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Компоненты Описание
ISPLSI5256VA Просмотр технического описания (PDF) - Lattice Semiconductor
Номер в каталоге
Компоненты Описание
производитель
ISPLSI5256VA
In-System Programmable 3.3V SuperWIDE™ High Density PLD
Lattice Semiconductor
ISPLSI5256VA Datasheet PDF : 25 Pages
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Specifications
ispLSI 5256VA
Figure 6. Boundary Scan Register Circuit for I/O Pins
EXTEST
HIGHZ
SCANIN
(from previous
cell)
BSCAN
Registers
DQ
BSCAN
Latches
DQ
TOE
Normal
Function
0
OE
1
EXTEST
PROG_MODE
DQ
DQ
Normal
Function
0
1
I/O Pin
DQ
SCANOUT
(to next cell)
Shift DR
Clock DR
Update DR
Reset
Figure 7. Boundary Scan Register Circuit for Input-Only Pins
Input Pin
SCANIN
(from previous
cell)
Shift DR
Clock DR
DQ
SCANOUT
(to next cell)
8
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