SPRADL7 July   2025 F28E120SC

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1 Introduction
  5. 2 Key Differences Between EPWM and MCPWM
  6. 3 Time-Base Submodule Differences
    1. 3.1 Register Differences
    2. 3.2 Driverlib Differences
  7. 4 Counter-Compare Submodule Differences
    1. 4.1 Register Differences
    2. 4.2 Driverlib Differences
  8. 5 Action-Qualifier Submodule Differences
    1. 5.1 Register Differences
    2. 5.2 Driverlib Differences
  9. 6 Dead-Band Submodule Differences
    1. 6.1 Register Differences
    2. 6.2 Driverlib Differences
  10. 7 Trip-Zone Submodule Differences
    1. 7.1 Register Differences
    2. 7.2 Driverlib Differences
  11. 8 Event-Trigger Submodule Differences
    1. 8.1 Register Differences
    2. 8.2 Driverlib Differences
  12. 9 Global Load Differences
    1. 9.1 Register Differences
    2. 9.2 Driverlib Differences
  13. 10Summary
  14. 11References

6.2 Driverlib Differences

The Dead-Band Submodule driverlib differences between MCPWM and EPWM are listed in Table 6-2.

Table 6-2 Dead-Band Submodule Driverlib Differences Between MCPWM and EPWM

EPWM Function

MCPWM Function

Explanation

-

MCPWM_setFallingEdgeDelayCountShadow

Addition of memory-mapped shadow register for DBFED

-

MCPWM_setRisingEdgeDelayCountShadow

Addition of memory-mapped shadow register for DBRED

EPWM_setFallingEdgeDelayCount

MCPWM_setFallingEdgeDelayCountActive

Function name change to indicate difference between active register and shadow register

EPWM_setRisingEdgeDelayCount

MCPWM_setRisingEdgeDelayCountActive

Function name change to indicate difference between active register and shadow register

EPWM_disableDeadBandControlShadowLoadMode

-

Shadow loading not enabled or disabled on MCPWM. Only shadow load event is selected and correct shadow / active register is written to by the user.

EPWM_disableFallingEdgeDelayCountShadowLoadMode

-

Shadow loading not enabled or disabled on MCPWM. Only shadow load event is selected and correct shadow / active register is written to by the user.

EPWM_disableRisingEdgeDelayCountShadowLoadMode

-

Shadow loading not enabled or disabled on MCPWM. Only shadow load event is selected and correct shadow / active register is written to by the user.

EPWM_setDeadBandControlShadowLoadMode

-

No shadow register for DBCTL

EPWM_setDeadBandCounterClock

-

Half-cycle clocking mode removed from MCPWM