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Contents

Pinout
Key specifications
CAD (KiCad official)
Provenance

README

markdown

STM32L476VGT6

STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-100(14x14)

STM32L476VGT6 from STMicroelectronics, in a LQFP-100(14x14). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model, then checked against ST open pin data); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	PE2	bidirectional	FT_l I/O; alternate functions TRACECK, TIM3_ETR, TSC_G7_IO1, LCD_SEG38, FMC_A23, SAI1_MCLK_A, EVENTOUT.
2	PE3	bidirectional	FT_l I/O; alternate functions TRACED0, TIM3_CH1, TSC_G7_IO2, LCD_SEG39, FMC_A19, SAI1_SD_B, EVENTOUT.
3	PE4	bidirectional	FT I/O; alternate functions TRACED1, TIM3_CH2, DFSDM1_DATIN3, TSC_G7_IO3, FMC_A20, SAI1_FS_A, EVENTOUT.
4	PE5	bidirectional	FT I/O; alternate functions TRACED2, TIM3_CH3, DFSDM1_CKIN3, TSC_G7_IO4, FMC_A21, SAI1_SCK_A, EVENTOUT.
5	PE6	bidirectional	FT I/O; alternate functions TRACED3, TIM3_CH4, FMC_A22, SAI1_SD_A, EVENTOUT; additional function RTC_TAMP3/WKUP3.
6	VBAT	power_in	Backup supply for RTC and backup registers; operating range 1.55 V to 3.6 V.
7	PC13	bidirectional	FT I/O supplied through the power switch (sinks max 3 mA), so output use is limited to 2 MHz with 30 pF max load and no current-source use; additional functions RTC_TAMP1/RTC_TS/RTC_OUT/WKUP2.
8	PC14-OSC32_IN (PC14)	bidirectional	FT I/O supplied through the power switch (3 mA limit, 2 MHz / 30 pF max in output mode); additional function OSC32_IN for the 32.768 kHz LSE crystal.
9	PC15-OSC32_OUT (PC15)	bidirectional	FT I/O supplied through the power switch (3 mA limit, 2 MHz / 30 pF max in output mode); additional function OSC32_OUT for the 32.768 kHz LSE crystal.
10	VSS	power_in	Ground supply pin.
11	VDD	power_in	Main digital supply pin; standard operating range 1.71 V to 3.6 V.
12	PH0-OSC_IN (PH0)	bidirectional	FT I/O; additional function OSC_IN for the 4 to 48 MHz HSE crystal oscillator; alternate function EVENTOUT.
13	PH1-OSC_OUT (PH1)	bidirectional	FT I/O; additional function OSC_OUT for the 4 to 48 MHz HSE crystal oscillator; alternate function EVENTOUT.
14	NRST	bidirectional	Bidirectional reset pin with embedded weak pull-up resistor (25 to 55 kOhm, 40 kOhm typ).
15	PC0	bidirectional	FT_fla I/O; alternate functions LPTIM1_IN1, I2C3_SCL, DFSDM1_DATIN4, LPUART1_RX, LCD_SEG18, LPTIM2_IN1, EVENTOUT; analog ADC123_IN1.
16	PC1	bidirectional	FT_fla I/O; alternate functions LPTIM1_OUT, I2C3_SDA, DFSDM1_CKIN4, LPUART1_TX, LCD_SEG19, EVENTOUT; analog ADC123_IN2.
17	PC2	bidirectional	FT_la I/O; alternate functions LPTIM1_IN2, SPI2_MISO, DFSDM1_CKOUT, LCD_SEG20, EVENTOUT; analog ADC123_IN3.
18	PC3	bidirectional	FT_a I/O; alternate functions LPTIM1_ETR, SPI2_MOSI, LCD_VLCD, SAI1_SD_A, LPTIM2_ETR, EVENTOUT; analog ADC123_IN4.
