Mcu, 8Bit, 72Mhz, Qfn-32; Product Range:efm8 Family Efm8Lb Series Microcontrollers; Cpu Speed:72Mhz; Program Memory Size:64Kb; Ram Memory Size:4.25Kb; No. Of Pins:32Pins; Mcu Case Style:qfn; No. Of I/o S:28I/o S; Embedded Interface Rohs Compliant: Yes