Name

Abbreviation

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

AO

Gate Driver Analog Output

P

Gate Driver Supply\GND pin

S

Supply pin

I

Input-only pin

I/O

Input / output pin

I/O structure

FT

5 V-tolerant I/O

FTf

5 V-tolerant I/O, FM+ capable

TTa

3.3 V-tolerant I/O directly connected to ADC

TC

Standard 3.3V I/O

B

Dedicated BOOT0 pin

RST

Bidirectional reset pin with embedded weak pull-up

resistor

Notes

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

Pin functions

Alternate Functions

Functions selected through GPIOx_AFR registers

Additional functions

Functions directly selected/enabled through peripheral

registers

MCU pad

Type

controller pad

Function

PB12

I/O - FT

FAULT

Gate Driver Fault output

PB13

I/O - FT

LIN1

Gate Driver Low Side input driver 1

PB14

I/O - FT

LIN2

Gate Driver Low Side input driver 2

PB15

I/O - FT

LIN3

Gate Driver Low Side input driver 3

PA8

I/O - FT

HIN1

Gate Driver High Side input driver 1

PA9

I/O - FTf

HIN2

Gate Driver High Side input driver 2

PA10

I/O - FTf

HIN3

Gate Driver High Side input driver 3

PA11

I/O - FT

EN

Gate Driver shut down input

-

Power

EPAD

Note:

Each unused GPIO inside the SiP should be configured in OUTPUT mode low level after startup by software

STSPIN32F0251, STSPIN32F0252

Pin description and connection diagram

DS13048 - Rev 4

page 5/32