Maxim-integrated MAXQ622 Manual do Utilizador descarregar pdf (Página 188)

MAXQ612/MAXQ622 User’s Guide

Maxim Integrated 13-1

13.1 TAP Controller ..........................................................................13-2

13.2 TAP State Control........................................................................13-2

13.2.1 Test-Logic-Reset ...................................................................13-2

13.2.2 Run-Test-Idle ......................................................................13-3

13.2.3 IR-Scan Sequence ..................................................................13-3

13.2.4 DR-Scan Sequence .................................................................13-5

13.3 Communication Through TAP ..............................................................13-5

13.3.1 TAP Communication Examples—IR-Scan and DR-Scan.....................................13-6

SECTION 13: TEST ACCESS PORT (TAP)

This section contains the following information:

LIST OF FIGURES

Figure 13-1. TAP Controller State Diagram ........................................................13-3

Figure 13-2. TAP and TAP Controller.............................................................13-5

Figure 13-3. TAP Controller Debug Mode IR-Scan Example ..........................................13-6

Figure 13-4. TAP Controller Debug Mode DR-Scan Example..........................................13-7

LIST OF TABLES

Table 13-1. TAP Signals.......................................................................13-2

Table 13-2. Instruction Register Content vs. TAP Controller State ......................................13-4

Table 13-3. Instruction Register (IR[2:0]) Encodings ................................................13-4

1 2 ... 183 184 185 186 187 188 189 190 191 192 193 ... 254 255

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Maxim-integrated MAXQ622 Manual do Utilizador Página 188