19	VSSA	power_in	Analog ground supply pin.
20	VREF-	power_in	Negative ADC/DAC reference voltage input, connected to VSSA.
21	VREF+	power_in	Positive reference voltage pin; also VREFBUF_OUT; ADC VREF+ is 2 V to VDDA when VDDA is at least 2 V.
22	VDDA	power_in	Analog supply; 1.62 V min when ADC or COMP used, 1.8 V min for DAC or OPAMP, 2.4 V min for VREFBUF, 3.6 V max.
23	PA0	bidirectional	FT_a I/O; alternate functions TIM2_CH1, TIM5_CH1, TIM8_ETR, USART2_CTS, UART4_TX, SAI1_EXTCLK, TIM2_ETR, EVENTOUT; analog OPAMP1_VINP, ADC12_IN5, RTC_TAMP2/WKUP1.
24	PA1	bidirectional	FT_la I/O; alternate functions TIM2_CH2, TIM5_CH2, USART2_RTS_DE, UART4_RX, LCD_SEG0, TIM15_CH1N, EVENTOUT; analog OPAMP1_VINM, ADC12_IN6.
25	PA2	bidirectional	FT_la I/O; alternate functions TIM2_CH3, TIM5_CH3, USART2_TX, LCD_SEG1, SAI2_EXTCLK, TIM15_CH1, EVENTOUT; analog ADC12_IN7, WKUP4/LSCO.
26	PA3	bidirectional	TT_la I/O; alternate functions TIM2_CH4, TIM5_CH4, USART2_RX, LCD_SEG2, TIM15_CH2, EVENTOUT; analog OPAMP1_VOUT, ADC12_IN8.
27	VSS	power_in	Ground supply pin.
28	VDD	power_in	Main digital supply pin; standard operating range 1.71 V to 3.6 V.
29	PA4	bidirectional	TT_a I/O; alternate functions SPI1_NSS, SPI3_NSS, USART2_CK, SAI1_FS_B, LPTIM2_OUT, EVENTOUT; analog ADC12_IN9, DAC1_OUT1.
30	PA5	bidirectional	TT_a I/O; alternate functions TIM2_CH1, TIM2_ETR, TIM8_CH1N, SPI1_SCK, LPTIM2_ETR, EVENTOUT; analog ADC12_IN10, DAC1_OUT2.
31	PA6	bidirectional	FT_la I/O; alternate functions TIM1_BKIN, TIM3_CH1, TIM8_BKIN, SPI1_MISO, USART3_CTS, QUADSPI_BK1_IO3, LCD_SEG3, TIM16_CH1, EVENTOUT; analog OPAMP2_VINP, ADC12_IN11.
32	PA7	bidirectional	FT_la I/O; alternate functions TIM1_CH1N, TIM3_CH2, TIM8_CH1N, SPI1_MOSI, QUADSPI_BK1_IO2, LCD_SEG4, TIM17_CH1, EVENTOUT; analog OPAMP2_VINM, ADC12_IN12.
33	PC4	bidirectional	FT_la I/O; alternate functions USART3_TX, LCD_SEG22, EVENTOUT; analog COMP1_INM, ADC12_IN13.
34	PC5	bidirectional	FT_la I/O; alternate functions USART3_RX, LCD_SEG23, EVENTOUT; analog COMP1_INP, ADC12_IN14, WKUP5.
35	PB0	bidirectional	TT_la I/O; alternate functions TIM1_CH2N, TIM3_CH3, TIM8_CH2N, USART3_CK, QUADSPI_BK1_IO1, LCD_SEG5, COMP1_OUT, EVENTOUT; analog OPAMP2_VOUT, ADC12_IN15.
36	PB1	bidirectional	FT_la I/O; alternate functions TIM1_CH3N, TIM3_CH4, TIM8_CH3N, DFSDM1_DATIN0, USART3_RTS_DE, QUADSPI_BK1_IO0, LCD_SEG6, LPTIM2_IN1, EVENTOUT; analog COMP1_INM, ADC12_IN16.
