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Renesas Electronics Corporation recently announced the introduction of the RA8E1 and RA8E2 microcontroller (MCU) product group, further expanding its industry-leading and popular MCU family. The RA8 series MCUS introduced in 2023 are the first MCUS to feature Arm Cortex-M85 processors, achieving market-leading 6.39 CoreMark/MHz performance. The new RA8E1 and RA8E2 MCUS maintain the same performance while reducing costs by streamlining the feature set, making them ideal for high-volume applications such as industrial and home automation, office equipment, healthcare and consumer products.

The RA8E1 and RA8E2 MCUS use Arm Helium™ technology, Arm's M-Profile vector extension, to achieve up to four times better performance in digital signal processor (DSP) and machine learning (ML) applications compared to Arm Cortex-M7 processor-based MCUS. Enabling applications in the rapidly growing field of AIoT - where high performance is critical to the execution of AI models.

The RA8 family of products integrates low power features and multiple low power modes to further improve energy efficiency while delivering industry-leading performance. Low power mode, separate power domain, lower voltage range, fast wake up time, and lower combination of typical operating and standby currents result in lower overall system power consumption. Helps customers reduce overall system power consumption and meet regulatory requirements. The new Arm Cortex-M85 core can also perform a variety of DSP/ML tasks with lower power consumption.

The RA8 series MCUS are supported by the Renesas Flexible Configuration Package (FSP). FSP speeds up application development by bringing all the infrastructure software you need, including multiple RTOS, BSPS, peripheral drivers, middleware, connectivity, networking, and TrustZone support, as well as reference software for building complex AI, motor control, and cloud solutions. It allows customers to integrate their own existing code and selected RTOS with the FSP, creating full flexibility for application development. With FSP, it is easy to migrate existing designs to the new RA8 family.

Daryl Khoo, Vice President of Embedded Processing 1st Business Division at Renesas said: "Our customers have raved about the superior performance of the RA8 MCU, and now they expect higher performance and more optimized features to meet their cost-sensitive industrial, visual AI and mid-range graphics application needs." The RA8E1 and RA8E2 provide the perfect balance of performance and functionality for these markets, and with FSP, easy migration within the RA8 family or from RA6 MCUS."

Key features of the RA8E1 MCU:

Core: 360MHz Arm Cortex-M85, containing Helium and TrustZone technologies

Storage: Integrated 1MB flash memory, 544KB SRAM (including 32KB TCM with ECC, 512KB user SRAM with parity protection), 1KB standby SRAM, and 32KB I/D cache

Peripheral: Ethernet, XSPI (8-wire SPI), SPI, I2C, USBFS, CAN-FD, SSI, 12-bit ADC, 12-bit DAC, HSCOMP, Temperature sensor, 8-bit CEU, GPT, LP-GPT, WDT, RTC

Package: 100/144 pin LQFP

Key features of the RA8E2 MCU:

Core: 480MHz Arm Cortex-M85, containing Helium and TrustZone technologies

Storage: Integrated 1MB flash memory, 672KB SRAM (including 32KB TCM with ECC, 512KB user SRAM with parity protection + additional 128KB user SRAM), 1KB standby SRAM, 32KB I/D cache

Peripherals: 16-bit external memory interface, XSPI (8-wire SPI), SPI, I2C, USBFS, CAN FD, SSI, 12-bit ADC, 12-bit DAC, HSCOMP, Temperature sensor, GLCDC, 2DRW, GPT, LP-GPT, WDT, RTC

Package: 224 pin BGA

Successful product portfolio

Renesas has combined the new RA8E1 and RA8E2 product group MCUS with numerous compatible devices in its portfolio to create a broad "portfolio of successful products," including entry-level voice and vision AI systems and home appliance human machine interfaces (HMI). These "winning portfolios" are based on products that are compatible and work together seamlessly, with a technologically proven system architecture that results in optimized, low-risk designs to accelerate time to market. Renesas now offers more than 400 "winning portfolios" based on the various products in its product lineup, enabling customers to accelerate the design process and bring products to market faster. For more information, please visit renesas.com/win.

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