 targeted

  • Safety-related certification

    • ISO 26262 certification up to ASIL B and SIL 2 by TÜV SÜD planned

  • Package options:
    • 100-pin Low-profile Quad Flatpack (LQFP)
      [PZ suffix]
    • 80-pin Low-profile Quad Flatpack (LQFP)
      [PN suffix]
    • 64-pin (LQFP) [PM suffix]
    • 48-pin (LQFP) [PT suffix]
  • Temperature options:
    • Free-air (TA): –40°C to 125°C
    • Junction (TJ): –40°C to 150°C