CEVA Introduces Lightweight Multifunction Processor for IoT Applications

CEVA, the world's leading signal processing IP licensing company focused on smart connected devices, has released a new, lightweight, multi-function processor IP core that simplifies the design of low data rate industrial and consumer IoT devices with cellular capabilities. The CEVA-X1 IoT processor uses a single core DSP+CPU architecture and is specifically designed to meet the latest LTE Cat-M1 (formerly eMTC) and Cat-NB1 (formerly NB-IoT), as well as future FeMTC and 5G cellular IoT Communication standards meet the major challenges of IoT system design in terms of size, power consumption and cost.

The cellular network-based IoT market is expected to explode in the next few years, and ABI Research expects the Cat-NB1 standard to account for more than one-third of all cellular IoT devices, exceeding traditional M2M or existing Cat-1 standards. . End markets and applications that will use these technologies will include smart homes, smart utilities, asset tracking, wearable products, health, security and environmental, industrial and agricultural monitoring and control.

The CEVA-X1 also serves as a versatile, multi-mode processing hub for a range of closely related IoT workloads, including Wi-Fi 802.11n, 802.11ac, Bluetooth/Low-Bluetooth, Zigbee/Thread, LoRa, SIGFOX, Narrowband voice, GNSS and sensor fusion. Most importantly, the CEVA-X1 can handle multiple processing workloads simultaneously, enabling developers to customize their systems for complete flexibility to meet the needs of any IoT use case.

Will Strauss, president of market research firm Forward Concept, commented: "3GPP recently released the Cat-M1 and Cat-NB1 standards to prepare for the connection of billions of IoT devices over cellular networks in the next few years. The CEVA-X1 IoT processor is An attractive solution to address the power, cost and performance challenges of this new wave of low data rate devices for developing multi-mode IoT products in this emerging market."

This latest CEVA-X1 core evolved from the new CEVA-X architecture framework. In addition to DSP processing, it also uses the Extended Instruction Set Architecture (ISA) to efficiently handle CPU software workloads such as protocol stacks and system control. In the benchmark EEMBC® CoreMark® test, which is commonly used to measure CPU processing performance in embedded systems, the CEVA-X1 score is 3.3 CoreMark/MHz, with the most commonly used IoT stack CPU – 3.4 CoreMark/ of the ARM® CortexTM-M4. The MHz chamber is resistant. In systems using the CEVA-X1, there is no need for additional CPUs, and systems using a single core have significant advantages in terms of cost, power consumption, and ease of programming.

CEVA-X1's advanced system control interface CEVA-Connect implements an automatic scheduling mechanism between the processor and the external hardware accelerator, including control signal transmission, data transmission and priority scheduling of task queues, for driving CEVA or customer hardware accelerators. . Customers can design and differentiate unique and efficient systems based on CEVA-Connect's mechanisms.

Michael Boukaya, vice president and general manager of CEVA's wireless business unit, said: "The CEVA-X1 is the first such processor to be the first of its kind and has been custom designed to meet the unique and diverse needs of the IoT ecosystem. We are in the cellular And deep knowledge in the wireless connectivity world allows us to develop the industry's lowest power processor products for cellular IoT and ensure outstanding performance for any other IoT related standard."

CEVA demonstrates the uniqueness and flexibility of the CEVA-X1 for low data rate, multi-purpose IoT devices in a separate smart watch use case. The complete Cat-NB1 modem includes a protocol stack and PHY running in parallel with the GPS. The required performance is below 150MHz, which already includes ample expenses for handling additional features such as sensor fusion. Using the CEVA-X1 and optional dedicated Cat-NB1 instructions, optimized software libraries, protocol stacks, and peripheral subsystems, the Cat-NB1 modem can be further reduced in power consumption by 30% in addition to RF.

Supply

CEVA now offers licenses for the CEVA-X1 IoT processor and optional dedicated Cat-NB1 components. For more information on the CEVA-X1, please visit the company website.

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