STM32F401CBU6

ARM® Cortex®-M4 32bit MCU + FPU. It supports up to 11 communication interfaces likely up to 3 x I2C interfaces (1Mbit/s, SMBus/PMBus), Up to 3 USARTs (2 x 10.5Mbit/s, 1 x 5.25Mbit/s), ISO 7816 interface, LIN, IrDA, modem control), Up to 4 SPIs (up to 42Mbits/s at fCPU = 84MHz), SPI2 and SPI3 with muxed full duplex I2S to achieve audio class accuracy via internal audio PLL or external clock and SDIO interface. Also supports USB 2.0 full-speed device/host/OTG controller with on-chip PHY advanced connectivity. Suitable for use in motor drive and application control, medical equipment, industrial applications: PLC, inverters, circuit breakers, printers and scanners, alarm systems, video intercom and HVAC, home audio appliances and mobile phone sensor hub.

• 105 DMIPS/1.25 DMIPS/MHz (Dhrystone 2.1) and DSP instructions
• Clock, reset and supply management (internal (16MHz factory-trimmed RC, 32KHz RC with calibration))
• POR, PDR, PVD and BOR
• 1x12bit, 2.4 MSPS A/D converter: up to 16 channels
• General-purpose DMA: 16-stream DMA controllers with FIFOs and burst support
• Up to 11 timers and up to 81 I/O ports with interrupt capability
• Serial wire debug (SWD) & JTAG interfaces
• Cortex®-M4 Embedded Trace Macrocell™
• CRC calculation unit and 96bit unique ID
• RTC: subsecond accuracy, hardware calendar