ISPLSI8840-60LB432 LATTICE [Lattice Semiconductor], ISPLSI8840-60LB432 Datasheet - Page 9

• Manufacturer Part Number: ISPLSI8840-60LB432
• Manufacturer: LATTICE [Lattice Semiconductor]

Figure 6. Boundary Scan Register Circuit for I/O Pins
Figure 7. Boundary Scan Register Circuit for Input-Only Pins
(from previous
*Internal power-up reset signal. Not connected to external reset pin.
Shift DR
SCANIN
cell)
Clock DR
(from previous
Clock DR
Registers
SCANIN
Shift DR
Input Pin
BSCAN
D
D
D
cell
Q
Q
Q
Update DR
BSCAN
Latches
D
D
PROG_MODE
Q
Q
Reset*
9
PROG_MODE
EXTEST
D
EXTEST
TOE
Specifications ispLSI 8840
Function
Function
Q
Normal
Normal
HIGHZ
OE
SCANOUT
(to next cell)
0
1
0
1
SCANOUT
(to next cell)
I/O Pin