Forum Discussion
BrianSune_Froum
Contributor
ContributorCyclone 5 SoC FPGA Bank Supply Prerequisite
Dear Altera Support Team, I am not sure this is correct and did not found much info on Handbook. Device 5CSXF6C6U23 CASE 1: BANK 5A 5B only supplied VCCPD to 2.5V and VCCIO is floated. JTAG s...
AqidAyman_Altera
Regular Contributor
Regular ContributorHi BrianSune_Froum ,
As per check in the device pinout file, there are some configuration pins located in BANK 5A, especially the INIT_DONE pin. If INIT_DONE is never asserted, it can cause configuration failure as per my understanding.
Regards,
Aqid
BrianSune_FroumContributor
ContributorI am not sure you are Altera staff?
With basic electronic knowledge I guess open-drain should be easily understood.
With all do respect:
"Output OD"
Disabled
Default:
Again Output OD:
Again off: Output OD
So with the project default turned off the possible input function pins that you would like to "guess"
How could this introduce issue?
Brian
