STM32L476ZGT6

STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-144(20x20)

STM32L476ZGT6 from STMicroelectronics, in a LQFP-144(20x20). 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; AF: TRACECK, TIM3_ETR, TSC_G7_IO1, LCD_SEG38, FMC_A23, SAI1_MCLK_A, EVENTOUT.
2	PE3	bidirectional	FT_l I/O; AF: TRACED0, TIM3_CH1, TSC_G7_IO2, LCD_SEG39, FMC_A19, SAI1_SD_B, EVENTOUT.
3	PE4	bidirectional	FT I/O; AF: TRACED1, TIM3_CH2, DFSDM1_DATIN3, TSC_G7_IO3, FMC_A20, SAI1_FS_A, EVENTOUT.
4	PE5	bidirectional	FT I/O; AF: TRACED2, TIM3_CH3, DFSDM1_CKIN3, TSC_G7_IO4, FMC_A21, SAI1_SCK_A, EVENTOUT.
5	PE6	bidirectional	FT I/O; AF: TRACED3, TIM3_CH4, FMC_A22, SAI1_SD_A, EVENTOUT; additional function RTC_TAMP3/WKUP3.
6	VBAT	power_in	Backup domain supply for RTC and backup registers, 1.55 V to 3.6 V.
7	PC13	bidirectional	FT I/O supplied through the power switch (max 3 mA sink, output speed ≤2 MHz with 30 pF max load, not a current source); additional functions RTC_TAMP1/RTC_TS/RTC_OUT/WKUP2.
8	PC14-OSC32_IN (PC14)	bidirectional	FT I/O supplied through the power switch (limited output, ≤2 MHz, 30 pF); LSE 32 kHz oscillator input OSC32_IN.
9	PC15-OSC32_OUT (PC15)	bidirectional	FT I/O supplied through the power switch (limited output, ≤2 MHz, 30 pF); LSE 32 kHz oscillator output OSC32_OUT.
10	PF0	bidirectional	FT_f I/O (Fm+ capable); AF: I2C2_SDA, FMC_A0, EVENTOUT.
11	PF1	bidirectional	FT_f I/O (Fm+ capable); AF: I2C2_SCL, FMC_A1, EVENTOUT.
12	PF2	bidirectional	FT I/O; AF: I2C2_SMBA, FMC_A2, EVENTOUT.
13	PF3	bidirectional	FT_a I/O; AF: FMC_A3, EVENTOUT; additional function ADC3_IN6.
14	PF4	bidirectional	FT_a I/O; AF: FMC_A4, EVENTOUT; additional function ADC3_IN7.
15	PF5	bidirectional	FT_a I/O; AF: FMC_A5, EVENTOUT; additional function ADC3_IN8.
16	VSS	power_in	Digital ground supply pin.
17	VDD	power_in	Main digital supply pin, 1.71 V to 3.6 V.
18	PF6	bidirectional	FT_a I/O; AF: TIM5_ETR, TIM5_CH1, SAI1_SD_B, EVENTOUT; additional function ADC3_IN9.
19	PF7	bidirectional	FT_a I/O; AF: TIM5_CH2, SAI1_MCLK_B, EVENTOUT; additional function ADC3_IN10.
20	PF8	bidirectional	FT_a I/O; AF: TIM5_CH3, SAI1_SCK_B, EVENTOUT; additional function ADC3_IN11.
21	PF9	bidirectional	FT_a I/O; AF: TIM5_CH4, SAI1_FS_B, TIM15_CH1, EVENTOUT; additional function ADC3_IN12.
22	PF10	bidirectional	FT_a I/O; AF: TIM15_CH2, EVENTOUT; additional function ADC3_IN13.
23	PH0-OSC_IN (PH0)	bidirectional	FT I/O; HSE oscillator input OSC_IN (4 to 48 MHz crystal), EVENTOUT.
24	PH1-OSC_OUT (PH1)	bidirectional	FT I/O; HSE oscillator output OSC_OUT, EVENTOUT.
25	NRST	bidirectional	Bidirectional reset pin with embedded weak pull-up resistor.
26	PC0	bidirectional	FT_fla I/O; AF: LPTIM1_IN1, I2C3_SCL, DFSDM1_DATIN4, LPUART1_RX, LCD_SEG18, LPTIM2_IN1, EVENTOUT; additional function ADC123_IN1.
27	PC1	bidirectional	FT_fla I/O; AF: LPTIM1_OUT, I2C3_SDA, DFSDM1_CKIN4, LPUART1_TX, LCD_SEG19, EVENTOUT; additional function ADC123_IN2.
28	PC2	bidirectional	FT_la I/O; AF: LPTIM1_IN2, SPI2_MISO, DFSDM1_CKOUT, LCD_SEG20, EVENTOUT; additional function ADC123_IN3.
29	PC3	bidirectional	FT_a I/O; AF: LPTIM1_ETR, SPI2_MOSI, LCD_VLCD, SAI1_SD_A, LPTIM2_ETR, EVENTOUT; additional function ADC123_IN4.
30	VSSA	power_in	Analog ground supply pin.
31	VREF-	power_in	Negative ADC/DAC reference voltage input.
32	VREF+	power_in	Positive reference voltage supply; also VREFBUF_OUT additional function (VREFBUF requires VDDA ≥ 2.4 V).
33	VDDA	power_in	Analog supply, 1.62 V min with ADC/COMP, 1.8 V min with DAC/OPAMP, 2.4 V min with VREFBUF, up to 3.6 V.
34	PA0	bidirectional	FT_a I/O; AF: TIM2_CH1, TIM5_CH1, TIM8_ETR, USART2_CTS, UART4_TX, SAI1_EXTCLK, TIM2_ETR, EVENTOUT; additional: OPAMP1_VINP, ADC12_IN5, RTC_TAMP2/WKUP1.
35	PA1	bidirectional	FT_la I/O; AF: TIM2_CH2, TIM5_CH2, USART2_RTS_DE, UART4_RX, LCD_SEG0, TIM15_CH1N, EVENTOUT; additional: OPAMP1_VINM, ADC12_IN6.
36	PA2	bidirectional	FT_la I/O; AF: TIM2_CH3, TIM5_CH3, USART2_TX, LCD_SEG1, SAI2_EXTCLK, TIM15_CH1, EVENTOUT; additional: ADC12_IN7, WKUP4/LSCO.
37	PA3	bidirectional	TT_la I/O; AF: TIM2_CH4, TIM5_CH4, USART2_RX, LCD_SEG2, TIM15_CH2, EVENTOUT; additional: OPAMP1_VOUT, ADC12_IN8.
38	VSS	power_in	Digital ground supply pin.
39	VDD	power_in	Main digital supply pin, 1.71 V to 3.6 V.
40	PA4	bidirectional	TT_a I/O; AF: SPI1_NSS, SPI3_NSS, USART2_CK, SAI1_FS_B, LPTIM2_OUT, EVENTOUT; additional: ADC12_IN9, DAC1_OUT1.
