MCU, 32BIT, CORTEX-M3, 72MHZ, QFN-32; Product Range:FM3 Family MB9BX20 Series Microcontrollers; Architecture:ARM Cortex-M3; No. of Bits:32bit; CPU Speed:72MHz; Program Memory Size:64KB; RAM Memory Size:8KB; No. of Pins:32Pins; MCU Case Style:QFN; No. of I/O's:23I/O's; Embedded Interface Type:I2C, UART; Supply Voltage Min:2.7V; Supply Voltage Max:5.5V; MCU Family:FM3; MCU Series:MB9BX20; RoHS Phthalates Compliant:Yes; MSL:MSL 3 - 168 hours; SVHC:No SVHC (17-Dec-2015)