MCU 8BIT 8051 50MHZ QFN-24; Controller Family/Series:EFM8 - Busy Bee; CPU Speed:50MHz; Program Memory Size:32KB; RAM Memory Size:2.25KB; No. of Pins:24Pins; MCU Case Style:QFN; No. of I/O's:20I/O's; Embedded Interface Type:I2C ;RoHS Compliant: Yes