ISPGDX160V-3Q208I View Datasheet(PDF) - Lattice Semiconductor
Part Name
Description
Manufacturer
ISPGDX160V-3Q208I Datasheet PDF : 36 Pages
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Specifications ispGDX160V/VA
Boundary Scan (Continued)
The ispJTAG programming is accomplished by execut- Downlowad (ispDCD™), ispCODE ‘C’ routines or any
ing Lattice private instructions under the Boundary Scan third-party programmers. Contact Lattice Technical Sup-
State Machine.
port to obtain more detailed programming information.
Details of the programming sequence are transparent to
the user and are handled by Lattice ISP Daisy Chain
S Figure 11. Boundary Scan Register Circuit for Input-Only Pins
E Input Pin
SCANIN
IC (from previous
D cell
Shift DR
V E Clock DR
DQ
SCANOUT
(to next cell)
E U Figure 12. Boundary Scan State Machine
D IN 1 Test-Logic-Reset
0
1
ELECTCONT 0 Run-Test/Idle
1
Select-DR-Scan
0
1
Capture-DR
0
Shift-DR
0
1
Exit1-DR
1
0
Pause-DR 0
1
0
Exit2-DR
S IS 1
Update-DR
D1
0
1
Select-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
24
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