ispgdx160a Lattice Semiconductor Corp., ispgdx160a Datasheet - Page 13

• Manufacturer Part Number: ispgdx160a
• Description: In-system Programmable Generic Digital Crosspoint
• Manufacturer: Lattice Semiconductor Corp.

Figure 7. Boundary Scan I/O Register Cell
Figure 8. Boundary Scan State Machine
SCANIN
(from
previous
cell)
0
1
Shift DR
Run-Test/Idle
Test-Logic-Reset
TMS or
TDI
TCK
TDO
tsu = 0.1µs (min.)
0
M
U
X
M
U
X
M
U
X
Clock DR
1
1
0
t su
D
D
D
1
Select-DR-Scan
Capture-DR
Update-DR
Exit2-DR
Exit1-DR
Pause-DR
Shift-DR
Q
Q
Q
th = 0.1µs (min.)
0
0
0
1
1
1
t h
Update DR
0
13
1
0
0
SCANOUT (to next cell)
Specifications ispGDX Family
D
D
1
t co
Q
Q
Function
Function
Normal
Normal
0
tco = 0.1µs (min.)
1
OE
OE
Select-IR-Scan
1
Capture-IR
Pause-IR
Update-IR
Exit1-IR
Shift-IR
Exit2-IR
M
U
X
M
U
X
EXTEST
0
0
1
0
1
1
0
TOE
1
0
0
1
I/O Pin