41	PA5	bidirectional	TT_a I/O; AF: TIM2_CH1, TIM2_ETR, TIM8_CH1N, SPI1_SCK, LPTIM2_ETR, EVENTOUT; additional: ADC12_IN10, DAC1_OUT2.
42	PA6	bidirectional	FT_la I/O; AF: TIM1_BKIN, TIM3_CH1, TIM8_BKIN, SPI1_MISO, USART3_CTS, QUADSPI_BK1_IO3, LCD_SEG3, TIM16_CH1, EVENTOUT; additional: OPAMP2_VINP, ADC12_IN11.
43	PA7	bidirectional	FT_la I/O; AF: TIM1_CH1N, TIM3_CH2, TIM8_CH1N, SPI1_MOSI, QUADSPI_BK1_IO2, LCD_SEG4, TIM17_CH1, EVENTOUT; additional: OPAMP2_VINM, ADC12_IN12.
44	PC4	bidirectional	FT_la I/O; AF: USART3_TX, LCD_SEG22, EVENTOUT; additional: COMP1_INM, ADC12_IN13.
45	PC5	bidirectional	FT_la I/O; AF: USART3_RX, LCD_SEG23, EVENTOUT; additional: COMP1_INP, ADC12_IN14, WKUP5.
46	PB0	bidirectional	TT_la I/O; AF: TIM1_CH2N, TIM3_CH3, TIM8_CH2N, USART3_CK, QUADSPI_BK1_IO1, LCD_SEG5, COMP1_OUT, EVENTOUT; additional: OPAMP2_VOUT, ADC12_IN15.
47	PB1	bidirectional	FT_la I/O; AF: TIM1_CH3N, TIM3_CH4, TIM8_CH3N, DFSDM1_DATIN0, USART3_RTS_DE, QUADSPI_BK1_IO0, LCD_SEG6, LPTIM2_IN1, EVENTOUT; additional: COMP1_INM, ADC12_IN16.
48	PB2	bidirectional	FT_a I/O; AF: RTC_OUT, LPTIM1_OUT, I2C3_SMBA, DFSDM1_CKIN0, EVENTOUT; additional: COMP1_INP.
49	PF11	bidirectional	FT I/O; AF: EVENTOUT.
50	PF12	bidirectional	FT I/O; AF: FMC_A6, EVENTOUT.
51	VSS	power_in	Digital ground supply pin.
52	VDD	power_in	Main digital supply pin, 1.71 V to 3.6 V.
53	PF13	bidirectional	FT I/O; AF: DFSDM1_DATIN6, FMC_A7, EVENTOUT.
54	PF14	bidirectional	FT I/O; AF: DFSDM1_CKIN6, TSC_G8_IO1, FMC_A8, EVENTOUT.
55	PF15	bidirectional	FT I/O; AF: TSC_G8_IO2, FMC_A9, EVENTOUT.
56	PG0	bidirectional	FT I/O; AF: TSC_G8_IO3, FMC_A10, EVENTOUT.
57	PG1	bidirectional	FT I/O; AF: TSC_G8_IO4, FMC_A11, EVENTOUT.
58	PE7	bidirectional	FT I/O; AF: TIM1_ETR, DFSDM1_DATIN2, FMC_D4, SAI1_SD_B, EVENTOUT.
59	PE8	bidirectional	FT I/O; AF: TIM1_CH1N, DFSDM1_CKIN2, FMC_D5, SAI1_SCK_B, EVENTOUT.
60	PE9	bidirectional	FT I/O; AF: TIM1_CH1, DFSDM1_CKOUT, FMC_D6, SAI1_FS_B, EVENTOUT.
61	VSS	power_in	Digital ground supply pin.
62	VDD	power_in	Main digital supply pin, 1.71 V to 3.6 V.
63	PE10	bidirectional	FT I/O; AF: TIM1_CH2N, DFSDM1_DATIN4, TSC_G5_IO1, QUADSPI_CLK, FMC_D7, SAI1_MCLK_B, EVENTOUT.
64	PE11	bidirectional	FT I/O; AF: TIM1_CH2, DFSDM1_CKIN4, TSC_G5_IO2, QUADSPI_NCS, FMC_D8, EVENTOUT.
65	PE12	bidirectional	FT I/O; AF: TIM1_CH3N, SPI1_NSS, DFSDM1_DATIN5, TSC_G5_IO3, QUADSPI_BK1_IO0, FMC_D9, EVENTOUT.
66	PE13	bidirectional	FT I/O; AF: TIM1_CH3, SPI1_SCK, DFSDM1_CKIN5, TSC_G5_IO4, QUADSPI_BK1_IO1, FMC_D10, EVENTOUT.
67	PE14	bidirectional	FT I/O; AF: TIM1_CH4, TIM1_BKIN2, TIM1_BKIN2_COMP2, SPI1_MISO, QUADSPI_BK1_IO2, FMC_D11, EVENTOUT.
68	PE15	bidirectional	FT I/O; AF: TIM1_BKIN, TIM1_BKIN_COMP1, SPI1_MOSI, QUADSPI_BK1_IO3, FMC_D12, EVENTOUT.
69	PB10	bidirectional	FT_fl I/O (Fm+); AF: TIM2_CH3, I2C2_SCL, SPI2_SCK, DFSDM1_DATIN7, USART3_TX, LPUART1_RX, QUADSPI_CLK, LCD_SEG10, COMP1_OUT, SAI1_SCK_A, EVENTOUT.
70	PB11	bidirectional	FT_fl I/O (Fm+); AF: TIM2_CH4, I2C2_SDA, DFSDM1_CKIN7, USART3_RX, LPUART1_TX, QUADSPI_NCS, LCD_SEG11, COMP2_OUT, EVENTOUT.
71	VSS	power_in	Digital ground supply pin.
72	VDD	power_in	Main digital supply pin, 1.71 V to 3.6 V.
73	PB12	bidirectional	FT_l I/O; AF: 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.
74	PB13	bidirectional	FT_fl I/O (Fm+); AF: 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.
75	PB14	bidirectional	FT_fl I/O (Fm+); AF: 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.
76	PB15	bidirectional	FT_l I/O; AF: RTC_REFIN, TIM1_CH3N, TIM8_CH3N, SPI2_MOSI, DFSDM1_CKIN2, TSC_G1_IO4, LCD_SEG15, SWPMI1_SUSPEND, SAI2_SD_A, TIM15_CH2, EVENTOUT.
