The PCS also contains hard IP to support a variety of standard and proprietary
protocols across a wide range of data rates and encoding schemes. The Standard PCS
mode provides support for 8B/10B encoded applications up to 12.5 Gbps. The
Enhanced PCS mode supports 64B/66B and 64B/67B encoded applications up to 17.4
Gbps. The enhanced PCS mode also includes an integrated 10GBASE-KR/40GBASE-
KR4 Forward Error Correction (FEC) circuit. For highly customized implementations, a
PCS Direct mode provides an interface up to 64 bits wide to allow for custom encoding
and support for data rates up to 28.3 Gbps.
For more information about the PCS-Core interface or the double rate transfer mode,
refer to the Intel Stratix 10 L- and H-Tile Transceiver PHY User Guide, and the Intel
Stratix 10 E-Tile Transceiver PHY User Guide.
Table 8. Transceiver PCS Features
PCS Protocol
Support
Data Rate (Gbps) Transmitter Data Path Receiver Data Path
Standard PCS 1 to 12.5 Phase compensation FIFO, byte
serializer, 8B/10B encoder, bit-slipper,
channel bonding
Rate match FIFO, word-aligner, 8B/10B
decoder, byte deserializer, byte
ordering
PCI Express
Gen1/Gen2 x1,
x2, x4, x8, x16
2.5 and 5.0 Same as Standard PCS plus PIPE 2.0
interface to core
Same as Standard PCS plus PIPE 2.0
interface to core
PCI Express Gen3
x1, x2, x4, x8,
x16
8.0 Phase compensation FIFO, byte
serializer, encoder, scrambler, bit-
slipper, gear box, channel bonding, and
PIPE 3.0 interface to core, auto speed
negotiation
Rate match FIFO (0-600 ppm mode),
word-aligner, decoder, descrambler,
phase compensation FIFO, block sync,
byte deserializer, byte ordering, PIPE
3.0 interface to core, auto speed
negotiation
CPRI 0.6144 to 9.8 Same as Standard PCS plus
deterministic latency serialization
Same as Standard PCS plus
deterministic latency deserialization
Enhanced PCS 2.5 to 17.4 FIFO, channel bonding, bit-slipper, and
gear box
FIFO, block sync, bit-slipper, and gear
box
10GBASE-R 10.3125 FIFO, 64B/66B encoder, scrambler,
FEC, and gear box
FIFO, 64B/66B decoder, descrambler,
block sync, FEC, and gear box
Interlaken 4.9 to 17.4 FIFO, channel bonding, frame
generator, CRC-32 generator,
scrambler, disparity generator, bit-
slipper, and gear box
FIFO, CRC-32 checker, frame sync,
descrambler, disparity checker, block
sync, and gear box
SFI-S/SFI-5.2 11.3 FIFO, channel bonding, bit-slipper, and
gear box
FIFO, bit-slipper, and gear box
IEEE 1588 1.25 to 10.3125 FIFO (fixed latency), 64B/66B encoder,
scrambler, and gear box
FIFO (fixed latency), 64B/66B decoder,
descrambler, block sync, and gear box
SDI up to 12.5 FIFO and gear box FIFO, bit-slipper, and gear box
GigE 1.25 Same as Standard PCS plus GigE state
machine
Same as Standard PCS plus GigE state
machine
PCS Direct up to 28.3 Custom Custom
Related Information
Intel Stratix 10 L- and H-Tile Transceiver PHY User Guide
1. Intel® Stratix® 10 GX/SX Device Overview
S10-OVERVIEW | 2020.09.28
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