EP3SE50F780I3N Altera, EP3SE50F780I3N Datasheet - Page 445

• Manufacturer Part Number: EP3SE50F780I3N
• Description: Stratix III
• Manufacturer: Altera

Figure 13–4. Stratix III Device's User I/O BSC with IEEE Std. 1149.1 BST Circuitry
Altera Corporation
November 2007
To or From
Circuitry
I/O Cell
and/or
Device
Logic
Array
OUTJ
OEJ
INJ
SDI
Figure 13–4
0
1
0
1
0
1
SHIFT
D
D
D
OUTPUT
CLOCK
Registers
IEEE 1149.1 (JTAG) Boundary-Scan Testing in Stratix III Devices
Capture
INPUT
shows the Stratix III device's user I/O boundary-scan cell.
OE
Q
Q
Q
SDO
D
D
UPDATE
Registers
D
OUTPUT
INPUT
Update
OE
Q
Q
Q
HIGHZ
V
CC
0
1
MODE
Stratix III Device Handbook, Volume 1
0
1
0
1
0
1
Signals
Global
PIN_OUT
PIN_OE
PIN_IN
Output
Buffer
Pin
13–7