37	PB2	bidirectional	FT_a I/O; alternate functions RTC_OUT, LPTIM1_OUT, I2C3_SMBA, DFSDM1_CKIN0, EVENTOUT; analog COMP1_INP.
38	PE7	bidirectional	FT I/O; alternate functions TIM1_ETR, DFSDM1_DATIN2, FMC_D4, SAI1_SD_B, EVENTOUT.
39	PE8	bidirectional	FT I/O; alternate functions TIM1_CH1N, DFSDM1_CKIN2, FMC_D5, SAI1_SCK_B, EVENTOUT.
40	PE9	bidirectional	FT I/O; alternate functions TIM1_CH1, DFSDM1_CKOUT, FMC_D6, SAI1_FS_B, EVENTOUT.
41	PE10	bidirectional	FT I/O; alternate functions TIM1_CH2N, DFSDM1_DATIN4, TSC_G5_IO1, QUADSPI_CLK, FMC_D7, SAI1_MCLK_B, EVENTOUT.
42	PE11	bidirectional	FT I/O; alternate functions TIM1_CH2, DFSDM1_CKIN4, TSC_G5_IO2, QUADSPI_NCS, FMC_D8, EVENTOUT.
43	PE12	bidirectional	FT I/O; alternate functions TIM1_CH3N, SPI1_NSS, DFSDM1_DATIN5, TSC_G5_IO3, QUADSPI_BK1_IO0, FMC_D9, EVENTOUT.
44	PE13	bidirectional	FT I/O; alternate functions TIM1_CH3, SPI1_SCK, DFSDM1_CKIN5, TSC_G5_IO4, QUADSPI_BK1_IO1, FMC_D10, EVENTOUT.
45	PE14	bidirectional	FT I/O; alternate functions TIM1_CH4, TIM1_BKIN2, TIM1_BKIN2_COMP2, SPI1_MISO, QUADSPI_BK1_IO2, FMC_D11, EVENTOUT.
46	PE15	bidirectional	FT I/O; alternate functions TIM1_BKIN, TIM1_BKIN_COMP1, SPI1_MOSI, QUADSPI_BK1_IO3, FMC_D12, EVENTOUT.
47	PB10	bidirectional	FT_fl I/O, Fm+ capable; alternate functions TIM2_CH3, I2C2_SCL, SPI2_SCK, DFSDM1_DATIN7, USART3_TX, LPUART1_RX, QUADSPI_CLK, LCD_SEG10, COMP1_OUT, SAI1_SCK_A, EVENTOUT.
48	PB11	bidirectional	FT_fl I/O, Fm+ capable; alternate functions TIM2_CH4, I2C2_SDA, DFSDM1_CKIN7, USART3_RX, LPUART1_TX, QUADSPI_NCS, LCD_SEG11, COMP2_OUT, EVENTOUT.
49	VSS	power_in	Ground supply pin.
50	VDD	power_in	Main digital supply pin; standard operating range 1.71 V to 3.6 V.
51	PB12	bidirectional	FT_l I/O; alternate functions TIM1_BKIN, I2C2_SMBA, SPI2_NSS, DFSDM1_DATIN1, USART3_CK, LPUART1_RTS_DE, TSC_G1_IO1, LCD_SEG12, SWPMI1_IO, SAI2_FS_A, TIM15_BKIN, EVENTOUT.
52	PB13	bidirectional	FT_fl I/O, Fm+ capable; alternate functions TIM1_CH1N, I2C2_SCL, SPI2_SCK, DFSDM1_CKIN1, USART3_CTS, LPUART1_CTS, TSC_G1_IO2, LCD_SEG13, SWPMI1_TX, SAI2_SCK_A, TIM15_CH1N, EVENTOUT.
