# STM32G484QET6

**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · LQFP-128(14x14)

STM32G484QET6 from STMicroelectronics, in a LQFP-128(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 | 5 V tolerant FT I/O; alternate functions include TRACECK, TIM3_CH1, SAI1_CK1, SPI4_SCK, FMC_A23. |
| 2 | PE3 | bidirectional | 5 V tolerant FT I/O; alternate functions include TRACED0, TIM3_CH2, SPI4_NSS, FMC_A19, SAI1_SD_B. |
| 3 | PE4 | bidirectional | 5 V tolerant FT I/O; alternate functions include TRACED1, TIM3_CH3, SAI1_D2, SPI4_NSS, FMC_A20. |
| 4 | PE5 | bidirectional | 5 V tolerant FT I/O; alternate functions include TRACED2, TIM3_CH4, SAI1_CK2, SPI4_MISO, FMC_A21. |
| 5 | PE6 | bidirectional | 5 V tolerant FT I/O; alternate functions include TRACED3, SAI1_D1, SPI4_MOSI, FMC_A22, WKUP3/RTC_TAMP3. |
| 6 | VBAT | power_in | Backup domain supply for RTC and backup registers, 1.55 V to 3.6 V (Table 17). |
| 7 | PC13 | bidirectional | FT I/O supplied through the power switch, which sinks at most 3 mA, so output use is limited to 2 MHz at 30 pF and it must not source LED-type loads (note 2); also WKUP2/RTC_TAMP1/RTC_TS/RTC_OUT1. |
| 8 | PC14-OSC32_IN | bidirectional | FT I/O supplied through the power switch with the same 3 mA and output-use limits as PC13 (notes 2 and 3); also LSE oscillator input OSC32_IN. |
| 9 | PC15-OSC32_OUT | bidirectional | FT I/O supplied through the power switch with the same 3 mA and output-use limits as PC13 (notes 2 and 3); also LSE oscillator output OSC32_OUT. |
| 10 | PF3 | bidirectional | FT_f I/O (Fm+ capable); alternate functions include TIM20_CH4, I2C3_SCL, FMC_A3. |
| 11 | PF4 | bidirectional | FT_f I/O (Fm+ capable); alternate functions include COMP1_OUT, TIM20_CH1N, I2C3_SDA, FMC_A4. |
| 12 | VSS | power_in | Digital ground reference; must be connected to the external ground. |
| 13 | VDD | power_in | Digital supply; standard operating voltage 1.71 V to 3.6 V (Table 17). |
| 14 | PF5 | bidirectional | 5 V tolerant FT I/O; alternate functions include TIM20_CH2N, FMC_A5. |
| 15 | PF7 | bidirectional | 5 V tolerant FT I/O; alternate functions include TIM20_BKIN, TIM5_CH2, QUADSPI1_BK1_IO2, FMC_A1. |
| 16 | PF8 | bidirectional | 5 V tolerant FT I/O; alternate functions include TIM20_BKIN2, TIM5_CH3, QUADSPI1_BK1_IO0, FMC_A24. |
| 17 | PF9 | bidirectional | 5 V tolerant FT I/O; alternate functions include TIM20_BKIN, TIM15_CH1, SPI2_SCK, TIM5_CH4, FMC_A25. |
| 18 | PF10 | bidirectional | 5 V tolerant FT I/O; alternate functions include TIM20_BKIN2, TIM15_CH2, SPI2_SCK, QUADSPI1_CLK, FMC_A0. |
| 19 | PF0-OSC_IN | bidirectional | FT_fa I/O (Fm+ capable); alternate functions include I2C2_SDA, SPI2_NSS/I2S2_WS, TIM1_CH3N; additional function HSE oscillator input OSC_IN. |
| 20 | PF1-OSC_OUT | bidirectional | FT_a I/O with analog switch supplied by VDDA; alternate functions include SPI2_SCK/I2S2_CK; additional function HSE oscillator output OSC_OUT and ADC2_IN10. |
| 21 | PG10-NRST | bidirectional | Bidirectional reset pin with embedded weak pull-up resistor; alternate functions include MCO and EVENTOUT. |
