The Zynq UltraScale+ RFSoC PS block has three major processing units:
• Cortex-A53 applicaon processing unit (APU) Arm v8 architecture-based 64-bit quad-core
mulprocessing CPU.
• Cortex-R5F real-me processing unit (RPU) Arm v7 architecture-based 32-bit dual RPU with
dedicated ghtly-coupled memory (TCM).
• Mali-400 graphics processing unit (GPU) with pixel and geometry processor and 64 KB L2
cache.
The Zynq UltraScale+ RFSoC PS has four high-speed serial I/O (HSSIO) interfaces supporng the
following protocols:
• Integrated block for PCI Express
®
interface-PCIe base specicaon version 2.1 compliant.
• SATA 3.1 specicaon compliant interface.
• USB 3.0 interface-compliant to USB 3.0 specicaon implemenng a 5 Gb/s line rate.
• Serial GMII interface-supports a 1 Gb/s SGMII interface.
The PS and PL can be coupled with mulple interfaces and other signals to eecvely integrate
user-created hardware accelerators and other funcons in the PL logic that are accessible to the
processors. They can also access memory resources in the processing system. The PS I/O
peripherals, including the stac/ash memory interfaces share a mulplexed I/O (MIO) of up to
78 MIO pins. Zynq UltraScale+ RFSoCs can also use the I/O in the PL domain for many of the PS
I/O peripherals. This is done through an extended mulplexed I/O interface (EMIO) and boots at
power-up or reset.
The ZCU670 is an evaluaon board featuring the ZU67DR Zynq UltraScale+ RFSoC DFE device.
This board enables the evaluaon of applicaons requiring mul-band (sub-7 GHz, mmWave),
mul-std (5G, LTE, etc.), and mul-mode (TDD, FDD) radios, including Milcom and Satcom
applicaons. The ZCU670 board is equipped with all the common board-level features needed
for design development, such as DDR4 memory, networking interfaces, an FMC+ expansion port,
as well as access to the RFMC 2.0 interface.
The ZU67DR includes not only the direct RF sampling converters but also a fully dedicated
digital front-end (DFE) subsystem with all the required signal processing blocks. With this
dedicated IP, the ZCU670 enables ~50% lower power (at 500 MHz) versus equivalent so IP
implementaon. The DFE blocks implement the key wireless DFE logic in dedicated blocks and
has mulple instances placed within the programmable logic fabric. Each dedicated IP block can
be bypassed and appended for maximum exibility and customizaon.
The following gure shows the Zynq UltraScale+ RFSoC DFE block diagram.
Chapter 3: Board Component Descriptions
UG1532 (v1.0) March 30, 2022 www.xilinx.com
ZCU670 Board User Guide 22