STM32L15XQC Datasheet, PDF(37/134 Page) STMicroelectronics

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STM32L15XQC Datasheet, PDF (37/134 Pages) STMicroelectronics – Ultra-low-power platform

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STM32L151xC/C-A STM32L152xC/C-A

Pin descriptions

Table 7. Legend/abbreviations used in the pinout table

Name

Abbreviation

Definition

Pin name

Pin type

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

during and after reset is the same as the actual pin name

Supply pin

Input only pin

I/O

I/O structure

Input / output pin

5 V tolerant I/O

Standard 3.3 V I/O

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

functions

Alternate

functions

Functions selected through GPIOx_AFR registers

Additional

functions

Functions directly selected/enabled through peripheral registers

Table 8. STM32L151xC/C-A and STM32L152xC/C-A pin definitions

Pins

Pin functions

Pin name

Main

function(2)

(after reset)

Alternate functions

Additional

functions

1 B2 1 - -

PE2

I/O FT

2 A1 2 - -

3 B1 3 - -

4 C2 4 - -

5 D2 5 - -

6 E2 6 1 C6

PE3

PE4

PE5

PE6-

WKUP3

VLCD(3)

I/O FT

S-

PE2

PE3

PE4

PE5

PE6

VLCD

TIM3_ETR/LCD_SEG38/

TRACECLK

TIM3_CH1/LCD_SEG39/

TRACED0

TIM3_CH2/TRACED1

TIM9_CH1/TRACED2

TIM9_CH2/TRACED3

WKUP3/

RTC_TAMP3

DocID026119 Rev 6

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