53	PB14	bidirectional	FT_fl I/O, Fm+ capable; alternate functions TIM1_CH2N, TIM8_CH2N, I2C2_SDA, SPI2_MISO, DFSDM1_DATIN2, USART3_RTS_DE, TSC_G1_IO3, LCD_SEG14, SWPMI1_RX, SAI2_MCLK_A, TIM15_CH1, EVENTOUT.
54	PB15	bidirectional	FT_l I/O; alternate functions RTC_REFIN, TIM1_CH3N, TIM8_CH3N, SPI2_MOSI, DFSDM1_CKIN2, TSC_G1_IO4, LCD_SEG15, SWPMI1_SUSPEND, SAI2_SD_A, TIM15_CH2, EVENTOUT.
55	PD8	bidirectional	FT_l I/O; alternate functions USART3_TX, LCD_SEG28, FMC_D13, EVENTOUT.
56	PD9	bidirectional	FT_l I/O; alternate functions USART3_RX, LCD_SEG29, FMC_D14, SAI2_MCLK_A, EVENTOUT.
57	PD10	bidirectional	FT_l I/O; alternate functions USART3_CK, TSC_G6_IO1, LCD_SEG30, FMC_D15, SAI2_SCK_A, EVENTOUT.
58	PD11	bidirectional	FT_l I/O; alternate functions USART3_CTS, TSC_G6_IO2, LCD_SEG31, FMC_A16, SAI2_SD_A, LPTIM2_ETR, EVENTOUT.
59	PD12	bidirectional	FT_l I/O; alternate functions TIM4_CH1, USART3_RTS_DE, TSC_G6_IO3, LCD_SEG32, FMC_A17, SAI2_FS_A, LPTIM2_IN1, EVENTOUT.
60	PD13	bidirectional	FT_l I/O; alternate functions TIM4_CH2, TSC_G6_IO4, LCD_SEG33, FMC_A18, LPTIM2_OUT, EVENTOUT.
61	PD14	bidirectional	FT_l I/O; alternate functions TIM4_CH3, LCD_SEG34, FMC_D0, EVENTOUT.
62	PD15	bidirectional	FT_l I/O; alternate functions TIM4_CH4, LCD_SEG35, FMC_D1, EVENTOUT.
63	PC6	bidirectional	FT_l I/O; alternate functions TIM3_CH1, TIM8_CH1, DFSDM1_CKIN3, TSC_G4_IO1, LCD_SEG24, SDMMC1_D6, SAI2_MCLK_A, EVENTOUT.
64	PC7	bidirectional	FT_l I/O; alternate functions TIM3_CH2, TIM8_CH2, DFSDM1_DATIN3, TSC_G4_IO2, LCD_SEG25, SDMMC1_D7, SAI2_MCLK_B, EVENTOUT.
65	PC8	bidirectional	FT_l I/O; alternate functions TIM3_CH3, TIM8_CH3, TSC_G4_IO3, LCD_SEG26, SDMMC1_D0, EVENTOUT.
66	PC9	bidirectional	FT_l I/O; alternate functions TIM8_BKIN2, TIM3_CH4, TIM8_CH4, TSC_G4_IO4, OTG_FS_NOE, LCD_SEG27, SDMMC1_D1, SAI2_EXTCLK, TIM8_BKIN2_COMP1, EVENTOUT.
67	PA8	bidirectional	FT_l I/O; alternate functions MCO, TIM1_CH1, USART1_CK, OTG_FS_SOF, LCD_COM0, LPTIM2_OUT, EVENTOUT.
68	PA9	bidirectional	FT_lu I/O supplied by VDDUSB for USB function; alternate functions TIM1_CH2, USART1_TX, LCD_COM1, TIM15_BKIN, EVENTOUT; additional function OTG_FS_VBUS.
69	PA10	bidirectional	FT_lu I/O supplied by VDDUSB for USB function; alternate functions TIM1_CH3, USART1_RX, OTG_FS_ID, LCD_COM2, TIM17_BKIN, EVENTOUT.
