Datasheet
DocID025936 Rev 8 45/143
STM32L052x6 STM32L052x8 Pin descriptions
50
----40D8 PC9 I/OFT-
TIM21_ETR,
USB_NOE,
TSC_G8_IO4
-
18 18 E1 29 41 D7 PA8 I/O FT -
MCO,
USB_CRS_SYNC,
EVENTOUT,
USART1_CK
-
19 19 D1 30 42 C7 PA9 I/O FT -
MCO, TSC_G4_IO1,
USART1_TX
-
20 20 C1 31 43 C6 PA10 I/O FT -
TSC_G4_IO2,
USART1_RX
-
21 21 C2 32 44 C8 PA11
(3)
I/O FT -
SPI1_MISO,
EVENTOUT,
TSC_G4_IO3,
USART1_CTS,
COMP1_OUT
USB_DM
22 22 B1 33 45 B8 PA12
(3)
I/O FT -
SPI1_MOSI,
EVENTOUT,
TSC_G4_IO4,
USART1_RTS_DE,
COMP2_OUT
USB_DP
23 23 A1 34 46 A8 PA13 I/O FT - SWDIO, USB_NOE -
- - - 35 47 D5 VSS S - - - -
- - - 36 48 E6 VDD_USB S - - - -
24 24 B2 37 49 A7 PA14 I/O FT - SWCLK, USART2_TX -
25 25 A2 38 50 A6 PA15 I/O FT -
SPI1_NSS,
TIM2_ETR,
EVENTOUT,
USART2_RX,
TIM2_CH1
-
- - - - 51 B7 PC10 I/O FT - LPUART1_TX -
- - - - 52 B6 PC11 I/O FT - LPUART1_RX -
- - - - 53 C5 PC12 I/O FT - - -
Table 16. STM32L052x6/8 pin definitions (continued)
Pin Number
Pin name
(function after
reset)
Pin type
I/O structure
Notes
Alternate functions
Additional
functions
LQFP32
UFQFN32
WLCSP36
(1)
LQFP48
LQFP64
TFBGA64
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