Block Parameters
If the block in the subsystem has a Signal Attributes tab, navigate to that tab.
For the Integer rounding mode parameter, select
Round.Clear the Saturate on integer overflow check box.
For the Output data type parameter, select a fixed-point data type.
Click the Data Type Assistant button.
For the Word length parameter, enter
8,16, or32.For the Mode parameter, select
Fixed point.For the Scaling parameter, select
Binary point.
Click OK.