STM32H742xI/G STM32H743xI/G 32-bit Arm Cortex -M7 480MHz MCUs, up to 2MB Flash, up to 1MB RAM, 46 com. and analog interfaces Datasheet - production data Features Includes ST state-of-the-art patented technology LQFP100 TFBGA100 UFBGA169 (1) (14 x 14 mm) (8 x 8 mm) (7 x 7 mm) Core LQFP144 TFBGA240+25 UFBGA176+25 (20 x 20 mm) (14 x 14 mm) (10 x 10 mm) 32-bit Arm Cortex -M7 core with double- LQFP176 (24 x 24 mm) precision FPU and L1 cache: 16 Kbytes of data LQFP208 and 16 Kbytes of instruction cache frequency (28 x 28 mm) up to 480 MHz, MPU, 1027 DMIPS/ 2.14 DMIPS/MHz (Dhrystone 2.1), and DSP D2: communication peripherals and timers instructions D3: reset/clock control/power management Memories 1.62 to 3.6 V application supply and I/Os Up to 2 Mbytes of Flash memory with read- POR, PDR, PVD and BOR while-write support Dedicated USB power embedding a 3.3 V Up to 1 Mbyte of RAM: 192 Kbytes of TCM internal regulator to supply the internal PHYs RAM (inc. 64 Kbytes of ITCM RAM + Embedded regulator (LDO) with configurable 128 Kbytes of DTCM RAM for time critical scalable output to supply the digital circuitry routines), Up to 864 Kbytes of user SRAM, and Voltage scaling in Run and Stop mode (6 4 Kbytes of SRAM in Backup domain configurable ranges) Dual mode Quad-SPI memory interface Backup regulator (~0.9 V) running up to 133 MHz Voltage reference for analog peripheral/V Flexible external memory controller with up to REF+ 32-bit data bus: SRAM, PSRAM, Low-power modes: Sleep, Stop, Standby and SDRAM/LPSDR SDRAM, NOR/NAND Flash V supporting battery charging BAT memory clocked up to 100 MHz in Synchronous mode Low-power consumption CRC calculation unit V battery operating mode with charging BAT capability Security CPU and domain power state monitoring pins ROP, PC-ROP, active tamper 2.95 A in Standby mode (Backup SRAM OFF, RTC/LSE ON) General-purpose input/outputs Up to 168 I/O ports with interrupt capability Clock management Internal oscillators: 64 MHz HSI, 48 MHz Reset and power management HSI48, 4 MHz CSI, 32 kHz LSI 3 separate power domains which can be External oscillators: 4-48 MHz HSE, independently clock-gated or switched off: 32.768 kHz LSE D1: high-performance capabilities April 2021 DS12110 Rev 8 1/357 This is information on a product in full production. www.st.comSTM32H742xI/G STM32H743xI/G 3 PLLs (1 for the system clock, 2 for kernel Graphics clocks) with Fractional mode LCD-TFT controller up to XGA resolution Interconnect matrix Chrom-ART graphical hardware Accelerator (DMA2D) to reduce CPU load 3 bus matrices (1 AXI and 2 AHB) Hardware JPEG Codec Bridges (5 AHB2-APB, 2 AXI2-AHB) Up to 22 timers and watchdogs 4 DMA controllers to unload the CPU 1 high-resolution timer (2.1 ns max 1 high-speed master direct memory access resolution) controller (MDMA) with linked list support 2 32-bit timers with up to 4 IC/OC/PWM or 2 dual-port DMAs with FIFO pulse counter and quadrature (incremental) 1 basic DMA with request router capabilities encoder input (up to 240 MHz) 2 16-bit advanced motor control timers (up to Up to 35 communication peripherals 240 MHz) 4 I2Cs FM+ interfaces (SMBus/PMBus) 10 16-bit general-purpose timers (up to 4 USARTs/4x UARTs (ISO7816 interface, 240 MHz) LIN, IrDA, up to 12.5 Mbit/s) and 1x LPUART 5 16-bit low-power timers (up to 240 MHz) 6 SPIs, 3 with muxed duplex I2S audio class 2 watchdogs (independent and window) accuracy via internal audio PLL or external clock, 1x I2S in LP domain (up to 150 MHz) 1 SysTick timer 4x SAIs (serial audio interface) RTC with sub-second accuracy and hardware calendar SPDIFRX interface SWPMI single-wire protocol master I/F Debug mode MDIO Slave interface SWD & JTAG interfaces 2 SD/SDIO/MMC interfaces (up to 125 MHz) 4-Kbyte Embedded Trace Buffer 2 CAN controllers: 2 with CAN FD, 1 with time-triggered CAN (TT-CAN) True random number generators (3 oscillators each) 2 USB OTG interfaces (1FS, 1HS/FS) crystal- less solution with LPM and BCD 96-bit unique ID Ethernet MAC interface with DMA controller HDMI-CEC All packages are ECOPACK2 compliant 8- to 14-bit camera interface (up to 80 MHz) Table 1. Device summary Reference Part number 11 analog peripherals STM32H742VI, STM32H742ZI, 3 ADCs with 16-bit max. resolution (up to 36 STM32H742II, STM32H742BI, channels, up to 3.6 MSPS) STM32H742XI, STM32H742AI, STM32H742xI/G 1 temperature sensor STM32H742VG, STM32H742ZG, STM32H742IG, STM32H742BG, 2 12-bit D/A converters (1 MHz) STM32H742XG, STM32H742AG 2 ultra-low-power comparators STM32H743VI, STM32H743ZI, 2 operational amplifiers (7.3 MHz bandwidth) STM32H743II, STM32H743BI, STM32H743XI, STM32H743AI, 1 digital filters for sigma delta modulator STM32H743xI/G STM32H743VG, STM32H743ZG, (DFSDM) with 8 channels/4 filters STM32H743IG, STM32H743BG, STM32H743XG, STM32H743AG 2/357 DS12110 Rev 8