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Table 16-3: ALTFP_COMPARE Input Signals
Port Name Required Description
aclr No Asynchronous clear. The source is asynchronously reset when asserted
high.
clk_en No Clock enable. When this port is asserted high, a compare operation
takes place. When signal is asserted low, no operation occurs and the
outputs remain unchanged.
clock Yes Clock input to the IP core.
dataa[] Yes Data input. The MSB is the sign bit, the next MSBs are the exponent,
and the LSBs are the mantissa. This input port size is the total width of
sign bit, exponent bits, and mantissa bits.
datab[] Yes Data input. The MSB is the sign bit, the next MSBs are the exponent,
and the LSBs are the mantissa. This input port size is the total width of
sign bit, exponent bits, and mantissa bits.
Table 16-4: ALTFP_COMPARE Output Signals
Port Name Required Description
aeb Yes Output port for the comparator. Asserted if the value of the dataa[]
port equals the value of the datab[] port.
agb Yes Output port for the comparator. Asserted if the value of the dataa[]
port is greater than the value of the datab[] port.
ageb Yes Output port for the comparator. Asserted if the value of the dataa[]
port is greater than or equal to the value of the datab[] port.
alb Yes Output port for the comparator. Asserted if the value of the dataa[]
port is less than the value of the datab[] port.
aleb Yes Output port for the comparator. Asserted if the value of the dataa[]
port is less than or equal to the value of the datab[] port.
aneb Yes Output port for the comparator. Asserted if the value of the dataa[]
port is not equal to the value of the datab[] port.
unordered Yes Output port for the comparator. Asserted when either the dataa[] port
and the datab[] port is set to NaN, or if both the dataa[] port and the
datab[] port are set to NaN.
ALTFP_COMPARE Parameters
16-4
ALTFP_COMPARE Parameters
UG-01058
2014.12.19
Altera Corporation
ALTFP_COMPARE IP Core
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