| 22 | PC0 | bidirectional | FT_a I/O with analog switch supplied by VDDA; alternate functions include LPTIM1_IN1, TIM1_CH1, LPUART1_RX; additional ADC12_IN6 and COMP3_INM. |
| 23 | PC1 | bidirectional | TT_a I/O (3.6 V tolerant) with analog switch supplied by VDDA; alternate functions include LPTIM1_OUT, TIM1_CH2, LPUART1_TX, QUADSPI1_BK2_IO0. |
| 24 | PC2 | bidirectional | FT_a I/O with analog switch supplied by VDDA; alternate functions include LPTIM1_IN2, TIM1_CH3, COMP3_OUT, TIM20_CH2; additional ADC12_IN8. |
| 25 | PC3 | bidirectional | TT_a I/O (3.6 V tolerant) with analog switch supplied by VDDA; alternate functions include LPTIM1_ETR, TIM1_CH4, SAI1_D1; additional ADC12_IN9 and OPAMP5_VINP. |
| 26 | PF2 | bidirectional | 5 V tolerant FT I/O; alternate functions include TIM20_CH3, I2C2_SMBA, FMC_A2. |
| 27 | PA0 | bidirectional | TT_a I/O (3.6 V tolerant) with analog switch supplied by VDDA; alternate functions include TIM2_CH1, TIM5_CH1, USART2_CTS, TIM8_BKIN; additional ADC12_IN1, WKUP1 and RTC_TAMP2. |
| 28 | PA1 | bidirectional | TT_a I/O (3.6 V tolerant) with analog switch supplied by VDDA; alternate functions include RTC_REFIN, TIM2_CH2, TIM5_CH2, USART2_RTS_DE; additional ADC12_IN2. |
| 29 | PA2 | bidirectional | 5 V tolerant FT_a I/O with analog switch supplied by VDDA; alternate functions include TIM2_CH3, USART2_TX, TIM15_CH1, LPUART1_TX, UCPD1_FRSTX; additional ADC1_IN3 and WKUP4/LSCO. |
| 30 | VSS | power_in | Digital ground reference; must be connected to the external ground. |
| 31 | VDD | power_in | Digital supply; standard operating voltage 1.71 V to 3.6 V (Table 17). |
| 32 | PA3 | bidirectional | TT_a I/O (3.6 V tolerant) with analog switch supplied by VDDA; alternate functions include TIM2_CH4, TIM5_CH4, SAI1_CK1, USART2_RX, LPUART1_RX; additional ADC1_IN4. |
| 33 | PA4 | bidirectional | TT_a I/O (3.6 V tolerant); alternate functions include TIM3_CH2, SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_CK; additional ADC2_IN17, DAC1_OUT1 and COMP1_INM. |
| 34 | PA5 | bidirectional | TT_a I/O (3.6 V tolerant); alternate functions include TIM2_CH1, TIM2_ETR, SPI1_SCK, UCPD1_FRSTX; additional ADC2_IN13 and DAC1_OUT2. |
| 35 | PA6 | bidirectional | TT_a I/O (3.6 V tolerant); alternate functions include TIM16_CH1, TIM3_CH1, TIM8_BKIN, SPI1_MISO, QUADSPI1_BK1_IO3; additional ADC2_IN3 and DAC2_OUT1. |
| 36 | PA7 | bidirectional | TT_a I/O (3.6 V tolerant); alternate functions include TIM17_CH1, TIM3_CH2, TIM8_CH1N, SPI1_MOSI, UCPD1_FRSTX; additional ADC2_IN4. |
| 37 | PC4 | bidirectional | FT_fa I/O with analog switch supplied by VDDA; alternate functions include TIM1_ETR, I2C2_SCL, USART1_TX, QUADSPI1_BK2_IO3; additional ADC2_IN5. |
| 38 | PC5 | bidirectional | TT_a I/O (3.6 V tolerant); alternate functions include TIM15_BKIN, SAI1_D3, TIM1_CH4N, USART1_RX, HRTIM1_EEV10; additional ADC2_IN11 and WKUP5. |
| 39 | PB0 | bidirectional | TT_a I/O (3.6 V tolerant); alternate functions include TIM3_CH3, TIM8_CH2N, TIM1_CH2N, QUADSPI1_BK1_IO1, UCPD1_FRSTX; additional ADC3_IN12/ADC1_IN15. |
| 40 | PB1 | bidirectional | TT_a I/O (3.6 V tolerant); alternate functions include TIM3_CH4, TIM8_CH3N, TIM1_CH3N, COMP4_OUT, QUADSPI1_BK1_IO0; additional ADC3_IN1/ADC1_IN12. |
