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aiedb's avatar
aiedb
Icon for Occasional Contributor rankOccasional Contributor
5 months ago

10M08SAU169 configure used pin with pull down resistors

hii

i have my custom board based on 10M08SAU169 and i want to configure my io outputs to be pull down mode in the pin assignment in quartus , is it possible

my output io are an activation to a relays

and i want those pins to be low right away when the fpga gets the supply voltage , how can i do this ?

Board Debug

2 Replies

  • FakhrulA_altera's avatar
    FakhrulA_altera
    Icon for Regular Contributor rankRegular Contributor
    5 months ago

    Hi aiedb,


    From my understanding, no, you cannot set MAX 10 IO pins to internal pull-down at power-up in Quartus. Only weak pull-up or tri-state is supported. You may refer to: MAX® 10 FPGA Configuration User Guide, Table 6: Initialization Configuration Bits.


    Regards,

    Fakhrul


  • FakhrulA_altera's avatar
    FakhrulA_altera
    Icon for Regular Contributor rankRegular Contributor
    5 months ago

    As we haven't received a response to our previous notification, this thread will be transitioned to community support. We hope all your concerns have been addressed. If you have any new questions, please feel free to open a new thread to receive support from Intel experts. Otherwise, community users will continue to assist you here. Thank you.