2 Power supplies
2.1 Introduction
The STM32H723/33, STM32H725/35 and STM32H730 are highly integrated microcontrollers that are based on
the Arm
®
Cortex
®
-M7 32-bit core (refer to the datasheets/databriefs for details).
The STM32H723/33, STM32H725/35 and STM32H730 microcontrollers require at least one single power supply
to be fully operational.
Additional power supplies or voltage references are required for some use cases. The general design guidelines
are explained in the following sections. The figure below illustrates the power supply layout.
In all the diagrams, the gray boxes represent power domains.
AN5419
Power supplies
AN5419 - Rev 2
page 3/50
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