S/UNI®-JET Data Sheet
Released
Figure 27 Bi-directional Cell (IO_CELL)
Scan Chain Out
INPUT
to internal
logic
EXTEST
G1
OUTPUT from
internal logic
1
1
OUTPUT
to pin
MUX
IDCODE
G1
SHIFT-DR
G2
INPUT
from pin
1 2
1 2
1 2
1 2
D
MUX
D
I.D. code bit
C
C
CLOCK-DR
UPDATE-DR
Scan Chain In
Figure 28 Layout of Output Enable and Bi-directional Cells
Scan Chain Out
OUTPUT ENABLE
OUT_CELL
from internal
logic (0 = drive)
INPUT to
internal logic
OUTPUT from
internal logic
IO_CELL
I/O
PAD
Scan Chain In
Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use
Document ID: PMC-1990267, Issue 3
294
PMC [ PMC-SIERRA, INC ]
