ARM MCU, USB OTG FS, STM32 Family STM32F1 Series Microcontrollers, ARMCortex-M3, 32 bit, 72 MHzProduct OverviewConnectivity line, ARM-based 32bit MCU with USB OTG FS device mode. It issuitable for a wide range of applications such as motor drives and applicationcontrol, medical and handheld equipment, industrial applications, PLCs,inverters, printers and scanners, alarm systems, video intercom, HVAC and homeaudio equipment.Clock, reset and supply management (internal (8MHz factory-trimmed RC, 40kHz RCwith calibration))Sleep, stop and standby modes2 x 12bit, 1µs ADC (up to 16channels) and 2 x 12bit D/A converters12channel DMA controllerSupported peripherals: timers, ADCs, DAC, I2Ss, SPIs, I2Cs and USARTsUp to 80 fast I/O ports and serial wire debug (SWD) & JTAG interfacesUp to 10 timers with pinout remap capabilityUp to 14 communication interfaces with pinout remap capabilityCRC calculation unit, 96bit unique IDProduct InformationProduct Range: STM32 Family STM32F1 Series MicrocontrollersDevice Core: ARM Cortex-M3No. of Bits: 32bitData Bus Width: 32bitOperating Frequency Max: 72MHzCPU Speed: 72MHzProgram Memory Size: 128KBRAM Memory Size: 32KBIC Case / Package: LQFPNo. of Pins: 64PinsMCU Case Style: LQFPNo. of I/O's: 51I/O'sInterfaces: CAN, I2C, SPI, USART, USBEmbedded Interface Type: CAN, I2C, SPI, USART, USBSupply Voltage Min: 2VSupply Voltage Max: 3.6VMCU Family: STM32MCU Series: STM32F1Operating Temperature Min: -40°COperating Temperature Max: 85°CIC Mounting: Surface MountMSL: MSL 3 - 168 hours