STM32L162VC datasheet(40/123 Pages) STMICROELECTRONICS

40 / 123 page

Pin descriptions

STM32L162VC, STM32L162RC

40/123

DocID022881 Rev 10

90 56

PB4

I/O FT

NJTRST

TIM3_CH1/SPI1_MISO/

SPI3_MISO/LCD_SEG8/

NJTRST

COMP2_INP

91 57

PB5

I/O FT

PB5

TIM3_CH2/I2C1_SMBA/

SPI1_MOSI/SPI3_MOSI/

I2S3_SD/LCD_SEG9

COMP2_INP

92 58

PB6

I/O FT

PB6

TIM4_CH1/I2C1_SCL/

USART1_TX

COMP2_INP

93 59

PB7

I/O FT

PB7

TIM4_CH2/I2C1_SDA/

USART1_RX

COMP2_INP/PVD_IN

94 60

BOOT0

95 61

PB8

I/O FT

PB8

TIM4_CH3/TIM10_CH1/

I2C1_SCL/LCD_SEG16

96 62

PB9

I/O FT

PB9

TIM4_CH4/ TIM11_CH1/

I2C1_SDA/LCD_COM3

PE0

I/O FT

PE0

TIM4_ETR/TIM10_CH1/

LCD_SEG36

PE1

I/O FT

PE1

TIM11_CH1/LCD_SEG37

99 63

VSS_3

S-

VSS_3

C4 100 64

VDD_3

S-

VDD_3

1. I = input, O = output, S = supply.

2. FT = 5 V tolerant.

3. Function availability depends on the chosen device.

4. Applicable to STM32L152xC devices only. In STM32L151xC devices, this pin should be connected to VDD.

5. The PC14 and PC15 I/Os are only configured as OSC32_IN/OSC32_OUT when the LSE oscillator is ON (by setting the

LSEON bit in the RCC_CSR register). The LSE oscillator pins OSC32_IN/OSC32_OUT can be used as general-purpose

PH0/PH1 I/Os, respectively, when the LSE oscillator is off (after reset, the LSE oscillator is off). The LSE has priority over

the GPIO function. For more details, refer to Using the OSC32_IN/OSC32_OUT pins as GPIO PC14/PC15 port pins

section in the STM32L151xx, STM32L152xx and STM32L162xx reference manual (RM0038).

6. The PH0 and PH1 I/Os are only configured as OSC_IN/OSC_OUT when the HSE oscillator is ON (by setting the HSEON

bit in the RCC_CR register). The HSE oscillator pins OSC_IN/OSC_OUT can be used as general-purpose PH0/PH1 I/Os,

respectively, when the HSE oscillator is off (after reset, the HSE oscillator is off). The HSE has priority over the GPIO

function.

Table 9. STM32L162xC pin definitions (continued)

Pins

Pin name

Main

function(3)

(after reset)

Pin functions

Alternate functions

Additional functions

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