EFM8LB12F64E-A-QFP32 microcontroller by Silicon-Labs. Family: Laserbee Features: 8-Bit MCU, 64KB Flash memory 14-Bit Analog-to-digital converter, two comparators,temperature sensor, 2 UARTs Revision: A Package: Surface Mount QFP32 Download Silicon-Labs EFM8LB12F64E-A-QFP32 .pdf datasheet: Package: Surface Mount QFP32 Status: New RoHS compliant: YES