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PRODUCTS MCUS & MPUS


LOW-POWER PROCESS TECHNOLOGY ELIMINATES THE NEED FOR BATTERIES TO POWER IOT DEVICES thin-buried-oxide) process


technology, the new embedded controller


t


in both active and standby c


current consumption, a


combination that is claimed to have been not previously possible to achieve in conventional


microcontrollers (MCUs). R


enesas Electronics Corporation has unveiled an innovative


energy-harvesting embedded controller that can eliminate the need to use or replace batteries in IoT devices. Developed based on the company’s so called “breakthrough” SOTB (silicon-on-


These extreme low current levels of the SOTB-based embedded controller replace conventional batteries with harvesting ambient energy sources such as light, vibration, and flow. The use of extreme low-power and energy harvesting gives rise to a new


achieves extreme reduction i


PAVING THE WAY FOR A NEW ERA OF SMART DEVICES


market of maintenance-free connected IoT sensing devices with endpoint intelligence for applications in industrial, business, residential, agricultural, healthcare, and public infrastructure, as well as health and fitness apparel, shoes, wearables, smart watches, and drones. The company’s first commercial


product using SOTB technology, the R7F0E embedded controller, is a 32-bit, Arm Cortex-based embedded controller capable of operating up to 64MHz for rapid local processing of sensor data and execution of complex analysis and control functions. renesas.com


Adesto Technologies has shipped its first serial NOR flash devices supporting the new xSPI standard (JESD251 and JESD251-1), Serial Flash Reset Signalling Protocol (JESD252) and the latest version of its SFDP standard (JESD216C). Adesto’s EcoXiP eXecute-in-Place (XiP) non- volatile memory (NVM) fully supports these specifications, which were recently released by microelectronics standards body JEDEC. These standards make it easier to reap the benefits of EcoXiP and deliver smarter, more efficient and user-friendly devices. Today, many emerging Internet of Things


SOC FOR HEARABLE, WEARABLE & VOICE-ACTIVATED EDGE DEVICES


Fujitsu Electronics Europe (FEEU) is expanding its product portfolio of Bluetooth Low Energy (BLE) enabled ultra-low power products with newly released Apollo3 Blue device from Ambiq Micro. This wireless SoC with integrated Bluetooth low energy (BLE5) comes with updated peripherals, additional memory, an advanced DMA engine & TurboSPOT. The Apollo3 Blue’s TurboSPOT brings energy efficiency to mobile, battery powered devices by increasing the


computational capabilities of the ARM Cortex M4F core to 96MHz in turbo mode while lowering the active power consumption to <6µA/MHz in normal mode. An integrated DMA engine combined with the extra computing bandwidth gives the flexibility to add more complex sensor processing algorithms to energy- sensitive products without sacrificing quality or battery life. This solution also provides a dedicated second core for the ultra-low power BLE5 connectivity platform


providing good RF throughput and leaving plenty of resources available for user applications. The radio performance and interoperability has already been proven to be reliable and robust in real-world consumer products which are currently shipping in massive volume. “Ambiq Micro’s Sub-threshold Power Optimised Technology (SPOT) platform continues to bring unprecedented levels of energy efficiency to algorithm providers, ODMs and OEMs,” said Aaron Grassian, Ambiq’s Vice president of marketing. “The Apollo family is already being used to bring neural networks to battery-powered hearables and remote controls with always-on voice assistant integration and commands. This further solidifies Ambiq Micro’s capabilities to meet the market demand of adding AI inference engines like voice and predictive sensory processing to ultra-low power edge devices.” www.feeu.com/apollo3blue


(IoT) and high-end microcontroller (MCU) designs need more program memory and data processing storage than can be implemented economically on-chip using embedded flash or SRAM. The new standards make it simpler for the industry to adopt NVM devices that use the Octal Serial Peripheral Interface (SPI), such as Adesto’s EcoXiP, which delivers the higher performance and storage space needed. EcoXiP eliminates the need for expensive on-chip embedded flash, and it hits the necessary requirements for power, system cost and performance, with significantly lower power consumption compared to other Octal devices and dramatically higher performance versus Quad SPI devices. The new xSPI (expanded SPI) standard


establishes hardware guidelines to make it easier to add high-throughput Octal and Quad devices to a systems. The Serial Flash Reset Signalling Protocol defines a way to reset flash devices without a need for a dedicated reset pin. The SFDP (Serial Flash Discoverable Parameter) standard provides a consistent method of describing the functional and feature capabilities of serial flash devices in a common set of internal parameter tables. With it, OEMs can speed firmware development and time-to-market. The latest revision of the SFDP specification adds support for Octal SPI. www.adestotech.com


ULTRA-LOW-POWER DATA-LOGGING SOLUTION FOR PORTABLE IOT DEVICES A


data buffers in legacy memories. The family features wide voltage operation from 1.71V to 3.6V and is available in RoHS-compliant industry-standard packages that are pin compatible with EEPROMs and other nonvolatile memories. Excelon LP F-RAMs provide 1000-trillion (1015) read/write cycle endurance with 10 years of data


retention at 85°C or 151 years at 65°C. Cypress’ Excelon LP F-RAMs are currently sampling with production scheduled in the second quarter of 2019. www.cypress.com


16 NOVEMBER 2018 | ELECTRONICS / ELECTRONICS


standby modes that greatly improve a battery-powered product’s user experience by extending system operating time. The Excelon family’s inherent instant writes also eliminate power failure “data-at-risk” due to volatile d


and other Internet of Things (IoT) applications that demand nonvolatile memories to continuously log an increasing amount of user and sensor data while using as little power as possible. Cypress’ new Excelon LP Ferroelectric Random Access Memory (F-RAM) is one of the industry’s most energy-efficient nonvolatile RAM and delivers instant-write capabilities with virtually unlimited endurance, enabling these applications to perform mission-critical data logging requirements while maximising battery life. The Excelon LP series is available in a low-pin-count, small-footprint package that is perfectly suited for space-constrained, portable applications. This series offers 4Mb and 8Mb industrial and commercial-grade densities with 50MHz and 20MHz Serial Peripheral Interface (SPI) performance. The series reduces power consumption with 100nA hibernate and 1uA s


A nonvolatile data-logging solution with ultra-low power consumption has been developed by Cypress Semiconductor Corp. This solution is ideal for the latest-generation of portable medical and wearable devices a


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