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AGofs
Novice
456 Views

ALTPLL and ALTPLL reconfiguration

Good morning,

I've incoming frequency of 50 MHz, and I want to change the output frequency to 20 MHz (D.C.=50%) from C0 by using of ALTPLL reconfiguration.

What the value of the counter_param (2 downto 0) should be chosen?

Should I update all parameters of the counter_param?

What value of data_in (8 downto 0) should be loaded?

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5 Replies
Rahul_S_Intel1
Employee
36 Views

Hi, May I know you are using GUI for the configuration
AGofs
Novice
36 Views

I'm working with QuartusII,REV. 10.1 In addition I'm doing simulation on ModelSim Altera 6.6 C
Rahul_S_Intel1
Employee
36 Views

Hi,

Requesting to check the Table no: 1 of the below document for the conditions .

https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/an/a

 

 

 

 

AGofs
Novice
36 Views

Hi RSree,

thank you for your answer.

Unfortunately ,I'm getting "ERROR 404" for address you sent me.

Do you have another?

Rahul_S_Intel1
Employee
36 Views

HI ,

Really apology for the late reply, kindly find the below link

 

https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/an/an507.pdf

 

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