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 NameQ15Q31Q15 fast version
SectionInputDataTypeSame as inputSame as inputSame as input
SectionOutputDataTypeSame as section input Same as section input Same as section input
NumeratorCoefficientsDataTypeCustomCustomCustom
CustomNumeratorCoefficientsDataType numerictype([],16,15)numerictype([],32,31)numerictype([],16,15)
DenominatorCoefficientsDataTypeCustomCustomCustom
CustomDenominatorCoefficientsDataTypenumerictype([],16,15)numerictype([],32,31)numerictype([],16,15)
ScaleValuesDataTypeCustomCustomCustom
CustomScaleValuesDataType numerictype([],16,14)numerictype([],32,30)numerictype([],16,14)
NumeratorProductDataTypeCustomCustomCustom
CustomNumeratorProductDataTypenumerictype([],32,30)numerictype([],64,62)numerictype([],32,30)
DenominatorProductDataTypeCustomCustomCustom
CustomDenominatorProductDataTypenumerictype([],32,30)numerictype([],64,62)numerictype([],32,30)
NumeratorAccumulatorDataTypeCustomCustomCustom
CustomNumeratorAccumulatorDataTypenumerictype([],64,30)numerictype([],64,62)numerictype([],32,30)
DenominatorAccumulatorDataTypeCustomCustomCustom
CustomDenominatorAccumulatorDataTypenumerictype([],64,30)numerictype([],64,62)numerictype([],32,30)
OutputDataTypeSame as inputSame as inputSame as input