Entry-line MCUs for cost-sensitive, space-constrained apps

February 01, 2021 //By Rich Pell
Entry-line MCUs for cost-sensitive, space-constrained apps
Semiconductor manufacturer Renesas Electronics has announced the addition of a new entry-line to its 32-bit RA2 family of microcontrollers (MCUs) to address cost-sensitive and space-constrained applications.

Based on the 48-MHz Arm Cortex-M23 core, the 48 new RA2E1 MCUs are single-chip devices with up to 128 KB of code flash and 16 KB SRAM memory. They support a 1.6-V to 5.5-V operating voltage range and are available in a large selection of packages such as LQFP, QFN, LGA, BGA and Wafer Level Chip Scale Package (WLCSP).

The devices, says the company, deliver optimized combinations of superior performance, ultra-low-power consumption, innovative peripherals and small package options, making the RA2E1 Group ideal for cost-sensitive applications and other systems requiring high performance and low-energy consumption in space-constrained applications. The new MCUs offer an upgrade path with hardware and software scalability, so they are offered as an ideal entry point into the wide line-up of the Renesas RA family.

"The RA2E1 Group is an important addition to our RA Family," says Roger Wendelken, Senior Vice President of Renesas’ IoT and Infrastructure Business Unit. "These devices are outstanding for any designer, delivering a wide-range of popular features and options for applications, such as consumer products, appliances and industrial equipment. Additionally, they serve as an entry point into our RA2 Series, offering seamless upgrade to larger RA Family devices with hardware and software scalability."

The upgraded low power capability in the RA2E1 MCUs cover all on-chip peripherals, the flash memory and SRAM, allowing the smallest possible power consumption over the devices' entire temperature and voltage range. System design flexibility is maximized across diverse applications via multiple low power modes. When benchmarked for power consumption, says the company, the RA2E1 MCU was certified with an EEMBC ULPMark score of 321 at 1.8 V, verifying its best-in-class power rating. Users can now minimize active power consumption close to standby levels to extend battery life.

Key Features of the RA2E1 MCU Group include:

  • 48 MHz Arm Cortex-M23 CPU core
  • Integrated flash memory options from 32KB to 128KB; and 16KB RAM
  • Support for wide operating voltage range:

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