Cirrus-logic CS61583 Bedienungsanleitung PDF herunterladen (Seite 21)

TCK

TMS

Controller state

TDI

IR shift-register

Parallel output of IR

Parallel Input to TDR

TDR shift-register

Parallel output of TDR

TDO enable

TDO

Act

IDCODE New Instruction

Old data

Instruction register

Inactive ActiveInactive Inactive

= Don't care or undefined

Parallel Input to IR

Test-Logic-Reset

Run-Test/Idle

Select-DR-Scan

Select-IR-Scan

Capture-IR

Pouse-IR

Exit2-IR

Shift-IR

Exit1-IR

Update-IR

Run-Test/Idle

Exit1-IR

Shift-IR

Figure 13. JTAG Instruction Register Update

CS61583

DS172PP5 21

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Cirrus-logic CS61583 Bedienungsanleitung Seite 21