DS90UB947-Q1: 0x5c

Dongbao Zhou

Part Number: DS90UB947-Q1

hello,

For the 0x5C[2:0] FREQ_HYST setting, if the clock frequency is over the setting, what will happen? Lose lock?

Can we set 0x5C[2:0]=0x03 to improve the hysteresis? Thanks.

Dongbao

0 Hamzeh Jaradat over 4 years ago

hello Dongbao,

if you write 0x03 instead of 0x02 then you are increasing the window of allowed fluctuations in the frequency.

0 Dongbao Zhou over 4 years ago in reply to Hamzeh Jaradat

Hi Hamzeh,

What will happen if the clock frequency is over the 0x5C[2:0] FREQ_HYST setting,? Lose lock?

Thanks.

Dongbao

0 Hamzeh Jaradat over 4 years ago in reply to Dongbao Zhou

If the clock frequency is outside the Hysteresis range the freq_stable signal will be deasserted.

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