Altera Stratix V Avalon-MM Interface for PCIe Solutions - Manual (Page 27)

Parameter Value Default Value Description
Enable
ECRC
forwarding
on the
Avalon-ST
interface
On/Off Off When On, enables ECRC forwarding to the Application
Layer. On the Avalon-ST RX path, the incoming TLP
contains the ECRC dword (1) and the
TD
bit is set if an
ECRC exists. On the transmit the TLP from the Applica‐
tion Layer must contain the ECRC dword and have the
TD
bit set.
Not applicable for Avalon-MM or Avalon-MM DMA
interfaces.
Track RX
completion
buffer
overflow on
the Avalon-
ST interface
On/Off Off When On, the core includes the
rxfx_cplbuf_ovf
output status signal to track the RX posted completion
buffer overflow status.
Not applicable for Avalon-MM or Avalon-MM DMA
interfaces.
Note:
1. Throughout this user guide, the terms word, dword and qword have the same meaning that they have
in the PCI Express Base Specification. A word is 16 bits, a dword is 32 bits, and a qword is 64 bits.
Related Information
PCI Express Base Specification Revision 2.1 or 3.0
Link Capabilities
Table 3-6: Link Capabilities
Parameter Value Description
Link port
number
0x01 Sets the read-only value of the port number field in the
Link
Capabilities Register
.
Slot clock
configuration
On/Off When On, indicates that the Endpoint or Root Port uses the
same physical reference clock that the system provides on the
connector. When Off, the IP core uses an independent clock
regardless of the presence of a reference clock on the
connector.
UG-01097_avmm
2014.12.15
Link Capabilities 3-7
Parameter Settings Altera Corporation
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