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Andes Technology Corporation: Delivers High Performance/Low Power 32/64-bit Processor IP


Since enterprises have become highly reliant on digital technologies to automate their business functions, they also need to ensure a proficient SoC solution supplied by the semiconductor industry to be integrated into their organizations for better scalability, flexibility, and power saving. “We see ourselves as a tier-one supplier in embedded processor intellectual property industry and it is our responsibility to enable customers to design high-quality SoCs,” states Frankwell Lin, President, Andes Technology Corporation. To address it, Andes developed a spectrum of innovative products that include the patented AndeStar™ Instruction Set Architecture, the leading performance-efficient AndesCore™ Processors, the flexible pre-integrated and pre-verified AndeShape™ Platforms IP solution, the intuitive AndeSight™ Software Integrated Development Environment (IDE), and the comprehensive AndeSoft™ Software Stacks. “Software development easily consumes more than 70 percent man-months of a typical SoC project. To alleviate it, we design into the AndeSight IDE, a comprehensive list of functionalities that include an optimizing compiler, a debugger, a linker script editor, RTOS-awareness support, a profiler, a flash programmer, and a virtual SoC platform that enables rapid performance evaluation and early software development. With those, it helps customers to efficiently develop, debug, and optimize their software to achieve aggressive project schedule, for meeting their business objectives,” said Lin.
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Andes Technology proffers high performance/ low power 32/64- bit processors that increase the processing speed of embedded applications invariably
Migrating from one design to another design and designing a unique architecture are the major concerns of IC design houses in the current era. Bolstered by proficient engineers and significant experience, Andes empowers its customers to customize their products and proffers mechanisms, namely Andes Customer Extension (ACE) and ACE COPILOT tools, that enable customers to design unique instructions that can hook into Andes instruction set architecture quickly, hence resulting customer’s unique processor and SoC, bringing benefits of lower power, better security, and higher computing efficiency. Besides, the company has an ecosystem where it brings together more than one hundred third party companies to help customers use hassle-free IP, tools, software stacks in developing application orient system chips.
Having technical support engineers in China, Taiwan, and the United States, Andes Technology offers round the clock support and optimizes their time to market with quality design. Being a committed company to its customers, Andes Technology ensures that its customers are also well trained to deploy and work with Andes configurable embedded processors developing environment. To help customers obtain in-depth knowledge and consulting services on its product lines, the company proffers training courses for engineers.
Andes Technology’s initiative towards this allows its customers to design their own SoC with the highest quality and faster time to market. In the recent past, the company has also collaborated with eMemory, Intrinsic ID, Inside Secure, Secure IC, Secure RF, and Winbond to ensure appropriate security features can be easier embedded into customers’ IoT products. Those companies are part of another Andes-initiated ecosystem Knect.me™, a website and community specially created for IoT, where it collaborates with third-party companies to help common customers develop high-quality connected products. Knect. me™ offers comprehensive IoT solutions, including SoC IP Platforms, Arduino-compatible development boards, development tools and IoT software stack, to help speed up SoC developments for IoT applications. It also hosts the IoT League for customers to showcase their IoT products and for interested device makers to find the right SoC for their next projects.
The company’s new products such as N15 and D15, which further empower its customers with more computing power and less power consumption, and NX25— which extends application’s data addressability to over 4 GB and is the most power-efficient 64-bit processor in the industry, have already made their way into the market. With a visionary aspect from the beginning, Andes Technology has designed its products and further eyes to innovate, adapt new-fangled technologies to provide the best ROI to customers.


