SIMDR1_SYNCMD
tmp = FIELD_PREP(SIMDR1_SYNCMD, SIMDR1_SYNCMD_SPI) |
clr = SIMDR1_SYNCMD;
set = FIELD_PREP(SIMDR1_SYNCMD, SIMDR1_SYNCMD_SPI);
FIELD_PREP(SIMDR1_SYNCMD, SIMDR1_SYNCMD_LR);
FIELD_PREP(SIMDR1_SYNCMD, SIMDR1_SYNCMD_LR);