32-bit Arm® Cortex®-M7 400MHz MCUs, up to 2MB
Flash,1MB
RAM, 46 com. and analog interfacesDatasheet - production dataFeaturesCore• 32-bit Arm® Cortex®-M7 core with doubleprecision FPU and L1 cache: 16 Kbytes of dataand 16 Kbytes of instruction cache allowingone cache line to be filled in a single accessfrom the 256-bit embedded Flash memory;frequency up to 400 MHz, MPU, 856 DMIPS/2.14 DMIPS/MHz (Dhrystone 2.1), and DSPinstructionsMemories• Up to 2 Mbytes of Flash memory with readwhile-write support• 1 Mbyte of RAM: 192 Kbytes of TCM RAM (inc.64 Kbytes of ITCM RAM + 128 Kbytes ofDTCM RAM for time critical routines),864 Kbytes of user
SRAM, and 4 Kbytes ofSRAM in Backup domain• Dual mode Quad-SPI memory interfacerunning up to 133 MHz• Flexible external memory controller with up to32-bit data bus: SRAM, PSRAM,SDRAM/LPSDR SDRAM, NOR/NAND Flashclocked up to 133 MHz in synchronous mode• CRC calculation unitSecurity• ROP, PC-ROP, active tamperGeneral-purpose input/outputs• Up to 168 I/O ports with interrupt capability– Fast I/Os capable of up to 133 MHz– Up to 164 5 V-tolerant I/OsReset and power management• 3 separate power domains which can beindependently clock gated or switched off tomaximize power efficiency:– D1: high-performance capabilities for highbandwidth peripherals– D2: communication peripherals and timers– D3: reset/clock control/power management• 1.62 to 3.6 V application supply and I/Os• POR, PDR, PVD and BOR• Dedicated
USB power embedding a 3.3 Vinternal regulator to supply the internal PHYs• Embedded regulator (LDO) with configurablescalable output to supply the digital circuitry• Voltage scaling in Run and Stop mode (5configurable ranges)• Backup regulator (~0.9 V)• Voltage reference for analog peripheral/VREF+• Low-power modes: Sleep, Stop, Standby andVBAT supporting battery chargingLow-power consumption• Total current consumption down to 4 µAClock management• Internal oscillators: 64 MHz HSI, 48 MHzHSI48, 4 MHz CSI, 40 kHz LSI• External oscillators: 4-48 MHz HSE,32.768 kHz LSE• 3× PLLs (1 for the system clock, 2 for kernelclocks) with fractional modeFBGALQFP208(28x28 mm)LQFP176(24x24 mm)LQFP144(20x20 mm)LQFP100(14x14 mm) UFBGA176+25 (10x10 mm)UFBGA169 (7x7 mm)(1)FBGATFBGA240+25 (14x14 mm)TFBGA100 (8x8 mm)(1)1. Package under development.
www.st.comSTM32H743xI2/226 DocID030538 Rev 3Interconnect matrix• 3 bus matrices (1 AXI and 2 AHB)• Bridges (5× AHB2-APB, 2× AXI2-AHB)4 DMA controllers to unload the CPU• 1× high-speed general-purpose master directmemory access controller (MDMA) with linkedlist support• 2× dual-port DMAs with FIFO and requestrouter capabilities• 1× basic DMA with request router capabilitiesUp to 35 communication peripherals• 4× I2C FM+ interfaces (SMBus/PMBus)• 4× USART/4x UARTs (ISO7816 interface, LIN,IrDA, modem control, up to 12.5 Mbit/s) and1x LPUART• 6× SPIs, including 3 with muxed duplex I2Saudio class accuracy via internal audio PLL orexternal clock, 1x I2S in LP domain (up to133 MHz)• 4x SAIs (serial audio interface)• SPDIFRX interface• SWPMI single-wire protocol master I/F• MDIO Slave interface• 2× SD/SDIO/MMC interfaces (up to 125 MHz)• 2× CAN controllers: 2 with CAN FD, 1 withtime-triggered CAN (TT-CAN)• 2× USB OTG interfaces (1FS, 1HS/FS)• Ethernet MAC interface with DMA controller• HDMI-CEC• 8- to 14-bit camera interface (up to 80 MHz)11 analog peripherals• 3× ADCs with 16-bit max. resolution (14 bits4 MSPS, 16 bits 3.6 MSPS)• 1× temperature sensor• 2× 12-bit D/A converters (1 MHz)• 2× ultra-low-power comparators• 2× operational amplifiers (8 MHz bandwidth)• 1× digital filters for sigma delta modulator(DFSDM) with 8 channels/4 filtersGraphics• LCD-TFT controller up to XGA resolution• Chrom-ART graphical hardware Accelerator™(DMA2D) to reduce CPU load• Hardware JPEG CodecUp to 22 timers and watchdogs• 1× high-resolution timer (2.5 ns maxresolution)• 2× 32-bit timers with up to 4 IC/OC/PWM orpulse counter and quadrature (incremental)encoder input (up to 200 MHz)• 2× 16-bit advanced motor control timers (up to200 MHz)• 10× 16-bit general-purpose timers (up to200 MHz)• 5× 16-bit low-power timers (up to 200 MHz)• 2× watchdogs (independent and window)• 1× SysTick timer• RTC with sub-second accuracy & HW calendarDebug mode• SWD & JTAG interfaces• 4 Kbyte Embedded Trace BufferTrue random number generators (3oscillators each)96-bit unique IDAll packages are ECOPACK®2 compliant
