The IOB attribute controls if a register should go into the I/O buffer. The
values are TRUE or FALSE. Place this attribute on the register that you want in the I/O buffer.
This attribute can be set only in the RTL.
The IOB attribute controls if a register should go into the I/O buffer. The
values are TRUE or FALSE. Place this attribute on the register that you want in the I/O buffer.
This attribute can be set only in the RTL.