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Intel: Please tell me how to control the start and end of calculation for ∑ when calculating ∑ (total) of 1000 sums of products and sums of squares with ALTMULT_ACCUM.
Category: DSP
Tools: Quartus® Prime
device:-
The settings shown below are recommended.
The functions are as follows.
・Latency from input to output is 3 clocks
・The multiplication result of the input (dataa, datab) entered at the same time as accum_solad = H is treated as the "first value" of the total
(The total up to the previous input disappears.)
・Asynchronous reset Aclr0 (High Active) resets all registers to 0
In addition, as a general problem that must be considered in fixed-point number sum-of-products calculation, how to set the data width and sign, and how to set and handle rounding, bit shift, and overflow detection, while considering the characteristics of the data to be handled. Please note that there is a thing called.
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