Andes Technology Corporation News

Andes Technology Unveils Andes D23 and N225 Cores Pioneering the Next Generation of Compact, Performant, and Secure RISC-V Processor Technology
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The D23 and N225 cores have been meticulously engineered with compactness, performance-efficiency, low-power consumption, flexibility, and security as top priorities. These cores empower IoT and embedded chip and device manufacturers to meet the burgeoning demands of a rapidly evolving market while minimizing power usage and ensuring robust security.
Andes announced the popular N22, a 2-stage pipeline AndesCore implementing RV32I/EMAC ISA back in February 2019, targeting deeply embedded processing and having a performance of 3.95 Coremark/MHz and 1.8 DMIPS/MHz. The D23 and N225 are revamped designs with a new microarchitecture and the latest RISC-V extensions (details below) to offer better performance, smaller code size, and more security support. They provide a good migration path for customers looking to upgrade their N22 designs or kick-off a new design today.
Common Key Features of AndesCore D23 and N225:
Latest RISC-V Extensions Support: The N225 implements the RV32 IMACBZce non-privileged extensions as well as Machine/User modes and Enhanced Physical Memory Protection (ePMP). The D23 additionally supports the FDKP extensions (Single/Double-Precision Floating-Point, Scalar Crypto and Packed SIMD/DSP draft), and CMO (Cache Management Operations) extension. The D23 is also incorporated with Supervisor mode and its associated PMP (sPMP) for higher security.
Compact Size: Both cores feature a highly compact design with a 3-stage pipeline, primarily supporting single instruction issue with some dual-issue capability. This makes them exceptionally well-suited for space- and memory-constrained IoT and embedded applications, including wearables, sensors, and smart home devices.
High Performance: Both cores achieve industry-leading performance in their class, boasting outstanding benchmark scores such as 4.55 (D23) and 4.4 (N225) Coremark/MHz, and 2.08 (D23) and 1.92 (N225) DMIPS/MHz, respectively. They are capable of operating at high frequencies across various technology nodes such as near 800 MHz at 28nm, providing the necessary computing power for edge IoT devices with ever-increasing performance and feature demands.
Power Management: Both cores support advanced power management technologies such as PowerBrake and Wait-For-Interrupt (WFI) and Wait-For-Event (WFE), ensuring prolonged battery life for many types of untethered IoT devices.
Small Code Size: The N22 already offers industry-leading code size with Andes CoDense™ technology. With the addition of the new RISC-V Zce code size reduction extension, the D23 and N225 further reduce 4.4% code size for the Embench-IoT benchmark, compared to the N22. This provides additional memory cost-saving for Andes customers.
Flexibility: Both cores offer extensive configurability, including optimized multipliers for performance or area, optional static or dynamic branch prediction, various combinations of privilege modes, instruction and data Local Memories with sizes from 1 KB to 512 MB, and 2-wire or 4-wire JTAG debug interface. Designers can tailor these features to address their specific application requirements.
Ease of SoC Integration: To simplify integration into System-on-Chip (SoC) designs, both cores support either Core-Local Interrupt Controller (CLIC) for the single-CPU SoC or Platform-level Interrupt Controller (PLIC) for multiple-CPU SoC, rich options for AMBA interfaces, private machine timers or platform machine timers, and instruction trace interfaces.
In addition to the above-mentioned shared features and latest RISC-V extensions, the D23 core boasts additional capabilities, including built-in instruction and data caches, and ECC soft error protection for all cache and local memories. It can also seamlessly integrate with the powerful ACE™ (Andes Custom Extension) to support custom instructions for Domain-Specific Acceleration (DSA) and has a roadmap to include a functional safety derivative. These expanded capabilities open up opportunities for the D23 to serve a wider range of segments in automotive and industrial control applications.
Dr. Charlie Su, President and CTO of Andes Technology, expressed his enthusiasm for the release of these cores, stating, “The D23 and N225 mark a significant milestone in our commitment to providing innovative solutions for the IoT and embedded segments. With their compact design, power efficiency, and robust security features, these cores are poised to set new industry standards. We believe they will empower designers and developers to create cutting-edge products that can thrive in the fast-paced world of IoT.”
The D23/N225 have been licensed out and several companies are actively evaluating them. Their overall features will be developed and delivered in two phases. For more information about these cores, please visit the Andes Technology website.
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