
Features
A high-level block diagram of the T1 card card is shown in the following figure.
Figure 2: T1 card High-Level Block Diagram
X25153-030821
ZU21DR
L1 Channel Coding
·
Hardened LDPC / TURBO
Codec
·
Polar Codec
·
HARQ Buffer Management
·
Channel Coding Wrapper
Logic
ZU19EG
Network Interface
Fronthaul/Midhaul
4GB DDR4
(PL)
2GB DDR4
(PS)
4GB DDR4
(PL)
2GB DDR4
(PS)
Timing Circuit
TCXO/OCXO
Board Management
Controller
SFP28 Optics
SFP28 Optics
25G
25G
25G
25G
PPS IN
PPS OUT
Gen3 x16 with Bifurcation
Gen3 x8
Gen3 x8
100G
The main features and components of the T1 card are as follows:
• Xilinx ZU19EG MPSoC device targeting 5G fronthaul termination
• Xilinx ZU21DR RFSoC device targeting L1 channel coding
• Dual NOR flash of 2x 256 MB in QSPI mode for Zynq Ult MPSoC
• Dual NOR flash of 2x 256 MB in QSPI mode for Zynq Ult RFSoC
• 4 GB of DDR4 programmable logic (PL) memory to each Zynq Ult MPSoC and Zynq
Ult RFSoC device
• 2 GB of DDR4 processor system (PS) memory to each Zynq Ult MPSoC and Zynq
Ult RFSoC device
• 100G (MAC-to-MAC) communication link between Zynq Ult MPSoC and Zynq
Ult RFSoC devices
• Two SFP28 cages supporting up to 25G signaling and pluggable optics
• IEEE 1588 Network Synchronizer timing circuit with PPS in/out connectors
• Satellite controller for IPMI compliant monitoring and telemetry
• Bifurcated x8x8 PCIe Gen 3 x16 link to the host from each FPGA
• FHHL form factor with a 75W power envelope
Chapter 1: Introduction
UG1495 (v1.0) December 17, 2021
T1 Telco Accelerator Card User Guide
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