STM32H743IIT6 High-performance and DSP with DP-FPU, Arm Cortex-M7 MCU with 2M Bytes of Flash memory,

1MB RAM, 480 MHz CPU, Art Accelerator, L1 cache, external memory interface, large set of peripherals

Memories

• Up to 2 M bytes of Flash memory with read while - write support

• Up to 1 M byte of RAM: 192 K bytes of TCM RAM

(inc. 64 Kbytes of ITCM RAM + 128 K bytes 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

– 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

• 3× PLLs (1 for the system clock, 2 for kernel clocks) with Fractional mode

All packages are ECOPACK®2 compliant

Table 1. Device summary

Reference Part number

STM32H742xI/G

STM32H742VI, STM32H742ZI,

STM32H742II, STM32H742BI,

STM32H742XI, STM32H742AI,

STM32H742VG, STM32H742ZG,

STM32H742IG, STM32H742BG,

STM32H742XG, STM32H742AG

STM32H743xI/G

STM32H743VI, STM32H743ZI,

STM32H743II, STM32H743BI,

STM32H743XI, STM32H743AI,

STM32H743VG, STM32H743ZG,

STM32H743IG, STM32H743BG,

STM32H743XG, STM32H743AG

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