STM32F401RET6

ARM® Cortex®-M4 32bit MCU + FPU. It supports up to 12 communication interfaces likely up to 3 x I2C interfaces (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 42Mbit/s at fCPU = 84MHz), SPI2 and SPI3 with muxed full-duplex I2S to achieve audio class accuracy via internal audio PLL or external clock, SDIO interface, Advanced connectivity: USB 2.0 full-speed device/host/OTG controller with on-chip PHY. Suitable for use in motor drive and application control, medical equipment, industrial applications such as 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

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