77	PD8	bidirectional	FT_l I/O; AF: USART3_TX, LCD_SEG28, FMC_D13, EVENTOUT.
78	PD9	bidirectional	FT_l I/O; AF: USART3_RX, LCD_SEG29, FMC_D14, SAI2_MCLK_A, EVENTOUT.
79	PD10	bidirectional	FT_l I/O; AF: USART3_CK, TSC_G6_IO1, LCD_SEG30, FMC_D15, SAI2_SCK_A, EVENTOUT.
80	PD11	bidirectional	FT_l I/O; AF: USART3_CTS, TSC_G6_IO2, LCD_SEG31, FMC_A16, SAI2_SD_A, LPTIM2_ETR, EVENTOUT.
81	PD12	bidirectional	FT_l I/O; AF: TIM4_CH1, USART3_RTS_DE, TSC_G6_IO3, LCD_SEG32, FMC_A17, SAI2_FS_A, LPTIM2_IN1, EVENTOUT.
82	PD13	bidirectional	FT_l I/O; AF: TIM4_CH2, TSC_G6_IO4, LCD_SEG33, FMC_A18, LPTIM2_OUT, EVENTOUT.
83	VSS	power_in	Digital ground supply pin.
84	VDD	power_in	Main digital supply pin, 1.71 V to 3.6 V.
85	PD14	bidirectional	FT_l I/O; AF: TIM4_CH3, LCD_SEG34, FMC_D0, EVENTOUT.
86	PD15	bidirectional	FT_l I/O; AF: TIM4_CH4, LCD_SEG35, FMC_D1, EVENTOUT.
87	PG2	bidirectional	FT_s I/O supplied by VDDIO2; AF: SPI1_SCK, FMC_A12, SAI2_SCK_B, EVENTOUT.
88	PG3	bidirectional	FT_s I/O supplied by VDDIO2; AF: SPI1_MISO, FMC_A13, SAI2_FS_B, EVENTOUT.
89	PG4	bidirectional	FT_s I/O supplied by VDDIO2; AF: SPI1_MOSI, FMC_A14, SAI2_MCLK_B, EVENTOUT.
90	PG5	bidirectional	FT_s I/O supplied by VDDIO2; AF: SPI1_NSS, LPUART1_CTS, FMC_A15, SAI2_SD_B, EVENTOUT.
91	PG6	bidirectional	FT_s I/O supplied by VDDIO2; AF: I2C3_SMBA, LPUART1_RTS_DE, EVENTOUT.
92	PG7	bidirectional	FT_fs I/O (Fm+) supplied by VDDIO2; AF: I2C3_SCL, LPUART1_TX, FMC_INT, EVENTOUT.
93	PG8	bidirectional	FT_fs I/O (Fm+) supplied by VDDIO2; AF: I2C3_SDA, LPUART1_RX, EVENTOUT.
94	VSS	power_in	Digital ground supply pin.
95	VDDIO2	power_in	Supply for PG[15:2] I/Os, 1.08 V to 3.6 V when at least one is used, 0 to 3.6 V when unused.
96	PC6	bidirectional	FT_l I/O; AF: TIM3_CH1, TIM8_CH1, DFSDM1_CKIN3, TSC_G4_IO1, LCD_SEG24, SDMMC1_D6, SAI2_MCLK_A, EVENTOUT.
97	PC7	bidirectional	FT_l I/O; AF: TIM3_CH2, TIM8_CH2, DFSDM1_DATIN3, TSC_G4_IO2, LCD_SEG25, SDMMC1_D7, SAI2_MCLK_B, EVENTOUT.
98	PC8	bidirectional	FT_l I/O; AF: TIM3_CH3, TIM8_CH3, TSC_G4_IO3, LCD_SEG26, SDMMC1_D0, EVENTOUT.
99	PC9	bidirectional	FT_l I/O; AF: TIM8_BKIN2, TIM3_CH4, TIM8_CH4, TSC_G4_IO4, OTG_FS_NOE, LCD_SEG27, SDMMC1_D1, SAI2_EXTCLK, TIM8_BKIN2_COMP1, EVENTOUT.
100	PA8	bidirectional	FT_l I/O; AF: MCO, TIM1_CH1, USART1_CK, OTG_FS_SOF, LCD_COM0, LPTIM2_OUT, EVENTOUT.
101	PA9	bidirectional	FT_lu I/O; AF: TIM1_CH2, USART1_TX, LCD_COM1, TIM15_BKIN, EVENTOUT; additional function OTG_FS_VBUS.
102	PA10	bidirectional	FT_lu I/O; AF: TIM1_CH3, USART1_RX, OTG_FS_ID, LCD_COM2, TIM17_BKIN, EVENTOUT.
103	PA11	bidirectional	FT_u I/O; AF: TIM1_CH4, TIM1_BKIN2, USART1_CTS, CAN1_RX, OTG_FS_DM, TIM1_BKIN2_COMP1, EVENTOUT.
104	PA12	bidirectional	FT_u I/O; AF: TIM1_ETR, USART1_RTS_DE, CAN1_TX, OTG_FS_DP, EVENTOUT.
105	PA13 (JTMS-SWDIO)	bidirectional	FT I/O; JTMS-SWDIO after reset with internal pull-up active; AF: IR_OUT, OTG_FS_NOE, EVENTOUT.
106	VDDUSB	power_in	USB supply, 3.0 V to 3.6 V when USB is used, 0 to 3.6 V when unused.
107	VSS	power_in	Digital ground supply pin.
108	VDD	power_in	Main digital supply pin, 1.71 V to 3.6 V.
109	PA14 (JTCK-SWCLK)	bidirectional	FT I/O; JTCK-SWCLK after reset with internal pull-down active; AF: EVENTOUT.
110	PA15 (JTDI)	bidirectional	FT_l I/O; JTDI after reset with internal pull-up active; AF: TIM2_CH1, TIM2_ETR, SPI1_NSS, SPI3_NSS, UART4_RTS_DE, TSC_G3_IO1, LCD_SEG17, SAI2_FS_B, EVENTOUT.
111	PC10	bidirectional	FT_l I/O; AF: SPI3_SCK, USART3_TX, UART4_TX, TSC_G3_IO2, LCD_COM4/LCD_SEG28/LCD_SEG40, SDMMC1_D2, SAI2_SCK_B, EVENTOUT.
112	PC11	bidirectional	FT_l I/O; AF: SPI3_MISO, USART3_RX, UART4_RX, TSC_G3_IO3, LCD_COM5/LCD_SEG29/LCD_SEG41, SDMMC1_D3, SAI2_MCLK_B, EVENTOUT.
113	PC12	bidirectional	FT_l I/O; AF: SPI3_MOSI, USART3_CK, UART5_TX, TSC_G3_IO4, LCD_COM6/LCD_SEG30/LCD_SEG42, SDMMC1_CK, SAI2_SD_B, EVENTOUT.
114	PD0	bidirectional	FT I/O; AF: SPI2_NSS, DFSDM1_DATIN7, CAN1_RX, FMC_D2, EVENTOUT.
115	PD1	bidirectional	FT I/O; AF: SPI2_SCK, DFSDM1_CKIN7, CAN1_TX, FMC_D3, EVENTOUT.
116	PD2	bidirectional	FT_l I/O; AF: TIM3_ETR, USART3_RTS_DE, UART5_RX, TSC_SYNC, LCD_COM7/LCD_SEG31/LCD_SEG43, SDMMC1_CMD, EVENTOUT.