| 41 | PB2 | bidirectional | TT_a I/O (3.6 V tolerant); alternate functions include RTC_OUT2, LPTIM1_OUT, TIM5_CH1, TIM20_CH1, I2C3_SMBA; additional ADC2_IN12 and COMP4_INM. |
| 42 | VSSA | power_in | Analog ground reference for ADC, DAC, OPAMP, COMP and VREFBUF; must be connected to ground. |
| 43 | VREF+ | power_in | Positive reference voltage input for ADC/DAC; can be internally connected to VDDA depending on package; also carries VREFBUF_OUT. |
| 44 | VREF+ | power_in | Second VREF+ pin of this package, carrying VREFBUF_OUT; can be internally connected to VDDA depending on package. |
| 45 | VDDA | power_in | Analog supply; 1.62 V minimum for ADC, 1.8 V for DAC 1 MSPS, DAC 15 MSPS, OPAMP and COMP, 2.4 V when VREFBUF is used, maximum 3.6 V (Table 17). |
| 46 | VSS | power_in | Digital ground reference; must be connected to the external ground. |
| 47 | VDD | power_in | Digital supply; standard operating voltage 1.71 V to 3.6 V (Table 17). |
| 48 | PF11 | bidirectional | 5 V tolerant FT I/O; alternate functions include TIM20_ETR, FMC_NE4. |
| 49 | PF12 | bidirectional | 5 V tolerant FT I/O; alternate functions include TIM20_CH1, FMC_A6. |
| 50 | PF13 | bidirectional | 5 V tolerant FT I/O; alternate functions include TIM20_CH2, I2C4_SMBA, FMC_A7. |
| 51 | PF14 | bidirectional | FT_f I/O (Fm+ capable); alternate functions include TIM20_CH3, I2C4_SCL, FMC_A8. |
| 52 | PF15 | bidirectional | FT_f I/O (Fm+ capable); alternate functions include TIM20_CH4, I2C4_SDA, FMC_A9. |
| 53 | PE7 | bidirectional | TT_a I/O (3.6 V tolerant); alternate functions include TIM1_ETR, FMC_D4, SAI1_SD_B; additional ADC3_IN4 and COMP4_INP. |
| 54 | PE8 | bidirectional | FT_a I/O with analog switch supplied by VDDA; alternate functions include TIM5_CH3, TIM1_CH1N, FMC_D5, SAI1_SCK_B; additional ADC345_IN6 and COMP4_INM. |
| 55 | PE9 | bidirectional | FT_a I/O with analog switch supplied by VDDA; alternate functions include TIM5_CH4, TIM1_CH1, FMC_D6, SAI1_FS_B; additional ADC3_IN2. |
| 56 | PE10 | bidirectional | FT_a I/O with analog switch supplied by VDDA; alternate functions include TIM1_CH2N, QUADSPI1_CLK, FMC_D7, SAI1_MCLK_B; additional ADC345_IN14. |
| 57 | PE11 | bidirectional | FT_a I/O with analog switch supplied by VDDA; alternate functions include TIM1_CH2, SPI4_NSS, QUADSPI1_BK1_NCS, FMC_D8; additional ADC345_IN15. |
| 58 | PE12 | bidirectional | FT_a I/O with analog switch supplied by VDDA; alternate functions include TIM1_CH3N, SPI4_SCK, QUADSPI1_BK1_IO0, FMC_D9; additional ADC345_IN16. |
| 59 | PE13 | bidirectional | FT_a I/O with analog switch supplied by VDDA; alternate functions include TIM1_CH3, SPI4_MISO, QUADSPI1_BK1_IO1, FMC_D10; additional ADC3_IN3. |
| 60 | PE14 | bidirectional | FT_a I/O with analog switch supplied by VDDA; alternate functions include TIM1_CH4, SPI4_MOSI, TIM1_BKIN2, QUADSPI1_BK1_IO2, FMC_D11; additional ADC4_IN1. |
| 61 | PE15 | bidirectional | FT_a I/O with analog switch supplied by VDDA; alternate functions include TIM1_BKIN, TIM1_CH4N, USART3_RX, QUADSPI1_BK1_IO3, FMC_D12; additional ADC4_IN2. |
| 62 | PB10 | bidirectional | TT_a I/O (3.6 V tolerant); alternate functions include TIM2_CH3, USART3_TX, LPUART1_RX, QUADSPI1_CLK, HRTIM1_FLT3; additional COMP5_INM, OPAMP3_VINM and OPAMP4_VINM. |
