OCX160 Datasheet, PDF (16/44 Pages) List of Unclassifed Manufacturers – OCX160 Crosspoint Switch

OCX160 Crosspoint Switch—Preliminary Data Sheet
1.4.6 JTAG State Machine
Test Logic
1 ^Reset
0
Run Test/ 1
0 ^Idle
Select DR 1
Scan
0
Capture 1
DR
0
Shift DR
0
1
Exit 1 DR
1
0
Pause DR
0
1
0 _{Exit 2 DR}
1
Update DR
10
1
Select IR
Scan
0
Capture 1
IR
0
Shift IR
0
1
Exit 1 IR
1
0
Pause IR
0
1
0 _{Exit 2 IR}
1
Update IR
10
Figure 6 OCX160 JTAG State Machine
1.4.7 JTAG Input Format
Bit Number
Bit Name
Table 7 JTAG Input Format
Instruction
Data
Address A
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
I3 I2 I1 I0 BB BA B9 B8 B7 A6 A5 A4 A3 A2 A1 A0
16
[Rev. 1.6] 2/20/01
I-Cube, Inc.