Manufacturer: STMicroelectronics Product Category: ARM Microcontrollers - MCU RoHS: RoHS Compliant Details Core: ARM Cortex M3 Data Bus Width: 32 bit Maximum Clock Frequency: 72 MHz Program Memory Size: 128 kB Data RAM Size: 20 kB A/D Channels Available: 16 A/D Bit Size: 12 bit Operating Supply Voltage: 2 V to 3.6 V Maximum Operating Temperature: + 85 C Package / Case: LQFP-64 Mounting Style: SMD/SMT Brand: STMicroelectronics Data RAM Type: SRAM Interface Type: CAN, I2C, SPI, USART, USB Length: 10 mm Minimum Operating Temperature: - 40 C Number of I/Os: 64 I/O Number of Timers: 3 Timer Packaging: Tray Processor Series: ARM Cortex-M Program Memory Type: Flash