AMD XILINX T2 Telco Manuale utente
T2 Telco Accelerator Card
User Guide
UG1496 (v1.0) June 15, 2022
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Table of Contents
Chapter 1: Introduction.............................................................................................. 3
Hardware Overview.....................................................................................................................4
Software Overview...................................................................................................................... 5
Zynq UltraScale+ RFSoC Specification.......................................................................................5
Chapter 2: Features....................................................................................................... 7
Chapter 3: Pin Mapping...............................................................................................9
PCIe Interface.............................................................................................................................. 9
DDR4 PL Interface..................................................................................................................... 11
DDR4 PS Interface..................................................................................................................... 15
Special Functions.......................................................................................................................18
Chapter 4: Maintenance Port.................................................................................21
Chapter 5: Power...........................................................................................................22
Chapter 6: Xilinx Design Constraints (XDC) File.......................................... 23
Appendix A: Regulatory Compliance Statements...................................... 24
FCC Class A Products.................................................................................................................24
Safety.......................................................................................................................................... 24
EMC Compliance........................................................................................................................25
FCC Class A User Information..................................................................................................25
VCCI Class A Statement............................................................................................................ 26
Appendix B: Additional Resources and Legal Notices............................. 27
Xilinx Resources.........................................................................................................................27
Documentation Navigator and Design Hubs.........................................................................27
References..................................................................................................................................28
Revision History.........................................................................................................................28
Please Read: Important Legal Notices................................................................................... 28
UG1496 (v1.0) June 15, 2022 www.xilinx.com
T2 Telco Accelerator Card User Guide 2
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Chapter 1
Introduction
The Xilinx® T2 Telco accelerator card, shown in the following gure, is a single slot, half height,
half length (HHHL) plug-in card. It is compliant with PCI Express® technology, supporng PCIe
Gen3 x16 and Gen4 x8 bifurcated rates on the host interface.
Figure 1: T2 Telco Accelerator Card
The card features a 16 nm Zynq® UltraScale+™ RFSoC ZU48DR device supporng the following
targeted applicaons:
• 5G NR physical layer funconal ooad, including but not limited to:
○Low-density parity check (LDPC) encoding and decoding
○Rate matching and dematching
○Code block (CB) and CB group (CBG) processing with HARQ buer management logic in
lookaside mode
• 4G LTE physical layer funconal ooad, including but not limited to:
○Turbo encoding and decoding
○Rate matching and dematching
Chapter 1: Introduction
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○CB processing with HARQ buer management in lookaside mode
Note: The Zynq UltraScale+ RFSoC ZU48DR device also supports concurrent 4G LTE/5G NR L1 ooad,
assuming that the necessary hardware resources are available.
The T2 card value proposion is in ooading CPU intensive encode and decode computaons
involving LDPC operaons, thereby reducing costly CPU resources. The Zynq UltraScale+ RFSoC
has hard IP blocks for SD-FEC (eight SD-FEC cores per device) which can be congured to run
LDPC encode and decode operaons.
Hardware Overview
The following high-level block diagram of the T2 card provides an overview of the hardware
features.
Figure 2: T2 Card High-Level Block Diagram
Zynq UltraScale+ RFSoC
SC MSP432
Power
Supply
Unit
NOR
Flash
PL DDR
Controller
(Bank 67,
68, 69)
PS MIO
(Bank
500)
PL GTY PCIe 4
(Bank 128, 129, 130, 131)
HHHL Single Slot
PCIe Gen3 x16 /
PCIe Gen4 x8 Bifurcated
XCZU48DR- 2FSVG1517E
PS DDR
Controller
(Bank 504)
Debug Connector
1GB
DDR4
x16
1GB
DDR4
x16
1GB
DDR4
x16
ECC x8
1GB
DDR4
x16
X8
1GB
DDR4
x16
1GB
DDR4
x16
ECC x8
OSC
50 MHz
OSC
300 MHz
12V 3.3V
8x SD-FEC
(LDPC/Turbo)
X25345-051221
The T2 card hardware features are as follows:
• Zynq UltraScale+ RFSoC device targeng L1 channel coding
• NOR ash (2x 256 MB in dual QSPI mode) for ZU48DR Zynq UltraScale+ RFSoC image
storage
Chapter 1: Introduction
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• 4 GB of DDR4 programmable logic (PL) memory
• 2 GB of DDR4 processor system (PS) memory
• MSP432-based satellite controller (SC) for card monitoring and telemetry
• PCIe Gen 3 x16 or Gen 4 x8 bifurcated host interface
• Low prole (HHHL) single slot (111.15 mm x 167.65 mm) form factor with a 60W power
envelope
• DMB II maintenance and debug port for card maintenance and developer support funcons
Note: The proprietary DMB II interface requires a Xilinx ADK dongle.
