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onsemi
Forum zero crossing of th AMIS -49,587
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zero crossing of th AMIS -49,587

Former Member
Former Member over 15 years ago

bonjours,

 

sur le composantAMIS -49587 il y a un paramettre R_ZC_ADJUSTqui est défini ainsi

 

"R_ZC_ADJUST           1 byte           00 to FF

Value according to the voltage level of the 50 Hz information for the input of the PLL."

 

or il n'y a pas plus d'information sur ce registre!

 

pourriez vous me dire a quoi sert ce parramettre, est ce pour régler un temps de retard ?

et comment calculer la valeur a mettre dans ce registre

merci par avance

 

Philippe

-------------------------------------------------------------------------

greetings,

on componant AMIS -49,587 there is a parametter R_ZC_ADJUST which is defined as

 


"R_ZC_ADJUST 1 byte 00 to FF

Value according to the voltage level of the 50 Hz information for the input of the PLL."

 


Now, there is no more information on this register!

 


could you tell me what is this parrameter, is it to set a time delay?

 

and how calculate the value set in this register

 

thank you in advance
philippe
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  • ALex
    0 ALex over 15 years ago

    Hi, Philippe,

      The 50Hz signal of power line is used to create a main frequency by PLL. And the 50Hz signal voltage will be measured.  So the value of  R_ZC_ADJUST is just voltage level of 50Hz signal.

     

    Best regards

     

    Alex Wan

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