Arm Cortex M0+
SAMD21 32-bit Arm Cortex-M0+ Microcontroller
The SAMD21 or more precisely the ATSAMD21G18 is a microcontroller manufactured by Atmel.
STM32G0 – Entry-level Arm Cortex-M0+ MCUs for low power consumption and large memory applications
Adding to the popular STM32 microcontroller series, STMicroelectronics has today launched the STM32G0 conceived to deliver sharp performance within a tight power budget.