| 63 | VSS | power_in | Digital ground reference; must be connected to the external ground. |
| 64 | VDD | power_in | Digital supply; standard operating voltage 1.71 V to 3.6 V (Table 17). |
| 65 | PB11 | bidirectional | TT_a I/O (3.6 V tolerant); alternate functions include TIM2_CH4, USART3_RX, LPUART1_TX, QUADSPI1_BK1_NCS, HRTIM1_FLT4; additional ADC12_IN14. |
| 66 | PB12 | bidirectional | TT_a I/O (3.6 V tolerant); alternate functions include TIM5_ETR, I2C2_SMBA, SPI2_NSS/I2S2_WS, TIM1_BKIN, USART3_CK, FDCAN2_RX; additional ADC4_IN3/ADC1_IN11. |
| 67 | PB13 | bidirectional | TT_a I/O (3.6 V tolerant); alternate functions include SPI2_SCK/I2S2_CK, TIM1_CH1N, USART3_CTS, LPUART1_CTS, FDCAN2_TX; additional ADC3_IN5. |
| 68 | PB14 | bidirectional | TT_a I/O (3.6 V tolerant); alternate functions include TIM15_CH1, SPI2_MISO, TIM1_CH2N, USART3_RTS_DE, COMP4_OUT; additional ADC4_IN4/ADC1_IN5. |
| 69 | PB15 | bidirectional | TT_a I/O (3.6 V tolerant); alternate functions include RTC_REFIN, TIM15_CH2, TIM15_CH1N, TIM1_CH3N, SPI2_MOSI/I2S2_SD; additional ADC4_IN5/ADC2_IN15. |
| 70 | PD8 | bidirectional | TT_a I/O (3.6 V tolerant); alternate functions include USART3_TX, FMC_D13; additional ADC4_IN12/ADC5_IN12 and OPAMP4_VINM. |
| 71 | PD9 | bidirectional | TT_a I/O (3.6 V tolerant); alternate functions include USART3_RX, FMC_D14; additional ADC4_IN13/ADC5_IN13 and OPAMP6_VINP. |
| 72 | PD10 | bidirectional | FT_a I/O with analog switch supplied by VDDA; alternate functions include USART3_CK, FMC_D15; additional ADC345_IN7 and COMP6_INM. |
| 73 | PD11 | bidirectional | TT_a I/O (3.6 V tolerant); alternate functions include TIM5_ETR, I2C4_SMBA, USART3_CTS, FMC_A16; additional ADC345_IN8. |
| 74 | PD12 | bidirectional | TT_a I/O (3.6 V tolerant); alternate functions include TIM4_CH1, USART3_RTS_DE, FMC_A17; additional ADC345_IN9. |
| 75 | PD13 | bidirectional | FT_a I/O with analog switch supplied by VDDA; alternate functions include TIM4_CH2, FMC_A18; additional ADC345_IN10 and COMP5_INM. |
| 76 | PD14 | bidirectional | TT_a I/O (3.6 V tolerant); alternate functions include TIM4_CH3, FMC_D0; additional ADC345_IN11 and COMP7_INP. |
| 77 | PD15 | bidirectional | FT_a I/O with analog switch supplied by VDDA; alternate functions include TIM4_CH4, SPI2_NSS, FMC_D1; additional COMP7_INM. |
| 78 | VSS | power_in | Digital ground reference; must be connected to the external ground. |
| 79 | VDD | power_in | Digital supply; standard operating voltage 1.71 V to 3.6 V (Table 17). |
| 80 | PC6 | bidirectional | FT_f I/O (Fm+ capable); alternate functions include TIM3_CH1, HRTIM1_EEV10, TIM8_CH1, I2S2_MCK, COMP6_OUT, I2C4_SCL. |
| 81 | PC7 | bidirectional | FT_f I/O (Fm+ capable); alternate functions include TIM3_CH2, HRTIM1_FLT5, TIM8_CH2, I2S3_MCK, COMP5_OUT, I2C4_SDA. |
| 82 | PG0 | bidirectional | 5 V tolerant FT I/O; alternate functions include TIM20_CH1N, FMC_A10. |
| 83 | PG1 | bidirectional | 5 V tolerant FT I/O; alternate functions include TIM20_CH2N, FMC_A11. |
| 84 | PG2 | bidirectional | 5 V tolerant FT I/O; alternate functions include TIM20_CH3N, SPI1_SCK, FMC_A12. |
