PXD20RM Datasheet, PDF (889/1628 Pages) Freescale Semiconductor, Inc – PXD20 Microcontroller

Test logic
reset
1
0
Run-test/idle
0
1
1
Select-DR-scan
0
1
Capture-DR
0
1
Select-IR-scan
0
1
Capture-IR
0
Shift-DR
0
1
1
Exit1-DR
0
Shift-IR
0
1
1
Exit1-IR
0
Pause-DR
0
1
0
Exit2-DR
1
Pause-IR
0
1
0
Exit2-IR
1
Update-DR
1
0
Update-IR
1
0
NOTE: The value shown adjacent to each state transition in this figure represents the value of TMS at the time
of a rising edge of TCK.
Figure 24-5. IEEE 1149.1-2001 TAP Controller Finite State Machine
Freescale Semiconductor
PXD20 Microcontroller Reference Manual, Rev. 1
Preliminary—Subject to Change Without Notice
24-7