IDT 89HPES64H16G2 User Manual page 38

IDT PES64H16G2 Device Overview
Notes
PES64H16G2 User Manual
Signal Type
P45MERGEN I Port 4 and 5 Merge. P45MERGEN is an active low signal. It is pulled low
internally.
When this pin is low, port 4 is merged with port 5 to form a single x8 port.
The Serdes lanes associated with port 5 become lanes 4 through 7 of port
4. Refer to section Port Merging on page 5-7 for details.
When this pin is high, port 4 and port 5 are not merged, and each operates
as a single x4 port.
P67MERGEN I Port 6 and 7 Merge. P67MERGEN is an active low signal. It is pulled low
internally.
When this pin is low, port 6 is merged with port 7 to form a single x8 port.
The Serdes lanes associated with port 7 become lanes 4 through 7 of port
6. Refer to section Port Merging on page 5-7 for details.
When this pin is high, port 6 and port 7 are not merged, and each operates
as a single x4 port.
P89MERGEN I Port 8 and 9 Merge. P89MERGEN is an active low signal. It is pulled low
internally.
When this pin is low, port 8 is merged with port 9 to form a single x8 port.
The Serdes lanes associated with port 9 become lanes 4 through 7 of port
8. Refer to section Port Merging on page 5-7 for details.
When this pin is high, port 8 and port 9 are not merged, and each operates
as a single x4 port.
P1011MERGEN I Port 10 and 11 Merge. P1011MERGEN is an active low signal. It is pulled
low internally.
When this pin is low, port 10 is merged with port 11 to form a single x8 port.
The Serdes lanes associated with port 11 become lanes 4 through 7 of port
10. Refer to section Port Merging on page 5-7 for details.
When this pin is high, port 10 and port 11 are not merged, and each oper-
ates as a single x4 port.
P1213MERGEN I Port 12 and 13 Merge. P1213MERGEN is an active low signal. It is pulled
low internally.
When this pin is low, port 12 is merged with port13 to form a single x8 port.
The Serdes lanes associated with port 13 become lanes 4 through 7 of port
12. Refer to section Port Merging on page 5-7 for details.
When this pin is high, port 12 and port 13 are not merged, and each oper-
ates as a single x4 port.
P1415MERGEN I Port 14 and 15 Merge. P1415MERGEN is an active low signal. It is pulled
low internally.
When this pin is low, port 14 is merged with port 15 to form a single x8 port.
The Serdes lanes associated with port 15 become lanes 4 through 7 of port
14. Refer to section Port Merging on page 5-7 for details.
When this pin is high, port 14 and port 15 are not merged, and each oper-
ates as a single x4 port.
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Name/Description
Table 1.8 System Pins (Part 2 of 3)
April 5, 2013