| 85 | PG3 | bidirectional | FT_f I/O (Fm+ capable); alternate functions include TIM20_BKIN, I2C4_SCL, SPI1_MISO, TIM20_CH4N, FMC_A13. |
| 86 | PG4 | bidirectional | FT_f I/O (Fm+ capable); alternate functions include TIM20_BKIN2, I2C4_SDA, SPI1_MOSI, FMC_A14. |
| 87 | PC8 | bidirectional | FT_f I/O (Fm+ capable); alternate functions include TIM3_CH3, HRTIM1_CHE1, TIM8_CH3, TIM20_CH3, COMP7_OUT, I2C3_SCL. |
| 88 | PC9 | bidirectional | FT_f I/O (Fm+ capable); alternate functions include TIM3_CH4, HRTIM1_CHE2, TIM8_CH4, I2SCKIN, TIM8_BKIN2, I2C3_SDA. |
| 89 | PA8 | bidirectional | FT_a I/O with analog switch supplied by VDDA; alternate functions include MCO, I2C3_SCL, I2C2_SDA, TIM1_CH1, USART1_CK, HRTIM1_CHA1; additional ADC5_IN1 and OPAMP5_VOUT. |
| 90 | PA9 | bidirectional | FT_fd I/O (Fm+ capable, USB Type-C dead-battery function); alternate functions include I2C3_SMBA, I2C2_SCL, TIM1_CH2, USART1_TX, HRTIM1_CHA2; additional ADC5_IN2 and UCPD1_DBCC1. |
| 91 | PA10 | bidirectional | FT_fd I/O (Fm+ capable, USB Type-C dead-battery function); alternate functions include TIM17_BKIN, USB_CRS_SYNC, SPI2_MISO, TIM1_CH3, USART1_RX; additional UCPD1_DBCC2. |
| 92 | PA11 | bidirectional | FT_u I/O with USB function; alternate functions include SPI2_MOSI/I2S2_SD, TIM1_CH1N, USART1_CTS, FDCAN1_RX, HRTIM1_CHB2; additional USB_DM. |
| 93 | PA12 | bidirectional | FT_u I/O with USB function; alternate functions include TIM16_CH1, TIM1_CH2N, USART1_RTS_DE, FDCAN1_TX, HRTIM1_FLT1; additional USB_DP. |
| 94 | VSS | power_in | Digital ground reference; must be connected to the external ground. |
| 95 | VDD | power_in | Digital supply; standard operating voltage 1.71 V to 3.6 V (Table 17). |
| 96 | PA13 | bidirectional | FT_f I/O (Fm+ capable); after reset it is the SWDIO-JTMS debug function with internal pull-up enabled (note 4); also I2C1_SCL, IR_OUT, USART3_CTS. |
| 97 | PF6 | bidirectional | FT_f I/O (Fm+ capable); alternate functions include TIM5_ETR, TIM4_CH4, SAI1_SD_B, I2C2_SCL, QUADSPI1_BK1_IO3, USART3_RTS. |
| 98 | PA14 | bidirectional | FT_f I/O (Fm+ capable); after reset it is the SWCLK-JTCK debug function with internal pull-down enabled (note 4); also LPTIM1_OUT, I2C1_SDA, USART2_TX. |
| 99 | PA15 | bidirectional | FT_f I/O (Fm+ capable); after reset it is the JTDI debug function with internal pull-up enabled (note 4); also TIM2_CH1, SPI1_NSS, USART2_RX, TIM1_BKIN. |
| 100 | PC10 | bidirectional | 5 V tolerant FT I/O; alternate functions include TIM8_CH1N, UART4_TX, SPI3_SCK/I2S3_CK, USART3_TX, HRTIM1_FLT6. |
| 101 | PC11 | bidirectional | FT_f I/O (Fm+ capable); alternate functions include HRTIM1_EEV2, TIM8_CH2N, UART4_RX, SPI3_MISO, USART3_RX, I2C3_SDA. |
| 102 | PC12 | bidirectional | 5 V tolerant FT I/O; alternate functions include TIM5_CH2, HRTIM1_EEV1, TIM8_CH3N, UART5_TX, SPI3_MOSI/I2S3_SD, USART3_CK, UCPD1_FRSTX. |
| 103 | PG5 | bidirectional | 5 V tolerant FT I/O; alternate functions include TIM20_ETR, SPI1_NSS, LPUART1_CTS, FMC_A15. |
| 104 | PG6 | bidirectional | 5 V tolerant FT I/O; alternate functions include TIM20_BKIN, I2C3_SMBA, LPUART1_RTS_DE, FMC_INT. |
