Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

ADC, DAC problem in audio codec

Hy, I want to configure in ADC and DAC mode the audio codec. I want fs=48khz, so i need a fmclk=12.288mhz. How can i obtain sa 12.288 mhz frequency from 50 mhz clock? Is it ok is i di...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

You can come quite near (about 600 ppm) to the nominal frequency e.g. with a Cyclone III PLL by using the factor 15/61.