Altera Transceiver PHY IP Core Manual de usuario Pagina 318

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Status Condition Protocol Mapping of Status Flags to RX Data Value
Empty
PHY IP Core for PCI
Express (PIPE)
Basic double width
RXD[62:62] = rx_
rmfifostatus[1:0], or
RXD[46:45] = rx_rmfifos-
tatus[1:0], or
RXD[30:29] = rx_
rmfifostatus[1:0], or
RXD[14:13] = rx_rmfifos-
tatus[1:0]
(2'b10 AND (PAD
OR EDB) = empty)
XAUI, GigE, Serial RapidIO
double width
rx_std_rm_fifo_empty 1'b1 = empty
All other protocols Depending on the FPGA fabric to
PCS interface width either:
RXD[46:45] = rx_rmfifos-
tatus[1:0], or
RXD[14:13] = rx_rmfifos-
tatus[1:0]
(2'b10 AND (PAD
OR EDB) = empty)
(11)
Insertion
Basic double width
Serial RapidIO double width
RXD[62:62] = rx_
rmfifostatus[1:0], or
RXD[46:45] = rx_rmfifos-
tatus[1:0], or
RXD[30:29] = rx_
rmfifostatus[1:0], or
RXD[14:13] = rx_rmfifos-
tatus[1:0]
2'b10
All other protocols Depending on the FPGA fabric to
PCS interface width either:
RXD[46:45] = rx_rmfifos-
tatus[1:0], or
RXD[14:13] = rx_rmfifos-
tatus[1:0]
2'b10
(11)
PAD and EBD are control characters. PAD character is typically used fo fill in the remaining lanes in a
multi-lane link when one of the link goes to logical idle state. EDB indicates End Bad Packet.
12-20
Standard PCS Parameters for the Native PHY
UG-01080
2015.01.19
Altera Corporation
Stratix V Transceiver Native PHY IP Core
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