Renesas aprimora portfólio de processamento embarcado RISC-V

Renesas Enhances RISC-V Embedded Processing Portfolio

Renesas Electronics Corporation, a provider of advanced semiconductor solutions, has launched the industry's first RISC-V MCU, specifically optimized for advanced motor control systems. The new solution allows customers to benefit from a ready-to-use, turnkey solution for motor control applications at no development cost.

Customers benefit from reduced time to market and reduced costs by delivering a pre-programmed ASSP that eliminates RISC-V related tooling and software investment. Target applications for the new solution include home/building automation, healthcare devices, home appliances, drones and more.

Renesas has taken a leading role in providing RISC-V embedded processing solutions, recently introducing 64-bit general-purpose RZ/Five MPUs based on a 64-bit RISC-V CPU and developing RISC-V automotive solutions.

“As a leading integrated processing provider, Renesas delivers the solutions our customers demand across any number of platforms,” said Roger Wendelken, senior vice president of the Infrastructure and IoT Business Unit at Renesas. “This RISC-V-based ASSP offers an ideal combination of low cost, rapid time to market and excellent performance. It complements our current portfolio very well, reaching new customers and emerging markets around the world.”

Collaborating global partners

Renesas' new R9A02G020 motor control ASSP is based on RISC-V IP processing from Andes Technology Corp. Franklin Lin, CEO of Andes, said: “We are excited to have Andes' entry-level RISC-V IP processor providing computing power in Renesas' R9A02G020 MCU ASSP. We believe that Renesas bringing to market a powerful, low-power ASSP MCU will accelerate the incorporation of RISC-V into a wide range of applications. It will also encourage software developers to produce more creative and efficient applications for RISC-V, thereby accelerating the adoption of this next-generation paradigm.”

Renesas will deliver the new RISC-V ASSP pre-programmed with specialized application code developed by leading Independent Design Houses (IDHs) BFG Engineering and DigiPower (HK) Technology.

Both BFG and DigiPower have specialized experience in the area of ​​motor control and proven customer support capabilities. BFG is famous for sensorless algorithms that allow customers to reduce engine starting times. DigiPower has been creating scalable, cost-effective motor drive solutions since 2008 and has designed specific solutions for controlling refrigerator compressors, fans, pumps and more. BFG and DigiPower will also work with customers to finalize designs and assist with the transition to production.

SEGGER Microcontroller also partnered in this effort. The complete SEGGER ecosystem, including Embedded Studio and J-Link, was a key element used to create and test these motor control solutions.

Characteristics

  • Innovative and cost-effective 32 MHz 32-bit CPU core based on license-free RISC-V ISA
  • Rich analog IP functionality: ADCs with three dedicated PGA and S/H, two DACs, two comparators, temperature sensor
  • Advanced engine control timers, two watchdog timers
  • Small 24- and 32-pin QFN packages
  • High temperature support up to Ta +125°C for harsh operating environments
  • Sensorless vector control for a BLDC motor, 1/3 shunt, PFC and Hall sensor inputs
  • Flash: 48KB
  • SRAM: 16 KB (4 KB with ECC)
  • CPU and bus memory protection units
  • Pre-programmed and tested engine control software
  • Complete reference design: hardware, software, kit, tools, hardware datasheet, software datasheet, GUI manual, application notes

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