Altera Floating-Point - Manual (Page 154)

Category Parameter Values Descriptions
Fixed Point Data
Width 16 to 128 The bit width of the fixed
point data port. This
parameter is only available
when the Name parameter is
set to Convert.
Fraction 0 to Fixed Point Data
Width
The bit width of the fraction.
This parameter is only
available when the Name
parameter is set to Convert.
Sign Signed, Unsigned Chose if the fixed point data
is signed or unsigned. This
parameter is only available
when the Name parameter is
set to Convert. The default
value is signed.
Rounding
Mode
• nearest with tie
breaking to even
• toward zero
• nearest with tie
breaking away
from zero
The rounding mode. The
nearest with tie breaking
away from zero and toward
zero values are only available
when you use arithmetic
functions
Relax rounding to
round up or down to
reduce resource
usage
Turn on, Turn Off Choose if the nearest
rounding mode should be
relaxed to faithful rounding,
where the result may be
rounded up or down, to
reduce resource usage. Only
available for arithmetic
functions
Ports Generate Enable
Port
Turn on, Turn Off Choose if the ALTERA_FP_
FUNCTION IP core should
have an enable signal.
UG-01058
2014.12.19
ALTERA_FP_FUNCTIONS Parameters 18-27
ALTERA_FP_FUNCTIONS IP Core Altera Corporation
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