STM32F446MC datasheet(46/201 Pages) STMICROELECTRONICS

46 / 201 page

Pinout and pin description

STM32F446xC/E

46/201

DocID027107 Rev 5

Table 9. 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

FTf

5V tolerant IO, I2C FM+ option

TTa

3.3 V tolerant I/O directly connected to ADC

Dedicated BOOT0 pin

RST

Bidirectional reset pin with weak pull-up resistor

Notes

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

Alternate

functions

Functions selected through GPIOx_AFR registers

Additional

functions

Functions directly selected/enabled through peripheral registers

Table 10. STM32F446xx pin and ball descriptions

Pin Number

Pin name (function

after reset)

Alternate functions

Additional

functions

PE2

I/O FT

TRACECLK, SPI4_SCK,

SAI1_MCLK_A,

QUADSPI_BK1_IO2,

FMC_A23, EVENTOUT

PE3

I/O FT

TRACED0, SAI1_SD_B,

FMC_A19, EVENTOUT

PE4

I/O FT

TRACED1, SPI4_NSS,

SAI1_FS_A, FMC_A20,

DCMI_D4, EVENTOUT

PE5

I/O FT

TRACED2, TIM9_CH1,

SPI4_MISO, SAI1_SCK_A,

FMC_A21, DCMI_D6,

EVENTOUT

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