Debug mode– Serial wire debug (SWD) & JTAGinterfaces–Cortex®-M4 Embedded Trace Macrocell™• Up to 81 I/O ports with interrupt capability– Up to 78 fast I/Os up to 42 MHz– All I/O ports are 5 V-tolerant• Up to 12 communication interfaces– Up to 3 x I2C interfaces (SMBus/PMBus)– Up to 3 USARTs (2 x 10.5 Mbit/s,1 x 5.25 Mbit/s), ISO 7816 interface, LIN,IrDA, modem control)– Up to 4 SPIs (up to 42Mbit/s atfCPU = 84 MHz), SPI2 and SPI3 with muxedfull-duplex I2S to achieve audio classaccuracy via internal audio PLL or externalclock– SDIO interface– Advanced connectivity: USB 2.0 full-speeddevice/host/OTG controller with on-chipPHY• CRC calculation unit• 96-bit unique ID• RTC: subsecond accuracy, hardware calendar• All packages (WLCSP49, LQFP64/100,UFQFPN48, UFBGA100) are ECOPACK®2Table 1. Device summaryReferencePart numberSTM32F401xDSTM32F401CD,STM32F401RD, STM32F401VDSTM32F401xESTM32F401CE,STM32F401RE, STM32F401VELQFP100 (14 × 14 mm)LQFP64 (10 × 10 mm)UFQFPN48(7 × 7 mm)UFBGA100(7 × 7 mm)
产品名称：STM32L476RET6 托盘/STM32L031F4P6
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