Renesas ClockMatrix Device Provides Timing and Software Solution for O-RAN S-Plane Requirements


Article by: Renesas Electronics Corp.

The 8A34001 System Synchronizer is used in the AMD Zynq UltraScale+ RFSoC DFE ZCU670 Evaluation Kit and in the reference design for the Next-Gen 5G Radio.

The 8A34001 system synchronizer from Renesas Electronics Corp. for IEEE 1588 is used in the AMD Zynq UltraScale+ RFSoC DFE ZCU670 Evaluation Kit and Reference Design for 5G Next-Gen Radio (5G NR).

The 8A34001 System Synchronizer for IEEE 1588 is part of Renesas’ ClockMatrix family of high-performance precision timing solutions designed to simplify clock designs for high-speed applications. The 8A34001 generates ultra-low jitter; Precision timing signals based on IEEE 1588 Precision Time Protocol (PTP) and Synchronous Ethernet (SyncE). It exceeds next-generation 5G radio requirements, including synchronization, and provides full ITU-T G.8273.2 T-BC/T-TSC Class C and D compliance. Renesas offers open-source SYNCE4L and PCM4L, which are based on open source PTP4L, and device drivers already in a Linux kernel for the 8A34001; while competing solutions rely on proprietary software that is difficult to integrate and customize for end customers on their software platforms.

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The AMD ZCU670 is an evaluation and development platform based on Zynq UltraScale+ RFSoC DFE, the latest AMD silicon for 5G NR targeting both FR1 and FR2 (mmWave) O-RAN applications.

The performance of the 8A34001 has been verified on the ZCU670 evaluation platform and exceeds 5G system requirements. Relevant compliance reports and test results are available upon request from Renesas. The solution will be made available as part of the AMD O-RAN Reference Design where it is used to implement S-plane functionality in an O-RU Reference Design.

“We are delighted that AMD has chosen our ClockMatrix family as the synchronization platform for the Zynq RFSoC DFE Kit, the industry’s first development platform for 5G applications,” said Zaher Baidas, vice president of synchronization products division at Renesas. “This is a testament to the performance of our devices as well as the ease of use and design support that enables customers to reduce development time and effort.”

“Our close collaboration with Renesas provides key functionality for our O-RU reference designs,” said Brendan Farley, vice president of wireless engineering at AMD. “We believe that working with Renesas as an ecosystem partner to provide verified and supported solutions will significantly reduce development efforts for our mutual wireless customers.”

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