ID register
HM62G18512 Series
Bit No. 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Value × × × × 0 0 1 1 1 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1
Vendor
Revision No.
Depth
Width
Use in the future
Vendor ID No.
Fix
TAP Controller State Diagram
1
Test-Logic-
Reset
0
0
Run-Test/ 1
Idle
Select- 1
DR-Scan
0
1
Capture-DR
0
Shift-DR
0
1
Exit1-DR 1
0
Pause-DR 0
1
0
Exit2-DR
1
Update-DR
1
0
Select- 1
IR-Scan
0
1
Capture-IR
0
Shift-IR
0
1
Exit1-IR 1
0
Pause-IR
0
1
0
Exit2-IR
1
Update-IR
1
0
Note: The value adjacent to each state transition in this figure represents the signal present
at TMS at the time of a rising edge at TCK.
No matter what the original state of the controller, it will enter Test-Logic-Reset when
TMS is held high for at least five rising edges of TCK.
21