ISPLSI5128VE LATTICE [Lattice Semiconductor], ISPLSI5128VE Datasheet - Page 8

• Manufacturer Part Number: ISPLSI5128VE
• Description: In-System Programmable 3.3V SuperWIDE High Density PLD
• 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
Shift DR
SCANIN
cell)
1
0
1
0
1
0
Clock DR
(from previous
Registers
BSCAN
D
D
D
Clock DR
SCANIN
Shift DR
Input Pin
cell)
Q
Q
Q
Update DR
0
1
Latches
BSCAN
D
D
Q
Q
D
Reset
8
PROG_MODE
EXTEST
EXTEST
Specifications ispLSI 5128VE
TOE
Q
Function
Function
Normal
Normal
SCANOUT
(to next cell)
HIGHZ
OE
SCANOUT
(to next cell)
0
1
0
1
I/O Pin