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Altera_Forum's avatar
Altera_Forum
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17 years ago

generate clock with pll

Hi,

I'd like to know how to generate a clock with the PLL to obtain two frequencies 8kHz and 256khz and simulate with ModelSim altera in cpld.thanks

11 Replies

  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor

    I don't think you can use an Altera PLL with that low a frequency.

    You could use a PLL locked to, and generating, a higher frequency and divide down to 8KHz and 256KHz with logic.

    It depends what your input clock frequency is.