STM32H533CE datasheet(14/231 Pages) STMICROELECTRONICS

14 / 231 page

Description

STM32H533xx

14/231

DS14539 Rev 1

Description

The STM32H533xx devices are high-performance microcontrollers of the STM32H5 series,

based on the high-performance Arm® Cortex®-M33 32-bit RISC core. They operate at a

frequency of up to 250 MHz.

The Cortex®-M33 core features a single-precision floating-point unit (FPU), which supports

all the Arm® single-precision data-processing instructions and all the data types.

The Cortex®-M33 core implements a full set of DSP (digital signal processing) instructions

and a memory protection unit (MPU) that enhances the application security.

The devices embed high-speed memories (512 Kbytes of dual bank flash memory and

272 Kbytes of SRAM), a flexible external memory controller (FMC) for devices with

packages of 100 pins and more, one OCTOSPI memory interface (at least one Quad-SPI

available on all packages), and an extensive range of enhanced I/Os and peripherals

connected to three APB buses, three AHB buses, and a 32-bit multi-AHB bus matrix.

The devices offer security foundation compliant with the trusted-based security architecture

(TBSA) requirements from Arm®. Besides these capabilities, the devices incorporate a

secure firmware installation that allows the customer to secure the provisioning of the code

during its production. A flexible life cycle is managed thanks to multiple levels of protection

and secure debug authentication. Firmware hardware isolation is supported thanks to

securable peripherals, memories, and I/Os, and to privilege configuration of peripherals and

memories.

The devices feature several protection mechanisms for embedded flash memory and

SRAM: readout protection, write protection, secure, and hide protection areas.

Dedicated peripherals reinforce security: an HASH hardware accelerator, and a true random

number generator.

The devices offer active tamper detection and protection against transient and

environmental perturbation attacks, thanks to several internal monitoring, generating secret

data erase in case of attack. This helps to fit the PCI requirements for point of sales

applications.

The devices offer two fast 12-bit ADCs, two DAC channels, an internal voltage reference

buffer, a low-power RTC, two 32-bit general-purpose timers, two 16-bit PWM timers

dedicated to motor control, eight 16-bit general-purpose timers, two 16-bit basic timers, and

six 16-bit low-power timers.

The devices also feature standard and advanced communication interfaces, namely: three

I2Cs, two I3Cs, four SPIs with three muxed full-duplex I2S, four USARTs, two UARTs and

one low-power UART, one digital camera interface (DCMI), one SDMMC, two FDCANs, one

USB full-speed, one USB Type-C®/USB power delivery controller.

The devices operate in the -40 to +85 °C/105 °C (+130 °C junction), and to 125 °C at low

dissipation temperature ranges from a 1.71 to 3.6 V power supply.

A comprehensive set of power-saving modes allow the design of low-power applications.

Independent power supplies are supported: an analog independent supply input for ADC,

DACs, a 3.3 V dedicated supply input for USB, and a dedicated supply input for some

GPIOs and SDMMC. A VBAT input is available to connect a backup battery, to preserve the

RTC functionality, and to backup 32x 32-bit registers and a 2-Kbyte SRAM.

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