s1-group
S1 Series

Maximize battery life in portable sensor and control applications with the S1 Series, operating down to 1.6V with extreme low power modes and fast wake-up times. Optimize CPU bandwidth and reduce power consumption with integrated features such as hardware-accelerated peripherals, while a True Random Number Generator and AES provide secure connectivity.

ultra-power

Ultra-Low Power

Get long standby mode times with the ultra-low power Arm® Cortex®-M0+, analog capabilities, secure connectivity, and robust safety using independent wake-up signals for selected peripherals while keeping the CPU and other peripherals disabled.

MCU Groups

The MCU Groups within the S1 Series span flash memory sizes from 128KB to 256KB, SRAM from 16 KB to 24 KB, and vary in analog peripherals.

S124

s124

S124

Uniquely suited for battery-operated sensing and control applications that require low power operation modes and fast wake-up times of the CPU core, the S124 has 128 KB flash memory and 16 KB SRAM. Features include a 14-bit A/D Converter, 12-bit D/A Converter, and a Capacitive Touch Sensing Unit, in addition to safety and security.

Explore S124 Group MCUs

S128

s128

S128

Scale up to the S128 Group and get 256 KB of flash memory, 24 KB SRAM, a Memory Protection Unit for additional security, and a Digital Addressable Lighting Interface-2 (DALI-2) for building automation applications.

Explore S128 Group MCUs
s1-getty

FIND THE RIGHT MCU FOR YOUR PROJECT

Compare features, functionality, and performance across the Series to determine the right MCU for your project.

PART FINDER