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
FBGA
FBGA
Core
32-bit Arm Cortex -M7 core with double-
LQFP100 TFBGA100 UFBGA169
precision FPU and L1 cache: 16 Kbytes of data (1)
(14 x 14 mm) (8 x 8 mm) (7 x 7 mm)
LQFP144 TFBGA240+25 UFBGA176+25
and 16 Kbytes of instruction cache; frequency
(20 x 20 mm) (14 x 14 mm) (10 x 10 mm)
up to 480 MHz, MPU, 1027 DMIPS/
LQFP176
(24 x 24 mm)
2.14 DMIPS/MHz (Dhrystone 2.1), and DSP
LQFP208
instructions
(28 x 28 mm)
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 +
128 Kbytes of DTCM RAM for time critical
Embedded regulator (LDO) with configurable
routines), Up to 864 Kbytes of user SRAM, and
scalable output to supply the digital circuitry
4 Kbytes of SRAM in Backup domain
Voltage scaling in Run and Stop mode (6
Dual mode Quad-SPI memory interface
configurable ranges)
running up to 133 MHz
Backup regulator (~0.9 V)
Flexible external memory controller with up to
Voltage reference for analog peripheral/V
REF+
32-bit data bus: SRAM, PSRAM,
Low-power modes: Sleep, Stop, Standby and
SDRAM/LPSDR SDRAM, NOR/NAND Flash
V supporting battery charging
memory clocked up to 100 MHz in
BAT
Synchronous mode
Low-power consumption
CRC calculation unit
V battery operating mode with charging
BAT
Security
capability
CPU and domain power state monitoring pins
ROP, PC-ROP, active tamper
2.95 A in Standby mode (Backup SRAM OFF,
General-purpose input/outputs
RTC/LSE ON)
Up to 168 I/O ports with interrupt capability
Clock management
Reset and power management
Internal oscillators: 64 MHz HSI, 48 MHz
HSI48, 4 MHz CSI, 32 kHz LSI
3 separate power domains which can be
independently clock-gated or switched off:
External oscillators: 4-48 MHz HSE,
D1: high-performance capabilities 32.768 kHz LSE
D2: communication peripherals and timers
3 PLLs (1 for the system clock, 2 for kernel
D3: reset/clock control/power management clocks) with Fractional mode
April 2019 DS12110 Rev 7 1/357
This is information on a product in full production. www.st.comSTM32H742xI/G STM32H743xI/G
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 ECOPACK 2 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
Graphics
LCD-TFT controller up to XGA resolution
2/357 DS12110 Rev 7