How to see internal OSC frequency in Modelsim

Question

Hi,We use Max 10 device and internal oscillator is used.When dragging internal oscillator clock to wave in Altera Modelsim , the clock is always high impedance.Please let us know how to make it happen.

vicky1 · Answer

Hi Jamie,For clock output signal, you need to enable the internal oscillator. Input(oscena) high to enable the oscillator.Refer the "Table 1. Frequency Range for Supported Intel Devices"https://www.intel.com/content/www/us/en/programmable/documentation/wtw1407741003234.html#wtw1407741079693Find the screenshot for 55 MHz.Regards,Vikas

jw1121 · Answer

Hi Vikas,Please give me your test file so that I can compare their difference.Regards,Jamie

vicky1 · Answer

Hi Jamie,
Could you please check at your end?
either you can initialize"oscena" to high or force to high.
if you have specific issue, please let me know
Regards,
Vikas

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How to see internal OSC frequency in Modelsim

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