STM32H757AI datasheet(15/251 Pages) STMICROELECTRONICS

15 / 251 page

DS12931 Rev 1

15/251

STM32H757xI

Description

Refer to Table 2: STM32H757xI features and peripheral counts for the list of peripherals

available on each part number.

STM32H757xI devices operate in the –40 to +85 °C temperature range from a 1.62 to 3.6 V

power supply. The supply voltage can drop down to 1.62 V by using an external power

supervisor (see Section 3.5.2: Power supply supervisor) and connecting the PDR_ON pin to

VSS. Otherwise the supply voltage must stay above 1.71 V with the embedded power

voltage detector enabled.

Dedicated supply inputs for USB (OTG_FS and OTG_HS) are available on all packages to

allow a greater power supply choice.

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

STM32H757xI devices are offered in 5 packages ranging from 156 pins to 240 pins/balls.

The set of included peripherals changes with the device chosen.

These features make STM32H757xI microcontrollers suitable for a wide range of

applications:

•

Motor drive and application control

•

Medical equipment

•

Industrial applications: PLC, inverters, circuit breakers

•

Printers, and scanners

•

Alarm systems, video intercom, and HVAC

•

Home audio appliances

•

Mobile applications, Internet of Things

•

Wearable devices: smart watches.

Figure 1 shows the device block diagram.

Table 2. STM32H757xI features and peripheral counts

Peripherals

STM32H757

STM32H75

7II

STM32H75

7BI

STM32H757

Flash memory in Kbytes

2 x 1 Mbyte

SRAM in Kbytes

SRAM mapped onto AXI

bus

512

SRAM1 (D2 domain)

128

SRAM2 (D2 domain)

SRAM3 (D2 domain)

SRAM4 (D3 domain)

TCM RAM in

Kbytes

ITCM RAM

(instruction)

DTCM RAM (data)

128

Backup SRAM (Kbytes)

FMC

Yes

General-purpose input/outputs

112

119

148

168

Quad-SPI

Yes

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