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Vladimir_Y_Intel's avatar
Vladimir_Y_Intel
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8 years ago

Fitter can't place ATX PLL on Stratix 10

I am building a system with Stratix 10. My intention is to make it work on 20Ghz datarate. I used Platform Programmer in Quartus to create PHY and surrounding blocks like reset control, etc. After...
crclayton's avatar
crclayton
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6 years ago

I can't speak to your situation, but for people coming across this in the future -- I had this same issue with the Stratix 10 GX SI Development Kit, and I switched my QSFP28 from IF0 to IF1 and the issue went away.

#QSFP28 IF1

set_location_assignment PIN_AK49 -to o_tx_serial[0]

set_location_assignment PIN_AL47 -to o_tx_serial[1]

set_location_assignment PIN_AJ47 -to o_tx_serial[2]

set_location_assignment PIN_AF49 -to o_tx_serial[3]

set_location_assignment PIN_AL43 -to i_rx_serial[0]

set_location_assignment PIN_AH45 -to i_rx_serial[1]

set_location_assignment PIN_AF45 -to i_rx_serial[2]

set_location_assignment PIN_AG43 -to i_rx_serial[3]

set_location_assignment PIN_AM38 -to i_clk_ref

#QSFP28 IF0

#set_location_assignment PIN_BD49 -to o_tx_serial[0]

#set_location_assignment PIN_BA47 -to o_tx_serial[1]

#set_location_assignment PIN_AW47 -to o_tx_serial[2]

#set_location_assignment PIN_AY49 -to o_tx_serial[3]

#set_location_assignment PIN_BA43 -to i_rx_serial[0]

#set_location_assignment PIN_BB45 -to i_rx_serial[1]

#set_location_assignment PIN_AY45 -to i_rx_serial[2]

#set_location_assignment PIN_AU43 -to i_rx_serial[3]

#set_location_assignment PIN_AM41 -to i_clk_ref