Software Overview
The T2 card has a factory image installed that together with the provided host soware
installaon supports the following funcons:
• PCIe Gen3 x16 interface
• User ash image update
• SC rmware update
• DDR4 PL BERT performance and diagnoscs test
• DDR4 PS BERT performance and diagnoscs test
• PCIe performance and diagnoscs test
• In-band telemetry
Zynq UltraScale+ RFSoC Specification
The Zynq UltraScale+ RFSoC device on the T2 card is a XCZU48DR-2FSVG1517E. A comparison
of the features of this device relave to other devices in the same family is shown in the
following gure. Refer to the Zynq® UltraScale+™ RFSoC Product Selecon Guide for further
details.
Chapter 1: Introduction
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Chapter 2
Features
The main features of the T2 card are as follows:
•Card over-stress protecon: The T2 card has a card protecon circuit that iniates a fatal
shutdown if either temperature or power consumpon thresholds are crossed.
Before this threshold is reached, however, the SC signals to the Zynq UltraScale+ RFSoC to
reduce the 5G workload power immediately. This indicaon is accomplished using the
RF_CPU_RST and RF_RST_REQ handshake signals.
The precise threshold levels have been determined through tesng and factory sengs to
ensure card safety. They cannot be changed.
•Out-of-band telemetry: Telemetry data for the card is provided to the server board
management controller (BMC) over the PCIe SM bus from the T2 SC. The PLDM over MCTP
protocol is used for this communicaon between server BMC and T2 SC, and implements a
thermal closed loop control mechanism for card cooling.
All required telemetry data, including board temperatures and power consumpon, is
available.
•In-band telemetry: Telemetry data for the card is also available in-band over PCIe. The
following telemetry data is available:
• Zynq UltraScale+ RFSoC
• Board inlet temperature
• Board outlet temperature
• DDR4 vicinity temperature
• PCIe 12V current
• In-band SC rmware update
Note: The PCIe 3.3V current is characterized (2.6A) but not measured.
•In-band FPGA ash update: Updang the user ash image in-band over PCIe is supported
using the flash_app ulity provided in the host soware installaon. Details are found
within the T2 Telco Accelerator Card Installaon Guide (UG1527).
Some design components must be designed into the Zynq UltraScale+ RFSoC PL and PS to
support this funcon.
Chapter 2: Features
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•Developer support: Developer support features for the Zynq UltraScale+ RFSoC on the T2
card are provided through the maintenance port. See Chapter 4: Maintenance Port for details.
•LED: A green power-on LED is present on the I/O bracket to indicate the card is powered and
in operaon.
Chapter 2: Features
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T2 Telco Accelerator Card User Guide 8
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Chapter 3
Pin Mapping
This chapter presents the pin mapping for the ZU48DR Zynq® UltraScale+™ RFSoC on the T2
card.
PCIe Interface
The PCIe® interface on the T2 card has 16 lanes and can operate in Gen 3 x16 mode or Gen 4
x8x8 bifurcated mode.
Using the PCIe Interface
• The PCIe interface is supported with a dedicated IP block that must be instanated in the
design.
• PCIe lane reversal is in use.
• The server slot used with the T2 card must be a x16 capable and congured correctly for card
detecon and use. The Gen 4 x8x8 mode of operaon requires x8 bifurcaon to be enabled,
whereas Gen 3 x16 requires x16 mode.
