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

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ID 683583
Date 3/13/2017
Public

2.1.6. Maximum Input Data Width Per Operation Mode

You can customize the data width for x, y, and z inputs as specified in the table.
Table 6.  Maximum Input Data Width Per Operation Mode
Operation Mode Maximum Input Data Width
ax ay az bx by bz
Without Pre-adder or Internal Coefficient
m18×18_full

18 (signed)

18 (unsigned)

19 (signed)

18 (unsigned)

Not used

18 (signed)

18 (unsigned)

19 (signed)

18 (unsigned)

Not used
m18×18_sumof2
m18×18_systolic
m18×18_plus36
m27×27

27 (signed)

27 (unsigned)

Not used
With Pre-adder Feature Only
m18×18_full

18 (signed)

18 (unsigned)

m18×18_sumof2
m18×18_systolic
m27×27

27 (signed)

27 (unsigned)

26 (signed)

26 (unsigned)

Not used
With Internal Coefficient Feature Only
m18×18_full Not used

19 (signed)

18 (unsigned)

Not used

19 (signed)

18 (unsigned)

Not used
m18×18_sumof2
m18×18_systolic
m27×27

27 (signed)

27 (unsigned)

Not used

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