STM32L462CEU6 datasheet(65/198 Pages) STMICROELECTRONICS

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STM32L462CE STM32L462RE STM32L462VE

Pinouts and pin description

41 C5 57 C4 91

PB5

I/O

LPTIM1_IN1, TIM3_CH2,

CAN1_RX, I2C1_SMBA,

SPI1_MOSI, SPI3_MOSI,

USART1_CK,

TSC_G2_IO2,

COMP2_OUT, SAI1_SD_B,

TIM16_BKIN, EVENTOUT

42 B5 58 D3 92

PB6

I/O

FT_fa

LPTIM1_ETR, I2C1_SCL,

I2C4_SCL, USART1_TX,

CAN1_TX, TSC_G2_IO3,

SAI1_FS_B, TIM16_CH1N,

EVENTOUT

COMP2_INP

43 A5 59 C3 93

PB7

I/O

FT_fa

LPTIM1_IN2, I2C1_SDA,

I2C4_SDA, USART1_RX,

UART4_CTS,

TSC_G2_IO4, EVENTOUT

COMP2_INM, PVD_IN

44 B6 60 B4 94

PH3-

BOOT0

(BOOT0)

I/O

EVENTOUT

BOOT0

45 A6 61 B3 95

PB8

I/O

FT_f

I2C1_SCL, CAN1_RX,

SDMMC1_D4,

SAI1_MCLK_A,

TIM16_CH1, EVENTOUT

46 C6 62 A3 96

PB9

I/O

FT_f

IR_OUT, I2C1_SDA,

SPI2_NSS, CAN1_TX,

SDMMC1_D5, SAI1_FS_A,

EVENTOUT

----

PE0

I/O

TIM16_CH1, EVENTOUT

----

PE1

I/O

EVENTOUT

47 A7 63 D4 99

VSS

48 A8 64 E4 100 C4

VDD

1. PC13, PC14 and PC15 are supplied through the power switch. Since the switch only sinks a limited amount of current

(3 mA), the use of GPIOs PC13 to PC15 in output mode is limited:

- The speed should not exceed 2 MHz with a maximum load of 30 pF

- These GPIOs must not be used as current sources (e.g. to drive an LED).

2. After a Backup domain power-up, PC13, PC14 and PC15 operate as GPIOs. Their function then depends on the content of

the RTC registers which are not reset by the system reset. For details on how to manage these GPIOs, refer to the Backup

domain and RTC register descriptions in the RM0394 reference manual.

3. OPAMPx_VINM pins are not available as additional functions on pins PA1 and PA7 on UFBGA packages. On UFBGA

packages, use the OPAMPx_VINM dedicated pins available on M3 and M4 balls.

4. After reset, these pins are configured as JTAG/SW debug alternate functions, and the internal pull-up on PA15, PA13, PB4

pins and the internal pull-down on PA14 pin are activated.

Table 13. STM32L462xx pin definitions (continued)

Pin Number

Pin name

(function

after

reset)

Pin functions

Alternate functions

Additional functions

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