SPRABF9 March   2019 TMS320C6742 , TMS320C6742 , TMS320C6746 , TMS320C6746 , TMS320C6748 , TMS320C6748

 

  1.   1
  2.   Trademarks
  3. 1Introduction
  4. 2Model Activity
    1. 2.1 Activity-Based Models
    2. 2.2 Baseline Power
    3. 2.3 Activity Power
    4. 2.4 Modules
  5. 3Using the Power Estimation Spreadsheet
    1. 3.1 Choosing Appropriate Values
      1. 3.1.1 Utilization
      2. 3.1.2 % Writes
      3. 3.1.3 % Switching
  6. 4Using the Results
    1. 4.1 Adjusting I/O Power Result
  7. 5Thermal Considerations
  8. 6Example
  9. 7Limitations
  10. 8References

3 Using the Power Estimation Spreadsheet

The power estimation spreadsheet involves entering the appropriate usage parameters as input data in the spreadsheet. Cells that are designed for user input are white in color. The following steps explain how to use the spreadsheet:

  1. Select the voltage, junction temperature, PLLs configuration and device frequency for the estimated end application.
  2. Fill in the appropriate module use parameters.

The spreadsheet takes the provided information and displays the details of power consumption for the chosen configuration.

As the spreadsheet is being configured, not all settings are checked for conflicts, for example, peripheral clock frequency out of allowed range, and so forth. Consult the device-specific data manual for max frequency limitations. For best results, enter the information from left to right starting at the top and moving downward.