STM32U545NET3QTR datasheet(100/283 Pages) STMICROELECTRONICS

部件名	STM32U545NET3QTR

功能描述	Ultra-low-power Arm® Cortex®-M33 MCUTrustZone®FPU,240 DMIPS, 512 KB flash memory, 274 KB SRAM, crypto

PDF	283 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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100 / 283 page

Pinout, pin description, and alternate functions

STM32U545xx

100/283

DS14216 Rev 1

4.2

Pin description

Table 26. Legend/abbreviations used in the pinout table

Name

Abbreviation

Definition

Pin name

Unless otherwise specified in brackets below the pin name, the pin function during

and after reset is the same as the actual pin name

Pin type

Supply pin

Input only pin

I/O

Input/output pin

I/O structure

5V-tolerant I/O

3.6V-tolerant I/O

RST

Bidirectional reset pin with embedded weak pull-up

resistor

Option for TT or FT I/Os(1)

I/O, with analog switch function supplied by VDDA

I/O, Fm+ capable

I/O with high-speed low-voltage mode

I/O with OSC32_IN/OSC32_OUT capability

I/O supplied only by VDDIO2

I/O with tamper function supplied by VSW

I/O, with USB function supplied by VDDUSB

I/O very high-speed capable

Notes

Unless otherwise specified by a note, all I/Os are set as analog inputs during and after

reset.

functions

Alternate

functions

Functions selected through GPIOx_AFR registers

Additional

functions

Functions directly selected/enabled through peripheral registers

1. The related I/O structures in the table below are a concatenation of various options. Examples: FT_hat, FT_fs, FT_u, TT_a.

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