• State Resolved
  • Locked Locked
  • Replies 4 replies
  • Subscribers 97 subscribers
  • Views 425 views
  • Users 0 members are here
Support feedback
Options
Options
Related

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

AM4377: eHRPWM question

Rohini E
Intellectual 610 points
Part Number: AM4377


what happens if I use eHRPWM module in AM437X processor without giving TRIPZONE_IN(INTERRUPT)?

  • 0
    TI__Guru**** 393215 points
    The PWMSS can be used for a lot of purposes. Please describe IN DETAILS your use case and software you use.
  • 0 in reply to Biser Gatchev-XID
    Intellectual 610 points

    My design is to use the eHRPWM signal for controlling speed of another device. So, I want to know whether I should give all the signals in that module like sync_in,trapzone_in(inputs to that module). I would like to know the answer in  hardware perspective. 

  • 0 in reply to Rohini E
    Intellectual 610 points
    Sync_in & tripzone_in are mandatory or not?
  • 0 in reply to Rohini E
    TI__Guru**** 393215 points

    Time-base synchronization input (EPWMxSYNCI) and output (EPWMxSYNCO) signals:

    The synchronization signals daisy chain the ePWM modules together. Each module can be configured to either use or ignore its synchronization input. The clock synchronization input and output signal are brought out to pins only for ePWM1 (ePWM module #1). The synchronization output for ePWM1 (EPWM1SYNCO) is also connected to the SYNCI of the first enhanced capture module (eCAP1).

    Trip-zone signals (TZ1 to TZn):

    These input signals alert the ePWM module of an external fault condition. Each module on a device can be configured to either use or ignore any of the trip-zone signals. The trip-zone signal can be configured as an asynchronous input through the GPIO peripheral.