Low Power MCUs with 1MB Flash, 192KB SRAM

Product Announcement from Renesas Electronics Corporation


Easily Migrate Across the Entire Renesas Synergy™ Platform with the S3A1 MCUs

The Renesas Synergy S3A1 MCU Group offers 1MB code Flash memory, 192KB SRAM, and ultra-low power consumption in a variety of pin and package footprints. The devices are ideal for a wide range of applications, including wearables, portable medical and fitness devices, building automation, fire and security control, thermostats, and more.

The S3A1 MCUs are pin and peripheral compatible with existing Synergy MCUs, offering scalability and code reuse to accelerate hardware and software development. 

Key features include:

  • 48MHz Arm® Cortex®-M4 core with FPU
  • 1MB code Flash memory; 192KB on-chip SRAM
  • Segment LCD controller and capacitive touch sensing unit
  • USB 2.0 full-speed module
  • On-chip security features: AES 128/256, a true random number generator (TRNG), and hash-value generation (GHASH)
  • Supported by Synergy Software Package

Learn more about the Renesas Synergy Platform