ASC_CC_SINGLE_STEP
ASC_CC_SINGLE_STEP | ASC_CC_DIAG | ASC_CC_TEST));
(ctrl_reg & ASC_CC_SINGLE_STEP)) {
(~(ASC_CC_SINGLE_STEP | ASC_CC_TEST |
(~(ASC_CC_SINGLE_STEP | ASC_CC_TEST | ASC_CC_DIAG));