EPM570 Altera, EPM570 Datasheet - Page 36

• Manufacturer Part Number: EPM570
• Description: MAX II Device Family
• Manufacturer: Altera

I/O Structure
Figure 2–20. Row I/O Block Connection to the Interconnect
Note to
(1)
2–30
MAX II Device Handbook, Volume 1
Each of the seven IOEs in the row I/O block can have one data_out or fast_out output, one OE output, and one
data_in input.
Figure
LAB Local
Interconnect
2–20:
R4 Interconnects
to Adjacent LAB
Interconnect
Direct Link
LAB
interconnect to distribute signals throughout the device. The row I/O
blocks drive row, column, or DirectLink interconnects. The column I/O
blocks drive column interconnects.
Figure 2–20
Figure 2–21
Core Version a.b.c variable
shows how a row I/O block connects to the logic array.
shows how a column I/O block connects to the logic array.
from Adjacent LAB
Interconnect
C4 Interconnects
Direct Link
data_in[6..0]
LAB Column
clock [3..0]
Note (1)
I/O Block Local
Interconnect
data_out
fast_out
7
7
7
7
[6..0]
[6..0]
[6..0]
OE
Contains up to
Row I/O Block
I/O Block
Seven IOEs
Row
Altera Corporation
December 2004