SiM3C1xx High-Performance, Low-Power, 32-Bit Preci.
Silicon Laboratories
SiM3C136-B-GM - 32-bit MCU
SiM3C1xx High-Performance, Low-Power, 32-Bit Precision32™ MCU Family with up to 256 kB of Flash 32-bit ARM® Cortex™-M3 CPU Analog Peripherals - 80 .