Forum Discussion
patrick03
New Contributor
3 months agoMAX10 FPGA IOs not entering Tri-state (Hi-Z)
Hello Team, I am using 10M16 FPGA and observed that the IOs are not getting tri-stated/ Hi-Z state after: The Reset is released through a switch / press button on "DEV_CLRN" pin, considering there...
FvM
Super Contributor
3 months agoHi Patrick,
I believe this is a misunderstanding. DEV_OE pin is only functional in user mode (with valid configuration loaded) when enabled in device and pin options. Default IO pin state is three-state with weak pull-up, that's what you'll see before loading .sof or configuration from non-volatile memory.
Regards
Frank
AqidAyman_Altera
Regular Contributor
2 months agoHi,
Please refer to the link below on the I/O pins' behaviour during every configuration sequence:
Regards,
Aqid