Intel® Arria® 10 Native Fixed Point DSP IP Core User Guide

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ID 683583
Date 3/13/2017
Public

2.1.4. Accumulator/Output Cascade Tab

Table 4.  Accumulator/Output Cascade Tab
Parameter IP Generated Parameter Value Description
Enable 'accumulate' port enable_accumulate No

Yes

Select Yes to enable accumulator port.
Enable 'negate' port enable_negate No

Yes

Select Yes to enable negate port.
Enable 'loadconst' port enable_loadconst No

Yes

Select Yes to enable loadconst port.
Register input 'accumulate' of the accumulator accumulate_clock No

Clock0

Clock1

Clock2

Select Clock0 , Clock1 or Clock2 to enable and specify the input clock signal for the accumulate input registers.
Register input 'loadconst' of the accumulator load_const_clock No

Clock0

Clock1

Clock2

Select Clock0 , Clock1 or Clock2 to enable and specify the input clock signal for the loadconst input registers.
Register input 'negate' of the adder unit negate_clock No

Clock0

Clock1

Clock2

Select Clock0 , Clock1 or Clock2 to enable and specify the input clock signal for the negate input registers.
Enable double accumulator enable_double_accum No

Yes

Select Yes to enable double accumulator feature.
N value of preset constant load_const_value Integer Specify the preset constant value.

This value can be 2N where N is the preset constant value.

Enable chainin port use_chainadder No

Yes

Select Yes to enable output cascade module and the chainin input bus.

Output cascade feature is not supported in m18×18_full operation mode.

Enable chainout port chainout_enable No

Yes

Select Yes to enable the chainout output bus.

Output cascade feature is not supported in m18×18_full operation mode.

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