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TMPR4955AF データシート(PDF) 141 Page - Toshiba Semiconductor

部品番号 TMPR4955AF
部品情報  64-Bit TX System RISC TX49 Family
PDF  168 Pages
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メーカー  TOSHIBA [Toshiba Semiconductor]
ホームページ  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TMPR4955AF データシート(HTML) 141 Page - Toshiba Semiconductor

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Chapter 7 JTAG Interface
7-7
7.3.8
TAP Controller
The state transition diagram of the TAP controller is shown in Figure 7.3.8. Each arrow
between states is labeled with a 1 or 0, indicating the logic value of JTMS that must be set
up before the rising edge of JTCK to cause the transition.
Test-Logic-Reset
1
0
0
1
0
1
Run-Test/Idle
Select-DR-Scan
1
1
Capture-DR
0
Shift-DR
1
Exit 1-DR
0
Pause-DR
1
Exit 2-DR
1
Update-DR
0
1
0
0
1
Select-IR-Scan
Capture-IR
0
Shift-IR
1
Exit 1-IR
0
Pause-IR
1
Exit 2-IR
1
Update-IR
0
1
1
00
1
0
0
0
Figure 7.3.8 TAP Controller State Diagram
The following paragraphs describe each of the controller state. The left vertical column in
Figure 7.3.8 is the data column, and the right vertical column is the instruction column.
The data column and instruction column reference data register (DR) and instruction
register (IR), respectively.



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