IC, 32-BIT MCU, ARM Cortex, 48MHZ, 64-QFN; Controller Family/Series:(ARM Cortex); Core Size:32bit; No. of I/O's:47; Supply Voltage Min:1.62V; Supply Voltage Max:3.6V; Digital IC Case Style:QFN; No. of Pins:64; RAM Memory Size:16KB ;RoHS Compliant: Yes