READ_TC
if (READ_TC(sc, TC_SR) & TC_SR_CPCS) {
uint32_t prev_cvr, cvr, divi = READ_TC(sc, TC_RC), diff;
prev_cvr = READ_TC(sc, TC_CV);
prev_cvr = READ_TC(sc, TC_CV);
cvr = READ_TC(sc, TC_CV);
cvr = READ_TC(sc, TC_CV);