SIBA_SPROM4_GPIOB
SIBA_SHIFTOUT(gpio2, SIBA_SPROM4_GPIOB, SIBA_SPROM4_GPIOB_P2);
SIBA_SHIFTOUT(gpio3, SIBA_SPROM4_GPIOB, SIBA_SPROM4_GPIOB_P3);