Fixed-Point Property Settings for Biquad Filter Block

For help configuring the Biquad Filter block for code replacement with the CMSIS library, type help configforCMSISCRL on the MATLAB® command line.

Fixed-Point Property NameQ15Q31Q15 fast version
stageInputModeSame as inputSame as inputSame as input
stageOutputModeSame as section inputSame as section inputSame as section input
firstCoeffModeBinary point scalingBinary point scalingBinary point scaling
firstCoeffWordLength163216
firstCoeffFracLength153115
secondCoeffFracLength153115
scaleValueFracLength143014
prodOutputModeBinary point scalingBinary point scalingBinary point scaling
prodOutputWordLength326432
prodOutputFracLength306230
DenProdOutputFracLength306230
accumModeBinary point scalingBinary point scalingBinary point scaling
accumWordLength646432
accumFracLength 306230
DenAccumFracLength306230
OutputModeBinary point scalingBinary point scalingBinary point scaling