70	PA11	bidirectional	FT_u I/O supplied by VDDUSB; alternate functions TIM1_CH4, TIM1_BKIN2, USART1_CTS, CAN1_RX, OTG_FS_DM (USB D-), TIM1_BKIN2_COMP1, EVENTOUT.
71	PA12	bidirectional	FT_u I/O supplied by VDDUSB; alternate functions TIM1_ETR, USART1_RTS_DE, CAN1_TX, OTG_FS_DP (USB D+), EVENTOUT.
72	PA13 (JTMS-SWDIO)	bidirectional	FT I/O configured after reset as JTMS-SWDIO debug pin with internal pull-up active; alternate functions IR_OUT, OTG_FS_NOE, EVENTOUT.
73	VDDUSB	power_in	USB supply; 3.0 V to 3.6 V when USB is used, 0 to 3.6 V when not used.
74	VSS	power_in	Ground supply pin.
75	VDD	power_in	Main digital supply pin; standard operating range 1.71 V to 3.6 V.
76	PA14 (JTCK-SWCLK)	bidirectional	FT I/O configured after reset as JTCK-SWCLK debug pin with internal pull-down active; alternate function EVENTOUT.
77	PA15 (JTDI)	bidirectional	FT_l I/O configured after reset as JTDI with internal pull-up active; alternate functions TIM2_CH1, TIM2_ETR, SPI1_NSS, SPI3_NSS, UART4_RTS_DE, TSC_G3_IO1, LCD_SEG17, SAI2_FS_B, EVENTOUT.
78	PC10	bidirectional	FT_l I/O; alternate functions SPI3_SCK, USART3_TX, UART4_TX, TSC_G3_IO2, LCD_COM4/LCD_SEG28/LCD_SEG40, SDMMC1_D2, SAI2_SCK_B, EVENTOUT.
79	PC11	bidirectional	FT_l I/O; alternate functions SPI3_MISO, USART3_RX, UART4_RX, TSC_G3_IO3, LCD_COM5/LCD_SEG29/LCD_SEG41, SDMMC1_D3, SAI2_MCLK_B, EVENTOUT.
80	PC12	bidirectional	FT_l I/O; alternate functions SPI3_MOSI, USART3_CK, UART5_TX, TSC_G3_IO4, LCD_COM6/LCD_SEG30/LCD_SEG42, SDMMC1_CK, SAI2_SD_B, EVENTOUT.
81	PD0	bidirectional	FT I/O; alternate functions SPI2_NSS, DFSDM1_DATIN7, CAN1_RX, FMC_D2, EVENTOUT.
82	PD1	bidirectional	FT I/O; alternate functions SPI2_SCK, DFSDM1_CKIN7, CAN1_TX, FMC_D3, EVENTOUT.
83	PD2	bidirectional	FT_l I/O; alternate functions TIM3_ETR, USART3_RTS_DE, UART5_RX, TSC_SYNC, LCD_COM7/LCD_SEG31/LCD_SEG43, SDMMC1_CMD, EVENTOUT.
84	PD3	bidirectional	FT I/O; alternate functions SPI2_MISO, DFSDM1_DATIN0, USART2_CTS, FMC_CLK, EVENTOUT.
85	PD4	bidirectional	FT I/O; alternate functions SPI2_MOSI, DFSDM1_CKIN0, USART2_RTS_DE, FMC_NOE, EVENTOUT.
86	PD5	bidirectional	FT I/O; alternate functions USART2_TX, FMC_NWE, EVENTOUT.
87	PD6	bidirectional	FT I/O; alternate functions DFSDM1_DATIN1, USART2_RX, FMC_NWAIT, SAI1_SD_A, EVENTOUT.
88	PD7	bidirectional	FT I/O; alternate functions DFSDM1_CKIN1, USART2_CK, FMC_NE1, EVENTOUT.
89	PB3 (JTDO-TRACESWO)	bidirectional	FT_la I/O configured after reset as JTDO-TRACESWO; alternate functions TIM2_CH2, SPI1_SCK, SPI3_SCK, USART1_RTS_DE, LCD_SEG7, SAI1_SCK_B, EVENTOUT; analog COMP2_INM.