117	PD3	bidirectional	FT I/O; AF: SPI2_MISO, DFSDM1_DATIN0, USART2_CTS, FMC_CLK, EVENTOUT.
118	PD4	bidirectional	FT I/O; AF: SPI2_MOSI, DFSDM1_CKIN0, USART2_RTS_DE, FMC_NOE, EVENTOUT.
119	PD5	bidirectional	FT I/O; AF: USART2_TX, FMC_NWE, EVENTOUT.
120	VSS	power_in	Digital ground supply pin.
121	VDD	power_in	Main digital supply pin, 1.71 V to 3.6 V.
122	PD6	bidirectional	FT I/O; AF: DFSDM1_DATIN1, USART2_RX, FMC_NWAIT, SAI1_SD_A, EVENTOUT.
123	PD7	bidirectional	FT I/O; AF: DFSDM1_CKIN1, USART2_CK, FMC_NE1, EVENTOUT.
124	PG9	bidirectional	FT_s I/O supplied by VDDIO2; AF: SPI3_SCK, USART1_TX, FMC_NCE/FMC_NE2, SAI2_SCK_A, TIM15_CH1N, EVENTOUT.
125	PG10	bidirectional	FT_s I/O supplied by VDDIO2; AF: LPTIM1_IN1, SPI3_MISO, USART1_RX, FMC_NE3, SAI2_FS_A, TIM15_CH1, EVENTOUT.
126	PG11	bidirectional	FT_s I/O supplied by VDDIO2; AF: LPTIM1_IN2, SPI3_MOSI, USART1_CTS, SAI2_MCLK_A, TIM15_CH2, EVENTOUT.
127	PG12	bidirectional	FT_s I/O supplied by VDDIO2; AF: LPTIM1_ETR, SPI3_NSS, USART1_RTS_DE, FMC_NE4, SAI2_SD_A, EVENTOUT.
128	PG13	bidirectional	FT_fs I/O (Fm+) supplied by VDDIO2; AF: I2C1_SDA, USART1_CK, FMC_A24, EVENTOUT.
129	PG14	bidirectional	FT_fs I/O (Fm+) supplied by VDDIO2; AF: I2C1_SCL, FMC_A25, EVENTOUT.
130	VSS	power_in	Digital ground supply pin.
131	VDDIO2	power_in	Supply for PG[15:2] I/Os, 1.08 V to 3.6 V when at least one is used, 0 to 3.6 V when unused.
132	PG15	bidirectional	FT_s I/O supplied by VDDIO2; AF: LPTIM1_OUT, I2C1_SMBA, EVENTOUT.
133	PB3 (JTDO-TRACESWO)	bidirectional	FT_la I/O; JTDO-TRACESWO after reset; AF: TIM2_CH2, SPI1_SCK, SPI3_SCK, USART1_RTS_DE, LCD_SEG7, SAI1_SCK_B, EVENTOUT; additional: COMP2_INM.
134	PB4 (NJTRST)	bidirectional	FT_la I/O; NJTRST after reset with internal pull-up active; AF: TIM3_CH1, SPI1_MISO, SPI3_MISO, USART1_CTS, UART5_RTS_DE, TSC_G2_IO1, LCD_SEG8, SAI1_MCLK_B, TIM17_BKIN, EVENTOUT; additional: COMP2_INP.
135	PB5	bidirectional	FT_la I/O; AF: 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.
136	PB6	bidirectional	FT_fa I/O (Fm+); AF: LPTIM1_ETR, TIM4_CH1, TIM8_BKIN2, I2C1_SCL, DFSDM1_DATIN5, USART1_TX, TSC_G2_IO3, TIM8_BKIN2_COMP2, SAI1_FS_B, TIM16_CH1N, EVENTOUT; additional: COMP2_INP.
137	PB7	bidirectional	FT_fla I/O (Fm+); AF: LPTIM1_IN2, TIM4_CH2, TIM8_BKIN, I2C1_SDA, DFSDM1_CKIN5, USART1_RX, UART4_CTS, TSC_G2_IO4, LCD_SEG21, FMC_NL, TIM17_CH1N, EVENTOUT; additional: COMP2_INM, PVD_IN.
138	BOOT0	input	Dedicated boot mode selection input; input voltage 0 to 9 V.
139	PB8	bidirectional	FT_fl I/O (Fm+); AF: TIM4_CH3, I2C1_SCL, DFSDM1_DATIN6, CAN1_RX, LCD_SEG16, SDMMC1_D4, SAI1_MCLK_A, TIM16_CH1, EVENTOUT.
140	PB9	bidirectional	FT_fl I/O (Fm+); AF: IR_OUT, TIM4_CH4, I2C1_SDA, SPI2_NSS, DFSDM1_CKIN6, CAN1_TX, LCD_COM3, SDMMC1_D5, SAI1_FS_A, TIM17_CH1, EVENTOUT.
141	PE0	bidirectional	FT_l I/O; AF: TIM4_ETR, LCD_SEG36, FMC_NBL0, TIM16_CH1, EVENTOUT.
142	PE1	bidirectional	FT_l I/O; AF: LCD_SEG37, FMC_NBL1, TIM17_CH1, EVENTOUT.
143	VSS	power_in	Digital ground supply pin.
144	VDD	power_in	Main digital supply pin, 1.71 V to 3.6 V.

Key specifications

Parameter	Value
Manufacturer	STMicroelectronics
Package	LQFP-144(20x20)
Category	Embedded Processors & Controllers
Pins	144

CAD (KiCad official)

Symbol: STM32L476ZGT6
Footprint: Package_QFP:LQFP-144_20x20mm_P0.5mm
3D model: LQFP-144(20x20) (KiCad packages3D, STEP)
3D model files: stm32l476zgt6-etched.step / stm32l476zgt6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32l476zgt6.step / stm32l476zgt6.glb are the bare package body.

