STM32L475VC datasheet(55/193 Pages) STMICROELECTRONICS

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STM32L475xx

Pinouts and pin description

Table 14. 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

5 V tolerant I/O

3.6 V tolerant I/O

Dedicated BOOT0 pin

RST

Bidirectional reset pin with embedded weak pull-up resistor

Option for TT or FT I/Os

_f (1)

I/O, Fm+ capable

_u (2)

I/O, with USB function supplied by VDDUSB

_a (3)

I/O, with Analog switch function supplied by VDDA

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 Table 15 are: FT_f, FT_fa, FT_f, FT_fa.

2. The related I/O structures in Table 15 are: FT_u.

3. The related I/O structures in Table 15 are: FT_a, FT_fa, TT_a.

Table 15. STM32L475xx pin definitions

Number

Pin name

(function after

reset)

Pin functions

Alternate functions

Additional functions

PE2

I/O

TRACECK, TIM3_ETR,

TSC_G7_IO1, FMC_A23,

SAI1_MCLK_A, EVENTOUT

PE3

I/O

TRACED0, TIM3_CH1,

TSC_G7_IO2, FMC_A19,

SAI1_SD_B, EVENTOUT

PE4

I/O

TRACED1, TIM3_CH2,

DFSDM_DATIN3,

TSC_G7_IO3, FMC_A20,

SAI1_FS_A, EVENTOUT

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