Microsemi and SiFive Launch HiFive Unleashed Expansion Board, Enabling Linux Software and Firmware Developers to Build RISC-V PCs for the First Time

Microsemi's HiFive Unleashed Expansion Board allows developers to implement custom peripherals in the award-winning PolarFire® field programmable gate array (FPGA). Plugged into HiFive Unleashed developers can implement a full-fledged RISC-V personal computer (PC) by enabling standard PCI® Express (PCIe) devices, USB and secure digital cards to connect to SiFive's Freedom U540 RISC-V processor. Microsemi will showcase the platform at the RISC-V Workshop being held May 7-10 in Barcelona, Spain.

"Working together with SiFive to accelerate the growth of the RISC-V instruction set architecture (ISA) and our Mi-V ecosystem, the HiFive Unleashed Expansion Board and HiFive Unleashed development board give the broader Linux market an extremely robust platform for RISC-V development," said Ted Speers, head of Product Planning for Microsemi's Programmable business unit. "Our cost-optimized, lowest power, mid-range PolarFire FPGAs are an ideal solution for embedded development engineers to implement custom peripherals."

The HiFive Unleashed Expansion Board and HiFive Unleashed allow designers to develop complete Linux applications on a modern RISC-V CPU running at 1 GHz+. This makes the devices ideally suited for a variety of embedded applications within the communications, industrial, defense, medical and avionics markets, including control plane solutions, imaging/video processing, machine learning, control processing, time-sensitive networking, encryption and root of trust, secure wireless communications and aircraft networking.

"Microsemi has long been a strategic collaborator for SiFive, and its HiFive Unleashed Expansion Board will enable the RISC-V Community to continue to advance the cause of open source hardware," said Yunsup Lee, co-founder and chief technology officer, SiFive. "With its HiFive Unleashed Expansion Board, Microsemi is enabling the next wave of RISC-V innovation. We look forward to our continued collaboration, and can't wait to see what products come to market based on our technologies."

The HiFive Unleashed Expansion Board offers numerous additional features, including a PCIe root complex, serial advanced technology attachment (SATA) port, M.2 SSD port, two USB ports, HDMI, double data rate fourth-generation (DDR4) memory expansion, an embedded multi-media controller (eMMC) managed NAND Flash and secure digital card slot.

"The RISC-V Foundation applauds the work Microsemi and SiFive have done in collaboration to deliver a comprehensive Linux software development platform for RISC-V," said Rick O'Connor, executive director of the non-profit RISC-V Foundation. "Numerous commercial and open source developers are adopting RISC-V for Linux-based designs. Particularly in the embedded market, where a growing majority of today's designs run Linux, this Microsemi/SiFive RISC-V solution offers a compelling development environment."

RISC-V is a free and open ISA enabling a new era of processor innovation through open standard collaboration. As the ISA is frozen, software which is written will always run on the RISC-V core, and since the RISC-V IP core is not encrypted, it can be used to ensure trust and certifications not possible with closed architectures.  To learn more about RISC-V visit: www.risc-v.org.

About Microsemi's Mi-V Ecosystem
Microsemi's Mi-V ecosystem, part of Microsemi's Accelerate Ecosystem—a program designed to reduce time to market for end customers and time to revenue for ecosystem participants—brings together a number of industry leaders involved in the development of RISC-V to leverage their capabilities and streamline RISC-V designs for customers. Enabling third parties to access a growing platform for further RISC-V adoption and innovation, the Mi-V ecosystem provides firmware and hardware engineers a comprehensive ecosystem from a tier-one vendor.

Product Availability
The HiFive Unleashed Expansion Board and HiFive Unleashed development board are available for purchase from Crowd Supply. For more information, visit https://www.crowdsupply.com/microsemi/hifive-unleashed-expansion-board.

About PolarFire FPGAs
Microsemi's new cost-optimized PolarFire FPGAs deliver the industry's lowest power at mid-range densities with exceptional security and reliability. The product family features 12.7 Gbps transceivers and offer up to 50 percent lower power than competing FPGAs. Densities span from 100K to 500K logic elements (LEs) and are ideal for a wide range of applications within wireline access networks and cellular infrastructure, defense and commercial aviation markets, as well as industry 4.0 which includes the industrial automation and internet of things (IoT) markets.

PolarFire FPGAs' transceivers can support multiple serial protocols, making the products ideal for communications applications with 10Gbps Ethernet, CPRI, JESD204B, Interlaken and PCIe. In addition, the ability to implement serial gigabit Ethernet (SGMII) on GPIO enables numerous 1Gbps Ethernet links to be supported. PolarFire FPGAs also contain the most hardened security intellectual property (IP) to protect customer designs, data and supply chain. The non-volatile PolarFire product family consumes 10 times less static power than competitive devices and features an even lower standby power referred to as Flash*Freeze. For more information, visit www.microsemi.com/polarfire.

About Microsemi
Microsemi Corporation (Nasdaq: MSCC) offers a comprehensive portfolio of semiconductor and system solutions for aerospace & defense, communications, data center and industrial markets. Products include high-performance and radiation-hardened analog mixed-signal integrated circuits, FPGAs, SoCs and ASICs; power management products; timing and synchronization devices and precise time solutions, setting the world's standard for time; voice processing devices; RF solutions; discrete components; enterprise storage and communication solutions, security technologies and scalable anti-tamper products; Ethernet solutions; Power-over-Ethernet ICs and midspans; as well as custom design capabilities and services. Microsemi is headquartered in Aliso Viejo, California and has approximately 4,800 employees globally. Learn more at www.microsemi.com.

Microsemi and the Microsemi logo are registered trademarks or service marks of Microsemi Corporation and/or its affiliates. Third-party trademarks and service marks mentioned herein are the property of their respective owners.

"Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995: Any statements set forth in this news release that are not entirely historical and factual in nature, including statements related to the launch of the HiFive Unleashed Expansion Board, its latest collaboration with SiFive, the first fabless provider of customized, open-source-enabled semiconductors, and its potential effects on future business, are forward-looking statements. These forward-looking statements are based on our current expectations and are inherently subject to risks and uncertainties that could cause actual results to differ materially from those expressed in the forward-looking statements. The potential risks and uncertainties include, but are not limited to, such factors as rapidly changing technology and product obsolescence, potential cost increases, variations in customer order preferences, weakness or competitive pricing environment of the marketplace, uncertain demand for and acceptance of the company's products, adverse circumstances in any of our end markets, results of in-process or planned development or marketing and promotional campaigns, difficulties foreseeing future demand, potential non-realization of expected orders or non-realization of backlog, product returns, product liability, and other potential unexpected business and economic conditions or adverse changes in current or expected industry conditions, difficulties and costs of protecting patents and other proprietary rights, inventory obsolescence and difficulties regarding customer qualification of products. In addition to these factors and any other factors mentioned elsewhere in this news release, the reader should refer as well to the factors, uncertainties or risks identified in the company's most recent Form 10-K and all subsequent Form 10-Q reports filed by Microsemi with the SEC. Additional risk factors may be identified from time to time in Microsemi's future filings. The forward-looking statements included in this release speak only as of the date hereof, and Microsemi does not undertake any obligation to update these forward-looking statements to reflect subsequent events or circumstances.

SOURCE Microsemi Corporation

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