Provenance

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

Datasheet: STMicroelectronics datasheet (270 pp, sha256 241f8f908b7f839d, retrieved 2026-10-01, 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

# STM32L476ZGT6

**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · LQFP-144(20x20)

STM32L476ZGT6 from STMicroelectronics, in a LQFP-144(20x20). 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; AF: TRACECK, TIM3_ETR, TSC_G7_IO1, LCD_SEG38, FMC_A23, SAI1_MCLK_A, EVENTOUT. |
| 2 | PE3 | bidirectional | FT_l I/O; AF: TRACED0, TIM3_CH1, TSC_G7_IO2, LCD_SEG39, FMC_A19, SAI1_SD_B, EVENTOUT. |
| 3 | PE4 | bidirectional | FT I/O; AF: TRACED1, TIM3_CH2, DFSDM1_DATIN3, TSC_G7_IO3, FMC_A20, SAI1_FS_A, EVENTOUT. |
| 4 | PE5 | bidirectional | FT I/O; AF: TRACED2, TIM3_CH3, DFSDM1_CKIN3, TSC_G7_IO4, FMC_A21, SAI1_SCK_A, EVENTOUT. |
| 5 | PE6 | bidirectional | FT I/O; AF: TRACED3, TIM3_CH4, FMC_A22, SAI1_SD_A, EVENTOUT; additional function RTC_TAMP3/WKUP3. |
| 6 | VBAT | power_in | Backup domain supply for RTC and backup registers, 1.55 V to 3.6 V. |
| 7 | PC13 | bidirectional | FT I/O supplied through the power switch (max 3 mA sink, output speed ≤2 MHz with 30 pF max load, not a current source); additional functions RTC_TAMP1/RTC_TS/RTC_OUT/WKUP2. |
| 8 | PC14-OSC32_IN (PC14) | bidirectional | FT I/O supplied through the power switch (limited output, ≤2 MHz, 30 pF); LSE 32 kHz oscillator input OSC32_IN. |
| 9 | PC15-OSC32_OUT (PC15) | bidirectional | FT I/O supplied through the power switch (limited output, ≤2 MHz, 30 pF); LSE 32 kHz oscillator output OSC32_OUT. |
| 10 | PF0 | bidirectional | FT_f I/O (Fm+ capable); AF: I2C2_SDA, FMC_A0, EVENTOUT. |
| 11 | PF1 | bidirectional | FT_f I/O (Fm+ capable); AF: I2C2_SCL, FMC_A1, EVENTOUT. |
| 12 | PF2 | bidirectional | FT I/O; AF: I2C2_SMBA, FMC_A2, EVENTOUT. |
| 13 | PF3 | bidirectional | FT_a I/O; AF: FMC_A3, EVENTOUT; additional function ADC3_IN6. |
| 14 | PF4 | bidirectional | FT_a I/O; AF: FMC_A4, EVENTOUT; additional function ADC3_IN7. |
| 15 | PF5 | bidirectional | FT_a I/O; AF: FMC_A5, EVENTOUT; additional function ADC3_IN8. |
| 16 | VSS | power_in | Digital ground supply pin. |
| 17 | VDD | power_in | Main digital supply pin, 1.71 V to 3.6 V. |
| 18 | PF6 | bidirectional | FT_a I/O; AF: TIM5_ETR, TIM5_CH1, SAI1_SD_B, EVENTOUT; additional function ADC3_IN9. |
| 19 | PF7 | bidirectional | FT_a I/O; AF: TIM5_CH2, SAI1_MCLK_B, EVENTOUT; additional function ADC3_IN10. |
| 20 | PF8 | bidirectional | FT_a I/O; AF: TIM5_CH3, SAI1_SCK_B, EVENTOUT; additional function ADC3_IN11. |
| 21 | PF9 | bidirectional | FT_a I/O; AF: TIM5_CH4, SAI1_FS_B, TIM15_CH1, EVENTOUT; additional function ADC3_IN12. |
| 22 | PF10 | bidirectional | FT_a I/O; AF: TIM15_CH2, EVENTOUT; additional function ADC3_IN13. |
| 23 | PH0-OSC_IN (PH0) | bidirectional | FT I/O; HSE oscillator input OSC_IN (4 to 48 MHz crystal), EVENTOUT. |
| 24 | PH1-OSC_OUT (PH1) | bidirectional | FT I/O; HSE oscillator output OSC_OUT, EVENTOUT. |
| 25 | NRST | bidirectional | Bidirectional reset pin with embedded weak pull-up resistor. |
| 26 | PC0 | bidirectional | FT_fla I/O; AF: LPTIM1_IN1, I2C3_SCL, DFSDM1_DATIN4, LPUART1_RX, LCD_SEG18, LPTIM2_IN1, EVENTOUT; additional function ADC123_IN1. |
| 27 | PC1 | bidirectional | FT_fla I/O; AF: LPTIM1_OUT, I2C3_SDA, DFSDM1_CKIN4, LPUART1_TX, LCD_SEG19, EVENTOUT; additional function ADC123_IN2. |
| 28 | PC2 | bidirectional | FT_la I/O; AF: LPTIM1_IN2, SPI2_MISO, DFSDM1_CKOUT, LCD_SEG20, EVENTOUT; additional function ADC123_IN3. |
| 29 | PC3 | bidirectional | FT_a I/O; AF: LPTIM1_ETR, SPI2_MOSI, LCD_VLCD, SAI1_SD_A, LPTIM2_ETR, EVENTOUT; additional function ADC123_IN4. |
| 30 | VSSA | power_in | Analog ground supply pin. |
| 31 | VREF- | power_in | Negative ADC/DAC reference voltage input. |
| 32 | VREF+ | power_in | Positive reference voltage supply; also VREFBUF_OUT additional function (VREFBUF requires VDDA ≥ 2.4 V). |
| 33 | VDDA | power_in | Analog supply, 1.62 V min with ADC/COMP, 1.8 V min with DAC/OPAMP, 2.4 V min with VREFBUF, up to 3.6 V. |
| 34 | PA0 | bidirectional | FT_a I/O; AF: TIM2_CH1, TIM5_CH1, TIM8_ETR, USART2_CTS, UART4_TX, SAI1_EXTCLK, TIM2_ETR, EVENTOUT; additional: OPAMP1_VINP, ADC12_IN5, RTC_TAMP2/WKUP1. |
| 35 | PA1 | bidirectional | FT_la I/O; AF: TIM2_CH2, TIM5_CH2, USART2_RTS_DE, UART4_RX, LCD_SEG0, TIM15_CH1N, EVENTOUT; additional: OPAMP1_VINM, ADC12_IN6. |
