Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

ArriaII GX and SDI MegaCore Function

HD-SDI's refclk frequencys are 148.5MHz and 148.35MHz. I am planning to swicth 148.5MHz and 148.35MHz before SDI MegaCore Function by RTL programming. example) assign refclk=sw? refclk1 : re...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

--- Quote Start ---

By the way, to switch between two data rate, I think you would also need to enable the TX PLL switching in the IP core to allow dynamic reconfiguration for data rate switching.

--- Quote End ---

Thank you, nic_@-san,

To enable the TX PLL, Should I use tx_serial_refclk,tx_serial_refclk1 of SDI MegaCore Function?

Is the item TX PLL select/reconfig in dynamic reconfiguration(AN588 page 30)?

Please tell me switching method in detail.