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STM32L081CB Datasheet(PDF) 38 Page - 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
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32L081CB Datasheet(HTML) 38 Page - STMicroelectronics

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Pin descriptions
STM32L081xx
38/110
DocID027513 Rev 4
26
-
39
PB3
I/O FT
-
SPI1_SCK, TIM2_CH2,
EVENTOUT,
USART1_RTS_DE,
USART5_TX
COMP2_INM
27
26
40
PB4
I/O FTf
-
SPI1_MISO,
TIM3_CH1,
TIM22_CH1,
USART1_CTS,
USART5_RX,
I2C3_SDA
COMP2_INP
28
27
41
PB5
I/O FT
-
SPI1_MOSI,
LPTIM1_IN1,
I2C1_SMBA,
TIM3_CH2/TIM22_CH2,
USART1_CK,
USART5_CK/USART5_
RTS_DE
COMP2_INP
29
28
42
PB6
I/O FTf
-
USART1_TX,
I2C1_SCL,
LPTIM1_ETR,
COMP2_INP
30
29
43
PB7
I/O FTf
-
USART1_RX,
I2C1_SDA,
LPTIM1_IN2,
USART4_CTS
COMP2_INP,
VREF_PVD_IN
31
30
44
BOOT0
I
-
-
-
-
-
45
PB8
I/O FTf
-
I2C1_SCL
-
-
-
46
PB9
I/O FTf
-
EVENTOUT,
I2C1_SDA,
SPI2_NSS/I2S2_WS
-
32
31
47
VSS
S
-
-
-
-32
48
VDD
S
-
-
-
1. UFQFPN32 pinout differs from other STM32 devices except STM32L07xxx and STM32L8xxx.
Table 14. STM32L081xxx pin definition (continued)
Pin number
Pin name
(function after
reset)
Note Alternate functions
Additional functions



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