Maxq610 user’s guide – Maxim Integrated MAXQ610 User Manual

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11-7

MAXQ610 User’s Guide

Figure 11-4. 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