Floating-Point IP Cores User Guide

ID 683750
Date 10/27/2021

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12.5. ALTFP_SINCOS Parameters

Table 72.  ALTFP_SINCOS IP Core Parameters
Parameter Name Type Required Description
WIDTH_EXP Integer Yes Specifies the precision of the exponent. The bias of the exponent is always set to 2(WIDTH_EXP-1) -1 (that is, 127 for single-precision format). The value of WIDTH_EXP must be 8 for single-precision format and must be less than WIDTH_MAN. The available value for WIDTH_EXP is 8.
WIDTH_MAN Integer Yes Specifies the precision of the mantissa. The value of WIDTH_MAN must be 23 when WIDTH_EXP is 8. Otherwise, WIDTH_MAN must be a minimum of 31. The value of WIDTH_MAN must be greater than WIDTH_EXP. The available value for WIDTH_MAN is 23.
PIPELINE Integer Yes The number of pipeline is fixed for the mantissa width and some internal parameter. For the correct settings, refer to Output Latency.

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