Rainbow Electronics DS21458 - Manual (Page 219)

DS21455/DS21458 Quad T1/E1/J1 Transceivers
219 of 270
Figure 35-2. TAP Controller State Diagram
1
0
0
1
1 1
1
1
1
1 1
1 1
1 1
0 0
0 0
0
1
0 0
0 0
1
1
0 0
0 0
Select
DR-Scan
Capture DR
Shift DR
Exit DR
Pause DR
Exit2 DR
Update DR
Select
IR-Scan
Capture IR
Shift IR
Exit IR
Pause IR
Exit2 IR
Update IR
Test Logic
Reset
Run Test/
Idle
0