Fixed-Point Property Settings for dsp.BiquadFilter System Object
For help configuring the dsp.BiquadFilter
System object™ for code replacement with the CMSIS library, type
help configforCMSISCRL
on the MATLAB® command line.
Fixpt Property Name | Q15 | Q31 | Q15 fast version |
---|---|---|---|
SectionInputDataType | Same as input | Same as input | Same as input |
SectionOutputDataType | Same as section input | Same as section input | Same as section input |
NumeratorCoefficientsDataType | Custom | Custom | Custom |
CustomNumeratorCoefficientsDataType | numerictype([],16,15) | numerictype([],32,31) | numerictype([],16,15) |
DenominatorCoefficientsDataType | Custom | Custom | Custom |
CustomDenominatorCoefficientsDataType | numerictype([],16,15) | numerictype([],32,31) | numerictype([],16,15) |
ScaleValuesDataType | Custom | Custom | Custom |
CustomScaleValuesDataType
| numerictype([],16,14) | numerictype([],32,30) | numerictype([],16,14) |
NumeratorProductDataType | Custom | Custom | Custom |
CustomNumeratorProductDataType | numerictype([],32,30) | numerictype([],64,62) | numerictype([],32,30) |
DenominatorProductDataType | Custom | Custom | Custom |
CustomDenominatorProductDataType | numerictype([],32,30) | numerictype([],64,62) | numerictype([],32,30) |
NumeratorAccumulatorDataType | Custom | Custom | Custom |
CustomNumeratorAccumulatorDataType | numerictype([],64,30) | numerictype([],64,62) | numerictype([],32,30) |
DenominatorAccumulatorDataType | Custom | Custom | Custom |
CustomDenominatorAccumulatorDataType | numerictype([],64,30) | numerictype([],64,62) | numerictype([],32,30) |
OutputDataType | Same as input | Same as input | Same as input |