171
I/O configuration capabilities and constraints
Group
Single-ended I/O
Differential
I/O#
Input
Output
I/O#
Input
Output
Group #1
MIO1
2 x TTL in
2 x TTL out
MIO1
4 x RS-422 in
4 x RS-422 out
MIO2
MIO3
2 x TTL in
2 x TTL out
MIO3
MIO4
MIO5
2 x TTL in
2 x TTL out
MIO5
MIO6
MIO7
2 x TTL in
2 x TTL out
MIO7
MIO8
Group #2
MIO9
2 x TTL in
2 x TTL out
MIO9
4 x RS-422 in
4 x RS-422 out
MIO10
MIO11
2 x TTL in
2 x TTL out
MIO11
MIO12
MIO13
2 x TTL in
2 x TTL out
MIO13
MIO14
MIO15
2 x TTL in
2 x TTL out
MIO15
MIO16
Group #3
MIO17
2 x TTL in
2 x TTL out
MIO17
4 x RS-422 in
4 x RS-422 out
MIO18
MIO19
2 x TTL in
2 x TTL out
MIO19
MIO20
The 20 I/O ports are configurable by group. There are 3 groups:
□
The group #1 contains
8 single-ended I/O ports
named MIO1 to MIO8
OR
4 differential
I/O ports
MIO1, MIO3, MIO5, MIO7.
□
The group #2 contains
8 single-ended I/O ports
named MIO9 to MIO16
OR
4 differential
I/O ports
MIO9, MIO11, MIO13, MIO15.
□
The group #3 contains
4 single-ended I/O ports
named MIO17 to MIO20
OR
2
differential I/O ports
MIO17 and MIO19.
Within a group, it is allowed to set
all
the I/O ports:
□
for
differential input
operation
OR
...
□
for
differential output
operation
OR
...
□
for
single-ended
operation.
When the group is set for
single-ended
operation, it is allowed to set
each pair
of single-ended
I/O:
□
for input operation
OR
...
□
for output operation.
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