TIDUE73A April   2018  – November 2024

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6.   6
  7. 1System Description
    1. 1.1 Key System Specifications
  8. 2System Overview
    1. 2.1 Block Diagram
    2. 2.2 Highlighted Products
      1. 2.2.1 C2000 Real-Time MCU LaunchPad
      2. 2.2.2 SN65HVD78
      3. 2.2.3 TLV702
      4. 2.2.4 TPS22918-Q1
    3. 2.3 Design Considerations
      1. 2.3.1 BiSS-C Protocol
        1. 2.3.1.1 Line Delay Compensation
        2. 2.3.1.2 Processing Time Request by Encoder
        3. 2.3.1.3 Control Communication
      2. 2.3.2 C2000 BiSS-C Encoder Interface Overview
      3. 2.3.3 TIDM-1010 Board Implementation
      4. 2.3.4 MCU Resource Requirements
        1. 2.3.4.1 Input, Output Signals, and CLB Tiles
      5. 2.3.5 CLB BiSS-C Implementation Details
        1. 2.3.5.1 Transaction Waveforms
        2. 2.3.5.2 FRAME_STATE Generation
        3. 2.3.5.3 CLB_SPI_CLOCK Generation
        4. 2.3.5.4 ENCODER_CLOCK (MA) Generation
      6. 2.3.6 PM BiSS-C Interface Library
        1. 2.3.6.1 PM BiSS-C Library Functions
  9. 3Hardware, Software, Testing Requirements, and Test Results
    1. 3.1 Hardware
      1. 3.1.1 TIDM-1010 Jumper Configuration
    2. 3.2 Software
      1. 3.2.1 C2000 Driver Library (DriverLib)
      2. 3.2.2 C2000 SysConfig
      3. 3.2.3 C2000 Configurable Logic Block Tool
      4. 3.2.4 Installing Code Composer Studio™ and C2000WARE-MOTORCONTROL-SDK
      5. 3.2.5 Locating the Reference Software
    3. 3.3 Testing and Results
      1. 3.3.1 Hardware Configuration
      2. 3.3.2 Building and Loading Project
      3. 3.3.3 Running Example Code
      4. 3.3.4 Encoder Test
      5. 3.3.5 Benchmarks
      6. 3.3.6 Troubleshooting
  10. 4Design Files
  11. 5Software Files
  12. 6Related Documentation
    1.     Trademarks
  13. 7Terminology
  14. 8About the Authors
  15. 9Revision History

1.1 Key System Specifications

Table 1-1 Key System Specifications
PARAMETER SPECIFICATIONS DETAILS
Input voltage 5 V(1) Section 3.3.1
Output voltage (encoder) 5 V Section 3.3.1
Protocol supported BiSS-C point-to-point BiSS
Maximum Frequency 10 MHz Supported up to 10-m cable.Section 2.3.1.1
Encoder bits BiSS-C protocol standard BiSS
Position data CRC x^6 + x + 1 Polynomial for position data (single cycle data) verification
Control data CRC x^4 + x + 1 Polynomial for control data verification
Control data features Single register read, single register write
CPU cycles Section 3.3.5
Code size Section 3.3.5
(1) The encoder connected to the TIDM-1010 device determines the current limit required of this supply. TI recommends using a generic, bench-top, adjustable, power supply with an adjustable current limit instead of the TIDM-1010 generated voltage.