Intel Arria 10 User Manual page 27

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1. Arria 10 Transceiver PHY Overview
UG-01143 | 2018.06.15
Figure 17. GT Transceiver Channel in Full Duplex Mode Operating Between 17.4 Gbps
and 25.8 Gbps
Notes:
(1) The Enhanced PCS must be configured in Basic low latency mode to support data rate range from 17.4 Gbps to 25.8 Gbps.
(2) The FPGA Fabric - PCS and PCS-PMA interface widths are configurable.
(3) The Standard PCS and PCIe Gen3 PCS blocks are available when the GT channel is configured as a GX transceiver channel.
Table 7. PCS Types and Data Rates Supported by GT Channel Configurations
GT Channel Configuration
GT
GX
Note: 1. The GT channels can also operate in PCS Direct configuration for data rates from
1.0 Gbps to 25.8 Gbps. The PCS Direct datapath that bypasses all PCS blocks is
the primary configuration used to support GT data rates from 17.4 Gbps to 25.8
Gbps. To operate GX and GT transceiver channels in PCS Direct designated data
rates, refer to the IntelArria 10 Device Datasheet for more details on power
supply, speed grade, and transceiver configurations requirement.
2. The minimum operational data rate is 1.0 Gbps for both the transmitter and
receiver. For transmitter data rates less than 1.0 Gbps, oversampling must be
applied at the transmitter. For receiver data rates less than 1.0 Gbps,
oversampling must be applied at the receiver.
3. To operate GX and GT transceiver channels with the PCS at designated data rates,
refer to the IntelArria 10 Device Datasheet for more details on power supply,
speed grade, and transceiver configurations requirement.
(7)
The Enhanced PCS must be configured in Basic low latency mode to support data rate range
from 17.4 Gbps to 25.8 Gbps.
(8)
Applies when operating in reduced power modes. For standard power modes, the Enhanced
PCS minimum data rate is 1600 Mbps.
Transmitter PMA
(2)
Serializer
Receiver PMA
(2)
CDR Deserializer
PCS Type
Standard PCS
Enhanced PCS
PCIe Gen3 PCS
Standard PCS
Enhanced PCS
PCIe Gen3 PCS
Transmitter PCS
(3)
Standard PCS
PCIe Gen3 PCS (3)
(1)
KR FEC Enhanced PCS
PCS Direct
Receiver PCS
(3)
Standard PCS
(3)
PCIe Gen3 PCS
(1)
KR FEC Enhanced PCS
PCS Direct
Data Rates Supported
Not available for GT configuration
17.4 Gbps to 25.8 Gbps
Not available for GT configuration
1.0 Gbps to 12 Gbps
1.0 Gbps
8 Gbps
® ®
Intel Arria
FPGA Fabric
(2)
(2)
(7)
(8)
to 17.4 Gbps
10 Transceiver PHY User Guide
27