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Fixed-Point Property Settings for dsp.FIRFilter System Object

Fixpt Property NameQ7Q15Q31
CoefficientDataTypeCustomCustomCustom
CustomCoefficientsDataTypenumerictype(true,8,7)numerictype(true,16,15)numerictype(true,32,31)
ProductDataTypeCustomCustomCustom
CustomProductDataTypenumerictype(true,16,14)numerictype(true,32,30)numerictype(true,64,62)
AccumulatorDataTypeCustomCustomCustom
CustomAccumulatorDataTypenumerictype(true,32,14)numerictype(true,64,30)numerictype(true,64,62)
InputDataTypefixdt(true,8,7)fixdt(true,16,15)fixdt(true,32,31)
OutputDataTypeSame as input or CustomSame as input or CustomSame as input or Custom
CustomOutputDataType
(appears only if OutputDataType is Custom)
numerictype(true,8,7)numerictype(true,16,15)numerictype(true,32,31)