MCU 8BIT 8051 50MHZ QFN-28; Controller Family/Series:EFM8 - Busy Bee; CPU Speed:50MHz; Program Memory Size:16KB; RAM Memory Size:2.25KB; No. of Pins:28Pins; MCU Case Style:QFN; No. of I/O's:22I/O's; Embedded Interface Type:I2C SPI UART; Supply Voltage Min:2.2V; Supply Voltage Max:3.6V; Packaging:Each; Product Range:EFM8 Busy Bee Microcontrollers; Automotive Qualification Standard:-; MSL:MSL 3 - 168 hours