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100% PWM duty_cycle
Related Posts

  • Forum Post: Re: tricky PWM 100% duty cycle problem in 28335

    Kuldeep Kumar Mynampati
    Daniel, I tried setting the registers as per your note. EPwm1Regs.CMPA.half.CMPA = 0x0; EPwm2Regs.CMPA.half.CMPA = 0x0; EPwm3Regs.CMPA.half.CMPA = 0x0; But I see the same problem (PWM stops). If I run with settings below it runs. EPwm1Regs.TBPRD = 0x2710; EPwm2Regs.TBPRD = 0x2710; EPwm3Regs...
    on Jan 18, 2012

  • Forum Post: RE: Problem scoping PWM with frequency 50Hz from F28069

    Prathamesh dhanpalwar
    Hello David, Thank you so much for your reply. I have got the error while building, but I declared the type PERIOD by Uint 16, thinking it would exceed the range. The error didnt occur later. But I still cannot get pulse wave at all frequencies. Actually I want to generate pulse wave at all frequencies...
    on Apr 22, 2012

  • Forum Post: Controlling servo motor by PWM from F28069

    Prathamesh dhanpalwar
    Hello, I need to control a servo motor that has pulse duration from 0.9mS to 2.1mS with 1.5mS as center. The pulse refreshes at 50Hz (20mS). Is the dead band the only way? and how can I use it?
    on Apr 23, 2012

  • Forum Post: Generating Signal at ePWMxB

    Bhanu Angirekula
    1
    on Jun 4, 2012

  • Forum Post: F28335 suddenly disconnects from the CCS v3.3

    Javier Gonzalez
    Hi. im working with the F28335 on a Photovoltaic application im using the ADC to sense voltage and current and PWM to control the Duty ratio now im changing the duty ratio and it seems that in some point my DSP fails and disconnects from the CCS and i have to close all and start again. i...
    on Jul 19, 2012

  • Forum Post: PWM chopper

    Prathamesh dhanpalwar
    Hello, I have tried to look for PWM chopper module example project in control suite, but couldnt find any. Can anyone let me know how can I get better understanding of it. I need to generate 7 pwms with a gap before the next 7 pwms. Regards-
    on Aug 7, 2012

  • Forum Post: PWM in TMS320F28335

    Parth Parmar
    #include "DSP2833x_Device.h" void InitSysCtrl(void); void main(void) { int a; InitSysCtrl(); EALLOW; GpioCtrlRegs.GPAMUX1.all = 0; // GPIO15 ... GPIO0 = General Puropse I/O GpioCtrlRegs.GPAMUX1.bit.GPIO0 = 1; // ePWM1A active EDIS; EPwm1Regs.TBCTL.bit.CLKDIV = 2; //for CLKDIV = 4 EPwm1Regs...
    on Jan 22, 2013

  • Forum Post: RE: PWM in TMS320F28335

    Parth Parmar
    Thanks Noah, But I m getting variable duty cycle with variable frequency in same code using constant at 292 but I want to get fixed 1KHz freq. How can i get it ???? Thanks Parth
    on Jan 31, 2013

  • Forum Post: Generation of triangular waveforms with an offset

    Bhanu Angirekula
    Hi I need to generate four triangular signals with an offset of 0.5 and two sinusoidal waveforms which are 180 degree out of phase and compare them. I can generate sinusoidal waveforms . But I don't know how to get an offset in triangular waves???. I would be grateful if anyone can help me...
    on Feb 20, 2013

  • Forum Post: Signal Generator triangle waveform

    Bhanu Angirekula
    Hi I want to generate 4 triangular waveforms each with an amplitude of 0.5 in DSP F28335. For that I am using signal generator to generate triangle waveforms. Here I have two questions 1. How to generate UP-DOWN count mode 2. What is the maximum frequency of triangle waveform and how to generate...
    on Apr 8, 2013

  • Forum Post: ePWM On duty cycle fall out / extra switching when unwanted. TMS32028035

    Randy Carpenter
    I'm having an issue with the ePWM on a TMS320F28035. I would like to generate a pure 100kHz square wave form duty cycle with no higher frequency switching. Output High duty cycle looks like a comb... _____|`|_|`|_|`|_|`|____ I want it to look like _____|``````````````|______ I've been trying...
    on May 9, 2013

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