STM32U545NET3QTR datasheet(16/283 Pages) STMICROELECTRONICS

16 / 283 page

Description

STM32U545xx

16/283

DS14216 Rev 1

full-speed, and one generic synchronous 8-/16-bit PSSI (parallel data input/output slave

interface).

The devices operate in the –40 to +85 °C (+105 °C junction) and –40 to +125 °C

(+130 °C junction) 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.

Many peripherals (including communication, analog, timers and audio peripherals) can be

functional and autonomous down to Stop mode with direct memory access, thanks to

LPBAM support (low-power background autonomous mode).

Some independent power supplies are supported like an analog independent supply input

for ADC, DACs, OPAMPs and comparators, a 3.3 V dedicated supply input for USB and

up to 14 I/Os, that can be supplied independently down to 1.08 V. A VBAT input is available

for connecting a backup battery in order to preserve the RTC functionality and to backup 32

32-bit registers and 2-Kbyte SRAM.

The devices offer eight packages from 48 to 100 pins.

Table 2. STM32U545xx features and peripheral counts

Peripherals

Flash memory (Kbytes)

512

SRAM (274 Kbytes)

System (Kbytes)

272 (192+64+16)

Backup (bytes)

2048 backup SRAM + 128 backup registers

OCTOSPI

Timers

Advanced control

2 (16 bits)

General purpose

4 (32 bits) and 3 (16 bits)

Basic

2 (16 bits)

Low power

4 (16 bits)

SysTick timer

Watchdog timers

(independent,

window)

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