MODE_RTD_MASK
*mode_val &= ~(MODE_RTD_MASK << MODE_BIT_OFFSET_RTD(reg - 1));
*mode_mask |= MODE_RTD_MASK << MODE_BIT_OFFSET_RTD(reg - 1);
*mode_val |= (RTD_MODE_VOLTAGE & MODE_RTD_MASK)
*mode_mask |= MODE_RTD_MASK << MODE_BIT_OFFSET_RTD(reg - 1);
*mode_val |= (md & MODE_RTD_MASK) << MODE_BIT_OFFSET_RTD(reg - 1);
*mode_mask |= MODE_RTD_MASK << MODE_BIT_OFFSET_RTD(reg - 1);