PEB2447 SIEMENS [Siemens Semiconductor Group], PEB2447 Datasheet - Page 20

• Manufacturer Part Number: PEB2447
• Description: Memory Time Switch Extended Large MTSXL
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Semiconductor Group
The TAP controller state machine passes through the different states according to
figures 4 to 7.
Table 6
States of TAP Controller (explanation for figures 4 to 7)
Controller State
Exit2-DR
Exit1-DR
Shift-DR
Pause-DR
Select-IR-Scan
Update-DR
Capture-DR
Select-DR-Scan
Exit2-IR
Exit1-IR
Shift-IR
Pause-IR
Run-Test / Idle
Update-IR
Capture-IR
Test-Logic-Reset
Note: The state coding is only described for explanation purposes, it is externally not
visible.
20
State Code
0
1
2
3
4
7
8
9
A
B
F
5
6
C
D
E
Functional Description
PEB 2447
03.97