| 36 | PA2 | bidirectional | FT_la I/O; AF: TIM2_CH3, TIM5_CH3, USART2_TX, LCD_SEG1, SAI2_EXTCLK, TIM15_CH1, EVENTOUT; additional: ADC12_IN7, WKUP4/LSCO. |
| 37 | PA3 | bidirectional | TT_la I/O; AF: TIM2_CH4, TIM5_CH4, USART2_RX, LCD_SEG2, TIM15_CH2, EVENTOUT; additional: OPAMP1_VOUT, ADC12_IN8. |
| 38 | VSS | power_in | Digital ground supply pin. |
| 39 | VDD | power_in | Main digital supply pin, 1.71 V to 3.6 V. |
| 40 | PA4 | bidirectional | TT_a I/O; AF: SPI1_NSS, SPI3_NSS, USART2_CK, SAI1_FS_B, LPTIM2_OUT, EVENTOUT; additional: ADC12_IN9, DAC1_OUT1. |
| 41 | PA5 | bidirectional | TT_a I/O; AF: TIM2_CH1, TIM2_ETR, TIM8_CH1N, SPI1_SCK, LPTIM2_ETR, EVENTOUT; additional: ADC12_IN10, DAC1_OUT2. |
| 42 | PA6 | bidirectional | FT_la I/O; AF: TIM1_BKIN, TIM3_CH1, TIM8_BKIN, SPI1_MISO, USART3_CTS, QUADSPI_BK1_IO3, LCD_SEG3, TIM16_CH1, EVENTOUT; additional: OPAMP2_VINP, ADC12_IN11. |
| 43 | PA7 | bidirectional | FT_la I/O; AF: TIM1_CH1N, TIM3_CH2, TIM8_CH1N, SPI1_MOSI, QUADSPI_BK1_IO2, LCD_SEG4, TIM17_CH1, EVENTOUT; additional: OPAMP2_VINM, ADC12_IN12. |
| 44 | PC4 | bidirectional | FT_la I/O; AF: USART3_TX, LCD_SEG22, EVENTOUT; additional: COMP1_INM, ADC12_IN13. |
| 45 | PC5 | bidirectional | FT_la I/O; AF: USART3_RX, LCD_SEG23, EVENTOUT; additional: COMP1_INP, ADC12_IN14, WKUP5. |
| 46 | PB0 | bidirectional | TT_la I/O; AF: TIM1_CH2N, TIM3_CH3, TIM8_CH2N, USART3_CK, QUADSPI_BK1_IO1, LCD_SEG5, COMP1_OUT, EVENTOUT; additional: OPAMP2_VOUT, ADC12_IN15. |
| 47 | PB1 | bidirectional | FT_la I/O; AF: TIM1_CH3N, TIM3_CH4, TIM8_CH3N, DFSDM1_DATIN0, USART3_RTS_DE, QUADSPI_BK1_IO0, LCD_SEG6, LPTIM2_IN1, EVENTOUT; additional: COMP1_INM, ADC12_IN16. |
| 48 | PB2 | bidirectional | FT_a I/O; AF: RTC_OUT, LPTIM1_OUT, I2C3_SMBA, DFSDM1_CKIN0, EVENTOUT; additional: COMP1_INP. |
| 49 | PF11 | bidirectional | FT I/O; AF: EVENTOUT. |
| 50 | PF12 | bidirectional | FT I/O; AF: FMC_A6, EVENTOUT. |
| 51 | VSS | power_in | Digital ground supply pin. |
| 52 | VDD | power_in | Main digital supply pin, 1.71 V to 3.6 V. |
| 53 | PF13 | bidirectional | FT I/O; AF: DFSDM1_DATIN6, FMC_A7, EVENTOUT. |
| 54 | PF14 | bidirectional | FT I/O; AF: DFSDM1_CKIN6, TSC_G8_IO1, FMC_A8, EVENTOUT. |
| 55 | PF15 | bidirectional | FT I/O; AF: TSC_G8_IO2, FMC_A9, EVENTOUT. |
| 56 | PG0 | bidirectional | FT I/O; AF: TSC_G8_IO3, FMC_A10, EVENTOUT. |
| 57 | PG1 | bidirectional | FT I/O; AF: TSC_G8_IO4, FMC_A11, EVENTOUT. |
| 58 | PE7 | bidirectional | FT I/O; AF: TIM1_ETR, DFSDM1_DATIN2, FMC_D4, SAI1_SD_B, EVENTOUT. |
| 59 | PE8 | bidirectional | FT I/O; AF: TIM1_CH1N, DFSDM1_CKIN2, FMC_D5, SAI1_SCK_B, EVENTOUT. |
| 60 | PE9 | bidirectional | FT I/O; AF: TIM1_CH1, DFSDM1_CKOUT, FMC_D6, SAI1_FS_B, EVENTOUT. |
| 61 | VSS | power_in | Digital ground supply pin. |
| 62 | VDD | power_in | Main digital supply pin, 1.71 V to 3.6 V. |
| 63 | PE10 | bidirectional | FT I/O; AF: TIM1_CH2N, DFSDM1_DATIN4, TSC_G5_IO1, QUADSPI_CLK, FMC_D7, SAI1_MCLK_B, EVENTOUT. |
| 64 | PE11 | bidirectional | FT I/O; AF: TIM1_CH2, DFSDM1_CKIN4, TSC_G5_IO2, QUADSPI_NCS, FMC_D8, EVENTOUT. |
| 65 | PE12 | bidirectional | FT I/O; AF: TIM1_CH3N, SPI1_NSS, DFSDM1_DATIN5, TSC_G5_IO3, QUADSPI_BK1_IO0, FMC_D9, EVENTOUT. |
| 66 | PE13 | bidirectional | FT I/O; AF: TIM1_CH3, SPI1_SCK, DFSDM1_CKIN5, TSC_G5_IO4, QUADSPI_BK1_IO1, FMC_D10, EVENTOUT. |
| 67 | PE14 | bidirectional | FT I/O; AF: TIM1_CH4, TIM1_BKIN2, TIM1_BKIN2_COMP2, SPI1_MISO, QUADSPI_BK1_IO2, FMC_D11, EVENTOUT. |
| 68 | PE15 | bidirectional | FT I/O; AF: TIM1_BKIN, TIM1_BKIN_COMP1, SPI1_MOSI, QUADSPI_BK1_IO3, FMC_D12, EVENTOUT. |
| 69 | PB10 | bidirectional | FT_fl I/O (Fm+); AF: TIM2_CH3, I2C2_SCL, SPI2_SCK, DFSDM1_DATIN7, USART3_TX, LPUART1_RX, QUADSPI_CLK, LCD_SEG10, COMP1_OUT, SAI1_SCK_A, EVENTOUT. |
| 70 | PB11 | bidirectional | FT_fl I/O (Fm+); AF: TIM2_CH4, I2C2_SDA, DFSDM1_CKIN7, USART3_RX, LPUART1_TX, QUADSPI_NCS, LCD_SEG11, COMP2_OUT, EVENTOUT. |
| 71 | VSS | power_in | Digital ground supply pin. |
| 72 | VDD | power_in | Main digital supply pin, 1.71 V to 3.6 V. |
| 73 | PB12 | bidirectional | FT_l I/O; AF: 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. |
| 74 | PB13 | bidirectional | FT_fl I/O (Fm+); AF: 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. |
| 75 | PB14 | bidirectional | FT_fl I/O (Fm+); AF: 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. |
| 76 | PB15 | bidirectional | FT_l I/O; AF: RTC_REFIN, TIM1_CH3N, TIM8_CH3N, SPI2_MOSI, DFSDM1_CKIN2, TSC_G1_IO4, LCD_SEG15, SWPMI1_SUSPEND, SAI2_SD_A, TIM15_CH2, EVENTOUT. |
| 77 | PD8 | bidirectional | FT_l I/O; AF: USART3_TX, LCD_SEG28, FMC_D13, EVENTOUT. |
| 78 | PD9 | bidirectional | FT_l I/O; AF: USART3_RX, LCD_SEG29, FMC_D14, SAI2_MCLK_A, EVENTOUT. |
| 79 | PD10 | bidirectional | FT_l I/O; AF: USART3_CK, TSC_G6_IO1, LCD_SEG30, FMC_D15, SAI2_SCK_A, EVENTOUT. |
| 80 | PD11 | bidirectional | FT_l I/O; AF: USART3_CTS, TSC_G6_IO2, LCD_SEG31, FMC_A16, SAI2_SD_A, LPTIM2_ETR, EVENTOUT. |
| 81 | PD12 | bidirectional | FT_l I/O; AF: TIM4_CH1, USART3_RTS_DE, TSC_G6_IO3, LCD_SEG32, FMC_A17, SAI2_FS_A, LPTIM2_IN1, EVENTOUT. |
| 82 | PD13 | bidirectional | FT_l I/O; AF: TIM4_CH2, TSC_G6_IO4, LCD_SEG33, FMC_A18, LPTIM2_OUT, EVENTOUT. |
| 83 | VSS | power_in | Digital ground supply pin. |
| 84 | VDD | power_in | Main digital supply pin, 1.71 V to 3.6 V. |
| 85 | PD14 | bidirectional | FT_l I/O; AF: TIM4_CH3, LCD_SEG34, FMC_D0, EVENTOUT. |
| 86 | PD15 | bidirectional | FT_l I/O; AF: TIM4_CH4, LCD_SEG35, FMC_D1, EVENTOUT. |
| 87 | PG2 | bidirectional | FT_s I/O supplied by VDDIO2; AF: SPI1_SCK, FMC_A12, SAI2_SCK_B, EVENTOUT. |
| 88 | PG3 | bidirectional | FT_s I/O supplied by VDDIO2; AF: SPI1_MISO, FMC_A13, SAI2_FS_B, EVENTOUT. |
| 89 | PG4 | bidirectional | FT_s I/O supplied by VDDIO2; AF: SPI1_MOSI, FMC_A14, SAI2_MCLK_B, EVENTOUT. |
| 90 | PG5 | bidirectional | FT_s I/O supplied by VDDIO2; AF: SPI1_NSS, LPUART1_CTS, FMC_A15, SAI2_SD_B, EVENTOUT. |
| 91 | PG6 | bidirectional | FT_s I/O supplied by VDDIO2; AF: I2C3_SMBA, LPUART1_RTS_DE, EVENTOUT. |
| 92 | PG7 | bidirectional | FT_fs I/O (Fm+) supplied by VDDIO2; AF: I2C3_SCL, LPUART1_TX, FMC_INT, EVENTOUT. |
| 93 | PG8 | bidirectional | FT_fs I/O (Fm+) supplied by VDDIO2; AF: I2C3_SDA, LPUART1_RX, EVENTOUT. |
| 94 | VSS | power_in | Digital ground supply pin. |
| 95 | VDDIO2 | power_in | Supply for PG[15:2] I/Os, 1.08 V to 3.6 V when at least one is used, 0 to 3.6 V when unused. |
| 96 | PC6 | bidirectional | FT_l I/O; AF: TIM3_CH1, TIM8_CH1, DFSDM1_CKIN3, TSC_G4_IO1, LCD_SEG24, SDMMC1_D6, SAI2_MCLK_A, EVENTOUT. |
| 97 | PC7 | bidirectional | FT_l I/O; AF: TIM3_CH2, TIM8_CH2, DFSDM1_DATIN3, TSC_G4_IO2, LCD_SEG25, SDMMC1_D7, SAI2_MCLK_B, EVENTOUT. |
| 98 | PC8 | bidirectional | FT_l I/O; AF: TIM3_CH3, TIM8_CH3, TSC_G4_IO3, LCD_SEG26, SDMMC1_D0, EVENTOUT. |
| 99 | PC9 | bidirectional | FT_l I/O; AF: TIM8_BKIN2, TIM3_CH4, TIM8_CH4, TSC_G4_IO4, OTG_FS_NOE, LCD_SEG27, SDMMC1_D1, SAI2_EXTCLK, TIM8_BKIN2_COMP1, EVENTOUT. |
| 100 | PA8 | bidirectional | FT_l I/O; AF: MCO, TIM1_CH1, USART1_CK, OTG_FS_SOF, LCD_COM0, LPTIM2_OUT, EVENTOUT. |
| 101 | PA9 | bidirectional | FT_lu I/O; AF: TIM1_CH2, USART1_TX, LCD_COM1, TIM15_BKIN, EVENTOUT; additional function OTG_FS_VBUS. |
| 102 | PA10 | bidirectional | FT_lu I/O; AF: TIM1_CH3, USART1_RX, OTG_FS_ID, LCD_COM2, TIM17_BKIN, EVENTOUT. |
| 103 | PA11 | bidirectional | FT_u I/O; AF: TIM1_CH4, TIM1_BKIN2, USART1_CTS, CAN1_RX, OTG_FS_DM, TIM1_BKIN2_COMP1, EVENTOUT. |
| 104 | PA12 | bidirectional | FT_u I/O; AF: TIM1_ETR, USART1_RTS_DE, CAN1_TX, OTG_FS_DP, EVENTOUT. |
| 105 | PA13 (JTMS-SWDIO) | bidirectional | FT I/O; JTMS-SWDIO after reset with internal pull-up active; AF: IR_OUT, OTG_FS_NOE, EVENTOUT. |
| 106 | VDDUSB | power_in | USB supply, 3.0 V to 3.6 V when USB is used, 0 to 3.6 V when unused. |
| 107 | VSS | power_in | Digital ground supply pin. |
| 108 | VDD | power_in | Main digital supply pin, 1.71 V to 3.6 V. |
| 109 | PA14 (JTCK-SWCLK) | bidirectional | FT I/O; JTCK-SWCLK after reset with internal pull-down active; AF: EVENTOUT. |
| 110 | PA15 (JTDI) | bidirectional | FT_l I/O; JTDI after reset with internal pull-up active; AF: TIM2_CH1, TIM2_ETR, SPI1_NSS, SPI3_NSS, UART4_RTS_DE, TSC_G3_IO1, LCD_SEG17, SAI2_FS_B, EVENTOUT. |
| 111 | PC10 | bidirectional | FT_l I/O; AF: SPI3_SCK, USART3_TX, UART4_TX, TSC_G3_IO2, LCD_COM4/LCD_SEG28/LCD_SEG40, SDMMC1_D2, SAI2_SCK_B, EVENTOUT. |
| 112 | PC11 | bidirectional | FT_l I/O; AF: SPI3_MISO, USART3_RX, UART4_RX, TSC_G3_IO3, LCD_COM5/LCD_SEG29/LCD_SEG41, SDMMC1_D3, SAI2_MCLK_B, EVENTOUT. |
| 113 | PC12 | bidirectional | FT_l I/O; AF: SPI3_MOSI, USART3_CK, UART5_TX, TSC_G3_IO4, LCD_COM6/LCD_SEG30/LCD_SEG42, SDMMC1_CK, SAI2_SD_B, EVENTOUT. |
| 114 | PD0 | bidirectional | FT I/O; AF: SPI2_NSS, DFSDM1_DATIN7, CAN1_RX, FMC_D2, EVENTOUT. |
| 115 | PD1 | bidirectional | FT I/O; AF: SPI2_SCK, DFSDM1_CKIN7, CAN1_TX, FMC_D3, EVENTOUT. |
| 116 | PD2 | bidirectional | FT_l I/O; AF: TIM3_ETR, USART3_RTS_DE, UART5_RX, TSC_SYNC, LCD_COM7/LCD_SEG31/LCD_SEG43, SDMMC1_CMD, EVENTOUT. |
| 117 | PD3 | bidirectional | FT I/O; AF: SPI2_MISO, DFSDM1_DATIN0, USART2_CTS, FMC_CLK, EVENTOUT. |
| 118 | PD4 | bidirectional | FT I/O; AF: SPI2_MOSI, DFSDM1_CKIN0, USART2_RTS_DE, FMC_NOE, EVENTOUT. |
| 119 | PD5 | bidirectional | FT I/O; AF: USART2_TX, FMC_NWE, EVENTOUT. |
| 120 | VSS | power_in | Digital ground supply pin. |
| 121 | VDD | power_in | Main digital supply pin, 1.71 V to 3.6 V. |
| 122 | PD6 | bidirectional | FT I/O; AF: DFSDM1_DATIN1, USART2_RX, FMC_NWAIT, SAI1_SD_A, EVENTOUT. |
| 123 | PD7 | bidirectional | FT I/O; AF: DFSDM1_CKIN1, USART2_CK, FMC_NE1, EVENTOUT. |
| 124 | PG9 | bidirectional | FT_s I/O supplied by VDDIO2; AF: SPI3_SCK, USART1_TX, FMC_NCE/FMC_NE2, SAI2_SCK_A, TIM15_CH1N, EVENTOUT. |
| 125 | PG10 | bidirectional | FT_s I/O supplied by VDDIO2; AF: LPTIM1_IN1, SPI3_MISO, USART1_RX, FMC_NE3, SAI2_FS_A, TIM15_CH1, EVENTOUT. |
| 126 | PG11 | bidirectional | FT_s I/O supplied by VDDIO2; AF: LPTIM1_IN2, SPI3_MOSI, USART1_CTS, SAI2_MCLK_A, TIM15_CH2, EVENTOUT. |
| 127 | PG12 | bidirectional | FT_s I/O supplied by VDDIO2; AF: LPTIM1_ETR, SPI3_NSS, USART1_RTS_DE, FMC_NE4, SAI2_SD_A, EVENTOUT. |
| 128 | PG13 | bidirectional | FT_fs I/O (Fm+) supplied by VDDIO2; AF: I2C1_SDA, USART1_CK, FMC_A24, EVENTOUT. |
| 129 | PG14 | bidirectional | FT_fs I/O (Fm+) supplied by VDDIO2; AF: I2C1_SCL, FMC_A25, EVENTOUT. |
| 130 | VSS | power_in | Digital ground supply pin. |
| 131 | VDDIO2 | power_in | Supply for PG[15:2] I/Os, 1.08 V to 3.6 V when at least one is used, 0 to 3.6 V when unused. |
| 132 | PG15 | bidirectional | FT_s I/O supplied by VDDIO2; AF: LPTIM1_OUT, I2C1_SMBA, EVENTOUT. |
| 133 | PB3 (JTDO-TRACESWO) | bidirectional | FT_la I/O; JTDO-TRACESWO after reset; AF: TIM2_CH2, SPI1_SCK, SPI3_SCK, USART1_RTS_DE, LCD_SEG7, SAI1_SCK_B, EVENTOUT; additional: COMP2_INM. |
| 134 | PB4 (NJTRST) | bidirectional | FT_la I/O; NJTRST after reset with internal pull-up active; AF: TIM3_CH1, SPI1_MISO, SPI3_MISO, USART1_CTS, UART5_RTS_DE, TSC_G2_IO1, LCD_SEG8, SAI1_MCLK_B, TIM17_BKIN, EVENTOUT; additional: COMP2_INP. |
| 135 | PB5 | bidirectional | FT_la I/O; AF: 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. |
| 136 | PB6 | bidirectional | FT_fa I/O (Fm+); AF: LPTIM1_ETR, TIM4_CH1, TIM8_BKIN2, I2C1_SCL, DFSDM1_DATIN5, USART1_TX, TSC_G2_IO3, TIM8_BKIN2_COMP2, SAI1_FS_B, TIM16_CH1N, EVENTOUT; additional: COMP2_INP. |
| 137 | PB7 | bidirectional | FT_fla I/O (Fm+); AF: LPTIM1_IN2, TIM4_CH2, TIM8_BKIN, I2C1_SDA, DFSDM1_CKIN5, USART1_RX, UART4_CTS, TSC_G2_IO4, LCD_SEG21, FMC_NL, TIM17_CH1N, EVENTOUT; additional: COMP2_INM, PVD_IN. |
| 138 | BOOT0 | input | Dedicated boot mode selection input; input voltage 0 to 9 V. |
| 139 | PB8 | bidirectional | FT_fl I/O (Fm+); AF: TIM4_CH3, I2C1_SCL, DFSDM1_DATIN6, CAN1_RX, LCD_SEG16, SDMMC1_D4, SAI1_MCLK_A, TIM16_CH1, EVENTOUT. |
| 140 | PB9 | bidirectional | FT_fl I/O (Fm+); AF: IR_OUT, TIM4_CH4, I2C1_SDA, SPI2_NSS, DFSDM1_CKIN6, CAN1_TX, LCD_COM3, SDMMC1_D5, SAI1_FS_A, TIM17_CH1, EVENTOUT. |
| 141 | PE0 | bidirectional | FT_l I/O; AF: TIM4_ETR, LCD_SEG36, FMC_NBL0, TIM16_CH1, EVENTOUT. |
| 142 | PE1 | bidirectional | FT_l I/O; AF: LCD_SEG37, FMC_NBL1, TIM17_CH1, EVENTOUT. |
| 143 | VSS | power_in | Digital ground supply pin. |
| 144 | VDD | power_in | Main digital supply pin, 1.71 V to 3.6 V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | LQFP-144(20x20) |
| Category | Embedded Processors & Controllers |
| Pins | 144 |

## CAD (KiCad official)

- Symbol: `STM32L476ZGT6`
- Footprint: `Package_QFP:LQFP-144_20x20mm_P0.5mm`
- 3D model: LQFP-144(20x20) (KiCad packages3D, STEP)
- 3D model files: `stm32l476zgt6-etched.step` / `stm32l476zgt6-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm32l476zgt6.step` / `stm32l476zgt6.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588907789624758272) (270 pp, sha256 `241f8f908b7f839d`, retrieved 2026-10-01, 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](docs/stm32l476zgt6-datasheet.pdf)