2^N is equivalent shifting a 1 to the left N times, starting from bit 0.
So bit N14 x 2^14 simply sets bit 14 of (say) a 16 bit register. If that is the only bit set in the register, the value is 16384.
2^N is equivalent shifting a 1 to the left N times, starting from bit 0.
So bit N14 x 2^14 simply sets bit 14 of (say) a 16 bit register. If that is the only bit set in the register, the value is 16384.