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 # BitsMask

 Last update: 17.07.2025 

Returns a mask of a number of bits at the given position.

## Interface

NameKindTypeCommentNPN/ASize of the bit-fieldpIintegerStart bit position  
Range: \[0, N\[lIintegerNumber of bits to set  
Range: \[0, N-p\[maskOunsigned<<N>>Resulting mask**Parent topic:**[Bitfield](../../libraries/bitfield/bitfield.md)