STSPIN32G4 datasheet(12/48 Pages) STMICROELECTRONICS

12 / 48 page

Name

Type

Function(1)

PA0

I/O – TT_a

TIM2_CH1, USART2_CTS, COMP1_OUT, TIM8_BKIN, TIM8_ETR,

TIM2_ETR,

EVENTOUT, ADC12_IN1, COMP1_INM, COMP3_INP, RTC_TAMP2,

WKUP1

PA1

I/O – TT_a

RTC_REFIN, TIM2_CH2, USART2_RTS_DE, TIM15_CH1N, EVENTOUT,

ADC12_IN2, COMP1_INP, OPAMP1_VINP, OPAMP3_VINP

PA2

I/O – TT_a

TIM2_CH3, USART2_TX, COMP2_OUT, TIM15_CH1, LPUART1_TX,

UCPD1_FRSTX, EVENTOUT, ADC1_IN3, COMP2_INM, OPAMP1_VOUT,

WKUP4/LSCO

PA3

I/O – TT_a

TIM2_CH4, SAI1_CK1, USART2_RX, TIM15_CH2, LPUART1_RX,

SAI1_MCLK_A, EVENTOUT, ADC1_IN4, COMP2_INP, OPAMP1_VINM/

OPAMP1_VINP

PA4

I/O – TT_a

TIM3_CH2, SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_CK, SAI1_FS_B,

EVENTOUT, ADC2_IN17, DAC1_OUT1, COMP1_INM

PA5

I/O – TT_a

TIM2_CH1, TIM2_ETR, SPI1_SCK, UCPD1_FRSTX, EVENTOUT,

ADC2_IN13, DAC1_OUT2, COMP2_INM, OPAMP2_VINM

PA6

I/O – TT_a

TIM16_CH1, TIM3_CH1, TIM8_BKIN, SPI1_MISO, TIM1_BKIN,

COMP1_OUT, LPUART1_CTS, EVENTOUT, ADC2_IN3, OPAMP2_VOUT

PA7

I/O – TT_a

TIM17_CH1, TIM3_CH2, TIM8_CH1N, SPI1_MOSI, COMP2_OUT,

UCPD1_FRSTX, EVENTOUT, ADC2_IN4, COMP2_INP, OPAMP1_VINP,

OPAMP2_VINP

PC4

I/O - FT_fa

I2C2_SCL, USART1_TX, EVENTOUT, ADC2_IN5

PC5

I/O – TT_a

TIM15_BKIN, SAI1_D3, USART1_RX, EVENTOUT, ADC2_IN11,

OPAMP1_VINM, OPAMP2_VINM, WKUP5

PB0

I/O – TT_a

TIM3_CH3, TIM8_CH2N, UCPD1_FRSTX, EVENTOUT, ADC1_IN15,

COMP4_INP, OPAMP2_VINP, OPAMP3_VINP

PB1

I/O – TT_a

TIM3_CH4, TIM8_CH3N, COMP4_OUT, LPUART1_RTS_DE,

EVENTOUT, ADC1_IN12, COMP1_INP, OPAMP3_VOUT

PB2

I/O – TT_a

RTC_OUT2, LPTIM1_OUT, EVENTOUT, ADC2_IN12, COMP4_INM,

OPAMP3_VINM

VREF+

Power

MCU VREF+, VREFBUF_OUT

VDDA

Power

MCU analog supply voltage

PB10

I/O – TT_a

USART3_TX, LPUART1_RX, SAI1_SCK_A, EVENTOUT, OPAMP3_VINM

GLS1

Analog Out

Phase 1 low-side driver output

GLS2

Analog Out

Phase 2 low-side driver output

GLS3

Analog Out

Phase 3 low-side driver output

PGND

Power

Gate drivers power ground

Internally not connected

BOOT3

Power

Phase 3 bootstrap supply voltage

OUT3

Power

Phase 3 high-side (floating) common voltage

GHS3

Analog Out

Phase 3 high-side driver output

BOOT2

Power

Phase 2 bootstrap supply voltage

OUT2

Power

Phase 2 high-side (floating) common voltage

GHS2

Analog Out

Phase 2 high-side driver output

BOOT1

Power

Phase 1 bootstrap supply voltage

STSPIN32G4

Pin description

DS13630 - Rev 1

page 12/48

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