90	PB4 (NJTRST)	bidirectional	FT_la I/O configured after reset as NJTRST with internal pull-up active; alternate functions TIM3_CH1, SPI1_MISO, SPI3_MISO, USART1_CTS, UART5_RTS_DE, TSC_G2_IO1, LCD_SEG8, SAI1_MCLK_B, TIM17_BKIN, EVENTOUT; analog COMP2_INP.
91	PB5	bidirectional	FT_la I/O; alternate functions LPTIM1_IN1, TIM3_CH2, I2C1_SMBA, SPI1_MOSI, SPI3_MOSI, USART1_CK, UART5_CTS, TSC_G2_IO2, LCD_SEG9, COMP2_OUT, SAI1_SD_B, TIM16_BKIN, EVENTOUT.
92	PB6	bidirectional	FT_fa I/O, Fm+ capable; alternate functions LPTIM1_ETR, TIM4_CH1, TIM8_BKIN2, I2C1_SCL, DFSDM1_DATIN5, USART1_TX, TSC_G2_IO3, TIM8_BKIN2_COMP2, SAI1_FS_B, TIM16_CH1N, EVENTOUT; analog COMP2_INP.
93	PB7	bidirectional	FT_fla I/O, Fm+ capable; alternate functions LPTIM1_IN2, TIM4_CH2, TIM8_BKIN, I2C1_SDA, DFSDM1_CKIN5, USART1_RX, UART4_CTS, TSC_G2_IO4, LCD_SEG21, FMC_NL, TIM17_CH1N, EVENTOUT; analog COMP2_INM, PVD_IN.
94	BOOT0	input	Dedicated boot mode selection input; input voltage range 0 to 9 V, VIL max 0.17xVDDIOx and VIH min 0.77xVDDIOx.
95	PB8	bidirectional	FT_fl I/O, Fm+ capable; alternate functions TIM4_CH3, I2C1_SCL, DFSDM1_DATIN6, CAN1_RX, LCD_SEG16, SDMMC1_D4, SAI1_MCLK_A, TIM16_CH1, EVENTOUT.
96	PB9	bidirectional	FT_fl I/O, Fm+ capable; alternate functions IR_OUT, TIM4_CH4, I2C1_SDA, SPI2_NSS, DFSDM1_CKIN6, CAN1_TX, LCD_COM3, SDMMC1_D5, SAI1_FS_A, TIM17_CH1, EVENTOUT.
97	PE0	bidirectional	FT_l I/O; alternate functions TIM4_ETR, LCD_SEG36, FMC_NBL0, TIM16_CH1, EVENTOUT.
98	PE1	bidirectional	FT_l I/O; alternate functions LCD_SEG37, FMC_NBL1, TIM17_CH1, EVENTOUT.
99	VSS	power_in	Ground supply pin.
100	VDD	power_in	Main digital supply pin; standard operating range 1.71 V to 3.6 V.

Key specifications

Parameter	Value
Manufacturer	STMicroelectronics
Package	LQFP-100(14x14)
Category	Embedded Processors & Controllers
Pins	100

CAD (KiCad official)

Symbol: STM32L476VGT6
Footprint: Package_QFP:LQFP-100_14x14mm_P0.5mm
3D model: LQFP-100(14x14) (KiCad packages3D, STEP)
3D model files: stm32l476vgt6-etched.step / stm32l476vgt6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32l476vgt6.step / stm32l476vgt6.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: STMicroelectronics datasheet (262 pp, sha256 6de7ca90cf648b18, retrieved 2026-10-05, tier: lcsc)
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF