Document
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
Core
• 32-bit Arm® Cortex®-M7 core with doubleprecision FPU and L1 cache: 16 Kbytes of data and 16 Kbytes of instruction cache; frequency up to 480 MHz, MPU, 1027 DMIPS/ 2.14 DMIPS/MHz (Dhrystone 2.1), and DSP instructions
Memories
• Up to 2 Mbytes of flash memory with readwhile-write support
• Up to 1 Mbyte of RAM: 192 Kbytes of TCM RAM (inc. 64 Kbytes of ITCM RAM + 128 Kbytes of DTCM RAM for time critical routines), Up to 864 Kbytes of user SRAM, and 4 Kbytes of SRAM in Backup domain
• Dual mode Quad-SPI memory interface running up to 133 MHz
• Flexible external memory controller with up to 32-bit data bus: SRAM, PSRAM, SDRAM/LPSDR SDRAM, NOR/NAND flash memory clocked up to 100 MHz in Synchronous mode
• CRC calculation unit
Security
• ROP, PC-ROP, active tamper
General-purpose input/outputs
• Up to 168 I/O ports with interrupt capability
Reset and power management
• 3 separate power domains which can be independently clock-gated or switched off: – D1: high-performance capabilities
LQFP100 (14 x 14 mm)
LQFP144 (20 x 20 mm)
LQFP176 (24 x 24 mm)
LQFP208 (28 x 28 mm)
TFBGA100 (8 x 8 mm)(1) TFBGA240+25 (14 x 14 mm)
UFBGA169 (7 x 7 mm) UFBGA176+25 (10 x 10 mm)
– 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 V internal regulator to supply the internal PHYs • Embedded regulator (LDO) with configurable scalable output to supply the digital circuitry • Voltage scaling in Run and Stop mode (6 configurable ranges) • Backup regulator (~0.9 V) • Voltage reference for analog peripheral/VREF+ • Low-power modes: Sleep, Stop, Standby and VBAT supporting battery charging
Low-power consumption
• VBAT battery operating mode with charging capability
• CPU and domain power state monitoring pins
• 2.95 µA in Standby mode (Backup SRAM OFF, RTC/LSE ON)
Clock management
• Internal oscillators: 64 MHz HSI, 48 MHz HSI48, 4 MHz CSI, 32 kHz LSI
• External oscillators: 4-48 MHz HSE, 32.768 kHz LSE
March 2023
This is information on a product in full production.
DS12110 Rev 10
1/357
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STM32H742xI/G STM32H743xI/G
• 3× PLLs (1 for the system clock, 2 for kernel clocks) with Fractional mode
Interconnect 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 master direct memory access controller (MDMA) with linked list support
• 2× dual-port DMAs with FIFO • 1× basic DMA with request router capabilities
Up to 35 communication peripherals
• 4× I2Cs FM+ interfaces (SMBus/PMBus) • 4× USARTs/4x UARTs (ISO7816 interface,
LIN, IrDA, up to 12.5 Mbit/s) and 1x LPUART • 6× SPIs, 3 with muxed duplex I2S audio class
accuracy via internal audio PLL or external clock, 1x I2S in LP domain (up to 150 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 with time-triggered CAN (TT-CAN) • 2× USB OTG interfaces (1FS, 1HS/FS) crystalless solution with LPM and BCD • 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 (up to 36 channels, up to 3.6 MSPS)
• 1× temperature sensor • 2× 12-bit D/A converters (1 MHz) • 2× ultra-low-power comparators • 2× operational amplifiers (7.3 MHz bandwidth) • 1× digital filters for sigma delta modulator
(DFSDM) with 8 channels/4 filters
Graphics
• LCD-TFT controller up to XGA resolution
• Chrom-ART graphical hardware Accelerator (DMA2D) to reduce CPU load
• Hardware JPEG Codec
Up to 22 timers and watchdogs
• 1× high-resolution timer (2.1 ns max resolution)
• 2× 32-bit timers with up to 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder input (up to 240 MHz)
• 2× 16-bit advanced motor control timers (up to 240 MHz)
• 10× 16-bit general-purpose timers (up to 240 MHz)
• 5× 16-bit low-power timers (up to 240 MHz) • 2× watchdogs (independent and window) • 1× SysTick timer • RTC with sub-second accuracy and hardware
calendar
Debug mode
• SWD & JTAG interfaces • 4-Kbyte embedded trace buffer
True random number generators (3 oscillators each)
96-bit unique ID
All packages are ECOPACK2 compliant
Table 1. Device summary
Reference
Part number
STM32H742VI, STM32H742ZI,
STM32H742II, STM32H742BI,
STM32H742xI/G
STM32H742XI, STM32H742AI, STM32H742VG, STM32H742ZG,
STM32H742IG, STM32H742BG,
STM32H742XG, STM32H742AG
STM32H743VI, STM32H743ZI,
STM32H743II, STM32H743BI,
.