EPWM Digital Compare Event Filter

Table of Contents

• Introduction
• External Connections
• Steps to Run the Example
• See Also

Introduction

EPWM Digital Compare Event filter and Blanking window

This example configures ePWM1 as follows:

• ePWM1 with DCAEVT1 forcing the ePWM output LOW
• GPIO25 is used as the input to the INPUT XBAR INPUT1
• INPUT1 (from INPUT XBAR) is used as the source for DCAEVT1
• GPIO25's PULL-UP resistor is enabled, in order to test the trip, PULL this pin to GND
• ePWM1 with DCBEVT1 forcing the ePWM output LOW
• GPIO25 is used as the input to the INPUT XBAR INPUT1
• INPUT1 (from INPUT XBAR) is used as the source for DCAEVT1
• GPIO25's PULL-UP resistor is enabled, in order to test the trip, PULL this pin to GND
• DCBEVT1 uses the filtered version of DCBEVT1
• The DCFILT signal uses the blanking window to ignore the DCBEVT1 for the duration of DC Blanking window

External Connections

• GPIO0 EPWM1A
• GPIO1 EPWM1B
• GPIO25 TRIPIN1, pull this pin low to trip the ePWM

Steps to Run the Example

• When using CCS projects to build, import the CCS project for the required combination and build it using the CCS project menu (see CCS Build Project).
• When using makefiles to build, note the required combination and build using make command (see Makefile based Build)
• Establish connections as mentioned in External Connections section.
• Launch a CCS debug session and run the executable, see CCS_LAUNCH_PAGES

See Also

EPWM