Maxim Integrated MAXQ7666 - Manual (Page 296)

MAXQ7665/MAXQ7666 User’s Guide
10-10
Figure 10-4. TAP Controller Debug Mode—DR-Scan Example
OLD DATA NEW DATA
DATA REGISTER
TCK
TMS
TDI
TDO
CONTROL
STATE
SHIFT
REGISTER
PARALLEL
OUTPUT
INSTRUCTION
REGISTER
TDO
ENABLE
DON'T CARE OR UNDEFINED DON'T CARE OR UNDEFINED
DON'T CARE OR UNDEFINED
TEST-LOGIC-RESET
RUN-TEST/IDLE
SELECT-DR-SCAN SELECT-DR-SCAN SELECT-IR-SCAN
CAPTURE-DR
SHIFT-DR SHIFT-DR EXIT1-DR EXIT1-DR
UPDATE-DR
RUN-TEST/IDLE
EXIT2-DR PAUSE-DR
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