PCIe Interface Pins
The following table summarizes the ZU48DR PCIe interface pin map.
Table 1: PCIe Interface Pin Map
Pin Number Signal Name Description I/O
W34 PCIE_RF_LOWER_REFCLK_N PCIe Lower Diff Clock (N) I
W33 PCIE_RF_LOWER_REFCLK_P PCIe Lower Diff Clock (P) I
P32 PCIE_RF_UPPER_REFCLK_N PCIe Upper Diff Clock (N) I
P31 PCIE_RF_UPPER_REFCLK_P PCIe Upper Diff Clock (P) I
AJ13 PCIE_RF_PERST_LS PCIe Reset I
AA39 PCIE_RX0_N PCIe RX Data 0 (N) I
AA38 PCIE_RX0_P PCIe RX Data 0 (P) I
W39 PCIE_RX1_N PCIe RX Data 1 (N) I
W38 PCIE_RX1_P PCIe RX Data 1 (P) I
Chapter 3: Pin Mapping
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Table 1: PCIe Interface Pin Map (cont'd)
Pin Number Signal Name Description I/O
U39 PCIE_RX2_N PCIe RX Data 2 (N) I
U38 PCIE_RX2_P PCIe RX Data 2 (P) I
R39 PCIE_RX3_N PCIe RX Data 3 (N) I
R38 PCIE_RX3_P PCIe RX Data 3 (P) I
N39 PCIE_RX4_N PCIe RX Data 4 (N) I
N38 PCIE_RX4_P PCIe RX Data 4 (P) I
M37 PCIE_RX5_N PCIe RX Data 5 (N) I
M36 PCIE_RX5_P PCIe RX Data 5 (P) I
L39 PCIE_RX6_N PCIe RX Data 6 (N) I
L38 PCIE_RX6_P PCIe RX Data 6 (P) I
K37 PCIE_RX7_N PCIe RX Data 7 (N) I
K36 PCIE_RX7_P PCIe RX Data 7 (P) I
J39 PCIE_RX8_N PCIe RX Data 8 (N) I
J38 PCIE_RX8_P PCIe RX Data 8 (P) I
H37 PCIE_RX9_N PCIe RX Data 9 (N) I
H36 PCIE_RX9_P PCIe RX Data 9 (P) I
G39 PCIE_RX10_N PCIe RX Data 10 (N) I
G38 PCIE_RX10_P PCIe RX Data 10 (P) I
F37 PCIE_RX11_N PCIe RX Data 11 (N) I
F36 PCIE_RX11_P PCIe RX Data 11 (P) I
E39 PCIE_RX12_N PCIe RX Data 12 (N) I
E38 PCIE_RX12_P PCIe RX Data 12 (P) I
D37 PCIE_RX13_N PCIe RX Data 13 (N) I
D36 PCIE_RX13_P PCIe RX Data 13 (P) I
C39 PCIE_RX14_N PCIe RX Data 14 (N) I
C38 PCIE_RX14_P PCIe RX Data 14 (P) I
B37 PCIE_RX15_N PCIe RX Data 15 (N) I
B36 PCIE_RX15_P PCIe RX Data 15 (P) I
Y36 PCIE_TX0_N PCIe TX Data 0 (N) O
Y35 PCIE_TX0_P PCIe TX Data 0 (P) O
V36 PCIE_TX1_N PCIe TX Data 1 (N) O
V35 PCIE_TX1_P PCIe TX Data 1 (P) O
T36 PCIE_TX2_N PCIe TX Data 2 (N) O
T35 PCIE_TX2_P PCIe TX Data 2 (P) O
R34 PCIE_TX3_N PCIe TX Data 3 (N) O
R33 PCIE_TX3_P PCIe TX Data 3 (P) O
P36 PCIE_TX4_N PCIe TX Data 4 (N) O
P35 PCIE_TX4_P PCIe TX Data 4 (P) O
N34 PCIE_TX5_N PCIe TX Data 5 (N) O
Chapter 3: Pin Mapping
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