STMicroelectronics STM32H742, STM32H743/753, STM32H750 Reference Manual

About this manual

The document provides complete information for application developers on how to use the STM32H742, STM32H743/753 and STM32H750 32‑bit microcontrollers. It covers system architecture, memory organization, flash protection, power control, clock configuration and peripheral interfaces such as I2C.

Key sections include the memory and bus architecture, embedded flash memory, secure memory management, power control and low‑power modes, as well as detailed descriptions of the Reset and Clock Control (RCC) and Inter‑integrated circuit (I2C) interfaces. For ordering, mechanical and electrical characteristics, the manual points to the corresponding datasheets.

What's inside

• Memory and bus architecture
• Embedded flash memory
• Secure memory management
• Power control (PWR)
• Low‑power D3 domain application example
• Reset and Clock Control (RCC)
• Clock recovery system (CRS)
• Inter‑integrated circuit (I2C) interface

Specifications

Frequently asked questions

What is the purpose of this reference manual?

It provides detailed information for application developers on how to use the STM32H742, STM32H743/753 and STM32H750 microcontrollers.

Where can I find ordering information and device characteristics?

Ordering information, mechanical and electrical device characteristics are available in the corresponding datasheets.

Which low‑power mode does the I2C interface support?

In Sleep mode the I2C interface has no effect, but I2C interrupts can wake the device from Sleep.