Filter Coefficients - 7.2 English

FIR Compiler (PG149)

Document ID
PG149
Release Date
2022-10-26
Version
7.2 English

Coefficient Source : Specifies which coefficient input method to use, directly in the GUI using the Coefficient Vector parameter or from a . coe file specified by the Coefficient File parameter.

Coefficient Vector : Used to specify the filter coefficients directly in the GUI. The filter coefficients are specified in decimal using a comma delimited list as for the coefdata field in the Filter Coefficient Data file. As with the . coe file, the filter coefficients can be specified using non-integer real numbers which the FIR Compiler quantizes appropriately, given your requirements. See Coefficient Quantization for more details.

Coefficients File : Coefficient file name. This is the file of filter coefficients. The file has a .coe extension, and the file format is described in the Filter Coefficient Data section. The file can be selected through the dialog box activated by the Browse.

Show Coefficients : Selecting this button displays the filter coefficient data defined in the specified Coefficient file in a pop-up window.

Number of Coefficient Sets : The number of sets of filter coefficients to be implemented. The value specified must divide without remainder into the number of coefficients derived from the . coe file or Coefficient Vector.

Number of Coefficients (per set) : The number of filter coefficients per filter set. This value is automatically derived from the specified coefficient data and the specified number of coefficient sets.

Use Reloadable Coefficients : When the Reloadable option is selected, a coefficient reload interface is provided on the core.