Altera Quartus II Settings File - Manual (Page 431)

ALWAYS_ENABLE_INPUT_BUFFERS
Enables input buffers on all I/O pins including output pins. This option is required for the SAMPLE/
PRELOAD JTAG instruction to function correctly on output pins. Turning on this option consumes
more power.
Type
Boolean
Device Support
This setting can be used in projects targeting any Altera device family.
Notes
This assignment is included in the Fitter report.
Syntax
set_global_assignment -name ALWAYS_ENABLE_INPUT_BUFFERS <value>
Default Value
Off
MNL-Q21005
2015.05.04
ALWAYS_ENABLE_INPUT_BUFFERS 431
Quartus Settings File Reference Manual Altera Corporation
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