regBIF0_CPM_CONTROL
def = data = RREG32_SOC15(NBIO, 0, regBIF0_CPM_CONTROL);
WREG32_SOC15(NBIO, 0, regBIF0_CPM_CONTROL, data);
data = RREG32_SOC15(NBIO, 0, regBIF0_CPM_CONTROL);