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Data types

Introduction

The language provides 5 base types and 2 composite types that can be used.

• Base types: Bool , Bits , UInt for unsigned integers, SInt for signed integers and Enum.

• Composite types: Bundle and Vec.

In addition to the base types Spinal supports Fixed point that is documented there and floating point that is actually under development there.

Finally, a special type is available for checking equality between a BitVector and a bits constant that contain hole (don’t care values). Below, there is an example :

val myBits  = Bits(8 bits)
val itMatch = myBits === M"00--10--" // - don't care value