IC, 32-BIT MCU, CORTEX-M4, 48MHZ, 64-QFN; Controller Family/Series:(ARM Cortex); Core Size:32bit; No. of I/O's:43; Supply Voltage Min:2V; Supply Voltage Max:3.6V; Digital IC Case Style:QFN; No. of Pins:64; Program Memory Size:128 KB ;RoHS Compliant: Yes