Natural Logarithm - 2020.2 English

Vivado Design Suite Reference Guide: Model-Based DSP Design Using System Generator (UG958)

Document ID
UG958
Release Date
2020-11-18
Version
2020.2 English

This block is listed in the following Xilinx Blockset libraries: Floating-Point, Index, and Math.

The Xilinx Natural Logarithm block produces the natural logarithm of the input.

Block Parameters Dialog Box

Basic tab
Parameters specific to the Basic tab are as follows.
Flow Control Options
Blocking
In this mode, the block waits for data on the input, as indicated by TREADY, which allows back-pressure.
NonBlocking
In this mode, the block operates every cycle in which the input is valid, no back-pressure.
Optional Ports tab
Parameters specific to the Basic tab are as follows.
Input Channel Ports
Has TLAST
Adds a tlast input port to the block.
Has TUSER
Adds a tuser input port to the block.
Control Options
Provide enable port
Adds an enable port to the block interface.
Has Result TREADY
Adds a TREADY port to the output channel.
Exception Signals:
INVALID_OP
Adds an output port that serves as an invalid operation flag.
DIVIDE_BY_ZERO
Adds an output port that serves as a divide-by-zero flag.

LogiCORE¬ô Documentation

LogiCORE IP Floating-Point Operator v7.1