SPRUHJ0C April   2013  – October 2021 TMS320F28068M , TMS320F28069-Q1 , TMS320F28069M , TMS320F28069M-Q1

 

  1. 1Read This First
    1. 1.1 About This Manual
    2. 1.1 Glossary
    3. 1.1 Support Resources
    4.     Trademarks
  2. 1 F2806xM InstaSPIN-MOTION Enabled MCUs
  3. 2InstaSPIN-MOTION Key Capabilities and Benefits
    1. 2.1 Overview
    2. 2.2 FAST Unified Observer
    3. 2.3 SpinTAC Motion Control Suite
      1.      IDENTIFY
      2.      CONTROL
      3.      MOVE
      4.      PLAN
    4. 2.4 Additional InstaSPIN-MOTION Features
  4. 3InstaSPIN-MOTION Block Diagrams
    1.     Scenario 1: InstaSPIN-MOTION Speed Control with FAST Software Encoder
    2.     Scenario 2: InstaSPIN-MOTION Speed Control with a Mechanical Sensor
    3.     Scenario 3: InstaSPIN-MOTION Position Control with Mechanical Sensor and Redundant FAST Software Sensor
  5. 4Application Examples
    1. 4.1 Treadmill Conveyor: Smooth Motion Across Varying Speeds and Loads
    2. 4.2 Video Camera: Smooth Motion and Position Accuracy at Low Speeds
    3. 4.3 Washing Machine: Smooth Motion and Position Accuracy at Low Speeds
      1.      Agitation Cycle
      2.      Spin Cycles
    4. 4.4 InstaSPIN-MOTION Works Over the Entire Operating Range
  6. 5Evaluating InstaSPIN-MOTION Performance
    1. 5.1 Overview
    2. 5.2 Velocity Control Performance: SpinTAC vs PI
      1. 5.2.1 Disturbance Rejection
      2. 5.2.2 Reference Tracking
      3. 5.2.3 Step Response
    3. 5.3 Position Control Performance: SpinTAC vs PI
      1. 5.3.1 Disturbance Rejection
      2. 5.3.2 Reference Tracking
      3. 5.3.3 Step Response
      4. 5.3.4 Inertia Estimation Repeatability
  7. 6Microcontroller Resources
    1. 6.1 CPU Utilization
    2. 6.2 Memory Utilization
    3. 6.3 Pin Utilization
      1.      A Resources
        1.       B Definition of Terms and Acronyms
          1.        C Revision History

6.3 Pin Utilization

Flexibility in the design of InstaSPIN-FOC allows for multiple motors to be supported. Table 7-6 lists the minimum and maximum pins used per motor. Note that a F2806xM microcontroller provides (14) ePWM outputs with the 100-pin package, and (12) with the 80-pin package.

Table 6-6 Pin Utilization Per Motor
Pin Type Pin Name Pins Usage Per Motor
Minimum Maximum
Digital PWM1A 3
(Requires External Fault and External Complementary Mode with Dead Time)		 7
PWM1B (Optional)
PWM2A
PWM2B (Optional)
PWM3A
PWM3B (Optional)
Trip Zone (Optional)
Analog IA 5
(Only two currents and no VBUS ripple compensation)		 7
IB
IC (Optional)
VA
VB
VC
VBUS (Optional)

 
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