Micros

SoM "harnesses disruptive potential of RISC-V"

29th October 2020
Mick Elliott

Sundance has launched PolarBerry, the first production and deployment-ready SoM with a hardened 64 bit, multicore real-time, Linux-capable RISC-V MPU subsystem.

It delivers a combination of defence-grade security, low power consumption and thermal efficiency for embedded systems development.

With Microchip Technology’s PolarFire SoC field programmable gate array (FPGA) at its heart, providing a deterministic, coherent 64-bit RISC-V CPU cluster and a deterministic L2 memory subsystem enabling the implementation of secure Linux and real-time applications, PolarBerry is suited to the development of embedded computing and real-time applications based on RISC-V processors as an alternative to ARM.

Typical applications will be found in the defence/mil-aero, AI/ML, communications, automotive, industrial automation and imaging markets as well as the Internet of Things.

“The launch of PolarBerry, with our PolarFire SoC FPGA as its compute engine, opens up an exciting array of new design possibilities by enabling embedded computing engineers to easily harness the disruptive potential of RISC-V,” said Krishnakumar Ramamoorthi, Mi-V Ecosystem Manager at Microchip Technology’s FPGA business unit. “It facilitates new design choices and creates additional options by underpinning the ability to better innovate secure, power-efficient designs through open collaboration.”

PolarBerry’s compute engine delivers up to 50% lower power than alternative FPGAs, 250k logic elements (LEs) and features four high-speed, low-power transceivers from 250Mbps to 12.7Gbps. The PolarFire SoC FPGA’s power consumption is 12W maximum and power provided directly from the PolarBerry SoM to enable embedded solutions.

The SoM offers all attributes for strong SoC/FPGA design security including anti-cloning protection, device-level anti-tamper features, bitstream protection, key management, FPGA hardware access control, secure boot and physical memory protection (PMP) as well as supply chain assurance.

It also features a 40 pin Raspberry Pi (RPI) interface to allow standalone operation and rapid application development by providing up to 26 GPIOs, 20 of which can be assigned to SPI, UART, CAN or other interfaces. All RPI signals are 3.3V logic.

Associated onboard PolarBerry SoM peripherals include 4GB of 32-bit wide DDR4 memory, 128MB SPI Serial NOR FLASH for storing the boot image and programmable clocks to provide flexible clocking to the FPGA and high-speed transceivers.

There is also an RJ45 Ethernet socket with 100/1000Base-T interface, two CAN 2.0 physical layers, a JTAG interface for programming and 4GB of eMMC non-volatile storage. Samtec connectors provide high-speed communication to a carrier board for powerful peripheral customisation.

The power consumption of the module is 16W with power in can be applied via PRI interface or carrier board.

The PolarBerry SoM measures just 55mm by 85mm and has an operational temperature range of 0°C and +70°C. It can also be installed on Sundance’s PCIe SoM carrier to provide access to an FMC and additional interfaces.

“With the ability to more easily access the potential of the RISC-V ecosystem, the launch of PolarBerry readily brings an open standard, defence-grade security approach to embedded systems development as a pertinent alternative to ARM,” says Flemming Christensen, Managing Director of Sundance (UK) and conclude “RICS-V has a global market presence that is growing rapidly. It is royalty-free so it can be used at minimal cost and extensible and you can add features to the instruction set as needed as well as tune it, for example, for lower power or higher throughput.”

PolarBerry is part Microchip Technology’s “Get Launched!” campaign and has been released now for early adaptors at a price of US$995 for delivery in January 2021.

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