STM32L081CB datasheet(37/110 Pages) STMICROELECTRONICS

Part #	STM32L081CB

Description	Access line ultra-low-power 32-bit MCU ARM-based Cortex-M0, up to 192KB Flash, 20KB SRAM, 6KB EEPROM, ADC, AES

PDF	110 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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37 / 110 page

DocID027513 Rev 4

37/110

STM32L081xx

Pin descriptions

PB13

I/O FTf

SPI2_SCK/I2S2_CK,

MCO, LPUART1_CTS,

I2C2_SCL, TIM21_CH1

PB14

I/O FTf

SPI2_MISO/I2S2_MCK,

RTC_OUT,

LPUART1_RTS_DE,

I2C2_SDA, TIM21_CH2

PB15

I/O FT

SPI2_MOSI/I2S2_SD,

RTC_REFIN

PA8

I/O FTf

MCO, EVENTOUT,

USART1_CK,

I2C3_SCL

PA9

I/O FTf

MCO, USART1_TX,

I2C1_SCL, I2C3_SMBA

PA10

I/O FTf

USART1_RX,

I2C1_SDA

PA11

I/O FT

SPI1_MISO,

EVENTOUT,

USART1_CTS,

COMP1_OUT

PA12

I/O FT

SPI1_MOSI,

EVENTOUT,

USART1_RTS_DE,

COMP2_OUT

PA13

I/O FT

SWDIO, LPUART1_RX

VSS

VDDIO2

PA14

I/O FT

SWCLK, USART2_TX,

LPUART1_TX

PA15

I/O FT

SPI1_NSS, TIM2_ETR,

EVENTOUT,

USART2_RX,

TIM2_CH1,

USART4_RTS_DE

Table 14. STM32L081xxx pin definition (continued)

Pin number

Pin name

(function after

reset)

Note Alternate functions

Additional functions

STM32L081CB Datasheet(PDF) 37 Page - STMicroelectronics

STM32L081CB Datasheet(HTML) 37 Page - STMicroelectronics

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