SiM3L1xx High-Performance, Low-Power, 32-Bit Preci.
Silicon Laboratories
SiM3L156-C-GQ - MCU
SiM3L1xx High-Performance, Low-Power, 32-Bit Precision32™ MCU Family with up to 256 kB of Flash 32-bit ARM Cortex-M3 CPU - 50 MHz maximum frequency - .