RX610 Group
28. Boundary Scan
R01UH0032EJ0120 Rev.1.20
Page 949 of 1006
Feb 20, 2013
28.3
Operations
The boundary scan functionality is valid when the EMLE pin is driven low and the BSCANP pin is driven high.
28.3.1
TAP Controller
Figure 28.2 shows the state transition diagram of the TAP controller.
Test-logic-reset
Capture-DR
Shift-DR
Exit1-DR
Pause-DR
Exit2-DR
Update-DR
Select-DR
Run-test/idle
1
0
0
0
0
1
1
1
1
0
0
0
1
1
1
0
1
1
1
0
Capture-IR
Shift-IR
Exit1-IR
Pause-IR
Exit2-IR
Update-IR
Select-IR
0
0
1
0
0
0
1
0
1
1
1
0
Figure 28.2 State Transition of TAP Controller