F28335 DAC operation

Hi Kiran,

Check this out: http://www.ti.com/lit/an/spraa88a/spraa88a.pdf

Regards,

Gautam

Thank you Gautam for your repley. but this is all given about f280X series but i am using f28335. here in the f28335 examples it given as below, but it is confusing. just i am trying to send some sine wave data to dac which is there in array format and trying to see it in the scope. any help please. 

void parallel_dac_exapmle(void)
{
//generate phase shifted ramp waveforms
for(;;)
{
update_AD7305();
//update ramp data
AD7305_CH_A++;
AD7305_CH_A&=0xff;
AD7305_CH_B++;
AD7305_CH_B&=0xff;
AD7305_CH_C++;
AD7305_CH_C&=0xff;
AD7305_CH_D++;
AD7305_CH_D&=0xff;
//apply delay
delay_loop_int(2);
}}

Hi,

F28335 ePWM doc mentions:

The ePWM peripheral performs a digital to analog (DAC) function, where the duty cycle
is equivalent to a DAC analog value; it is sometimes referred to as a Power DAC.

Regards,

Gautam

Hi Gautam, Thank you for your kind reply. i am still struggling to initialize ePWM as a DAC. where as in f2812 we have MUX register to configure GPIOs eigther input pin or output pin. like that can i get some commands to  initialize ePWM as a DAC. please don't mind. 

Kiran, check this out:

0513.ADC - SimpleDACtoADC.rar

This is meant for F28069 DAC implementation.

Hope this helps you out.

Regards,

Gautam