Author Archives: steve bush

Risc-V day: Andes offers IP cores, accelerators, tools, and even a free core

Taiwanese IP provider Andes Technology is offering RISC-V cores, acceleration hardware and development tools. Amongst planned cores is a free one. “With ‘Fast start’ into Risc-V, we will not only introduce our free starter, commercial grade core but also show which other options available, ranging from an ultra-low power MCU over a low power medium-sized Core ...

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Plessey builds green and blue micro-LEDs on the same die for augmented reality displays

UK LED fab Plessey has achieved native – as opposed to phosphor-converter – blue emission and native green emission from the same wafer, a key step en route to effient monolithic micro-displays for virtual reality (VR) googles and augmented reality (AR) glasses – the firm argues that it is in the best position to achieve ...

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Wi-Fi signals are enough to identify people as they walk by

The way Wi-Fi signals between a transmitter and receiver react can identify people walking past on the other side of a wall, providing that has been videoed walking at some other time, according to researchers at the University of California Santa Barbara. “Our proposed approach makes it possible to determine if the person behind the ...

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Two-thumb phone typing approaches desktop keyboard speed

Phone users are catching up with the word entry speed of desktop keyboard users, is one of the findings of an on-line test that Aalto University, University of Cambridge and ETH Zürich organised, and over 37,000 people took part in. “We were amazed to see that users typing with two thumbs achieved 38 words per ...

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Sensor fusion lets phone identify objects by simply knocking against them

Objects can be identified by knocking a smartphone against them, according to Korean research lab KAIST. No camera is involved. Instead the technique processes data from the phone’s microphone, accelerometer and gyroscope – recorded simultaneously as the phone is tapped on the object. The system was trained on 23 everyday objects – including books, laptop ...

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Metallised film caps replace electrolytics in high-rel dc links

Electrocube 958A high current metallised polypropylene film dc link capacitors are intended to provide durability in extreme operating conditions. “The series is rated at 100,000 hours at 70°C,” according to New Jersey based component distributor New Yorker Electronics, which is stocking the parts. “In applications such as electric vehicle power conversion, aircraft power systems, battery chargers ...

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Risc-V day: Greenwaves’ pushes AI to the very edge of IoT

GAP 8 is an ultra-low-power Risc-V AI processor from Grenoble-based GreenWaves, aimed at inferencing (executing already-trained neural networks) inside battery-operated IoT sensors. “Battery-operated sensors have, until now, been restricted to simple data sources such as temperature and humidity,” according to the firm. “But there is increasing interest in processing richer data sources such as images, sounds, ...

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Risc-V day: Microchip adds Risc-V hard IP to PolarFire FPGAs

Microchip detailed an FPGA family with a quad core 64bit RISC-V processor alongside the programmable array. Called ‘PolarFire SoC’, the “architecture brings real-time deterministic asymmetric multiprocessing capability to Linux platforms in a multi-core coherent CPU cluster”, according to the firm, which worked with Risc-V specialist SiFive to create the devices. Real-time operation is included for ...

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Risc-V day: Syntacore for Risc-V MCU core IP

Syntacore has been developing processor core intellectual property based around the Risc-V instruction set for four years, and its SCRx family now includes eight industry-grade cores. These range from the compact SCR1 MCU core, introduced in 2017 and available free, to the high-performance Linux-capable multi-core 64bit SCR7. SCR1 executes the RV32I|E[MC] instruction set and can be ...

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Risc-V day: Minres for virtual prototyping

Munich-based Minres was promoting the use of virtual prototypes at the London ‘Getting started with Risc-V’ seminar, held on 26 September. It offers: Know-how in system modelling, virtual prototype/platform implementation, embedded software development, educational services, methodology services and design consultation. “Our key competency is to enable customers to materialise the full benefits of virtual platforms – ...

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