| 105 | PG7 | bidirectional | FT_f I/O (Fm+ capable); alternate functions include SAI1_CK1, I2C3_SCL, LPUART1_TX, FMC_INT, SAI1_MCLK_A. |
| 106 | PG8 | bidirectional | FT_f I/O (Fm+ capable); alternate functions include I2C3_SDA, LPUART1_RX, FMC_NE3. |
| 107 | PG9 | bidirectional | 5 V tolerant FT I/O; alternate functions include SPI3_SCK, USART1_TX, FMC_NCE/FMC_NE2, TIM15_CH1N. |
| 108 | PD0 | bidirectional | 5 V tolerant FT I/O; alternate functions include TIM8_CH4N, FDCAN1_RX, FMC_D2. |
| 109 | PD1 | bidirectional | 5 V tolerant FT I/O; alternate functions include TIM8_CH4, TIM8_BKIN2, FDCAN1_TX, FMC_D3. |
| 110 | VSS | power_in | Digital ground reference; must be connected to the external ground. |
| 111 | VDD | power_in | Digital supply; standard operating voltage 1.71 V to 3.6 V (Table 17). |
| 112 | PD2 | bidirectional | 5 V tolerant FT I/O; alternate functions include TIM3_ETR, TIM8_BKIN, UART5_RX. |
| 113 | PD3 | bidirectional | 5 V tolerant FT I/O; alternate functions include TIM2_CH1/TIM2_ETR, USART2_CTS, QUADSPI1_BK2_NCS, FMC_CLK. |
| 114 | PD4 | bidirectional | 5 V tolerant FT I/O; alternate functions include TIM2_CH2, USART2_RTS_DE, QUADSPI1_BK2_IO0, FMC_NOE. |
| 115 | PD5 | bidirectional | 5 V tolerant FT I/O; alternate functions include USART2_TX, QUADSPI1_BK2_IO1, FMC_NWE. |
| 116 | PD6 | bidirectional | 5 V tolerant FT I/O; alternate functions include TIM2_CH4, SAI1_D1, USART2_RX, QUADSPI1_BK2_IO2, FMC_NWAIT, SAI1_SD_A. |
| 117 | PD7 | bidirectional | 5 V tolerant FT I/O; alternate functions include TIM2_CH3, USART2_CK, QUADSPI1_BK2_IO3, FMC_NCE/FMC_NE1. |
| 118 | PB3 | bidirectional | 5 V tolerant FT I/O; after reset it is the JTDO-TRACESWO debug function with internal pull-up enabled (note 4); also TIM2_CH2, TIM4_ETR, SPI1_SCK, USART2_TX. |
| 119 | PB4 | bidirectional | FT_c I/O (USB Type-C PD capable); after reset it is the JTRST debug function with internal pull-up enabled (note 4); also TIM16_CH1, TIM3_CH1, SPI1_MISO, USART2_RX; additional UCPD1_CC2. |
| 120 | PB5 | bidirectional | FT_f I/O (Fm+ capable); alternate functions include TIM16_BKIN, TIM3_CH2, I2C1_SMBA, SPI1_MOSI, SPI3_MOSI/I2S3_SD, FDCAN2_RX, LPTIM1_IN1. |
| 121 | PB6 | bidirectional | FT_c I/O (USB Type-C PD capable); alternate functions include TIM16_CH1N, TIM4_CH1, TIM8_CH1, USART1_TX, FDCAN2_TX; additional UCPD1_CC1. |
| 122 | PB7 | bidirectional | FT_f I/O (Fm+ capable); alternate functions include TIM17_CH1N, TIM4_CH2, I2C4_SDA, I2C1_SDA, USART1_RX, FMC_NL; additional PVD_IN. |
| 123 | PB8-BOOT0 | bidirectional | FT_f I/O (Fm+ capable) that also carries BOOT0; after startup set it to a mode other than analog to limit consumption if left unconnected (note 5); alternate functions include TIM16_CH1, TIM4_CH3, I2C1_SCL, USART3_RX. |
| 124 | PB9 | bidirectional | FT_f I/O (Fm+ capable); alternate functions include TIM17_CH1, TIM4_CH4, SAI1_D2, I2C1_SDA, IR_OUT, USART3_TX, FDCAN1_TX. |
| 125 | PE0 | bidirectional | 5 V tolerant FT I/O; alternate functions include TIM4_ETR, TIM20_CH4N, TIM16_CH1, TIM20_ETR, USART1_TX, FMC_NBL0. |
| 126 | PE1 | bidirectional | 5 V tolerant FT I/O; alternate functions include TIM17_CH1, TIM20_CH4, USART1_RX, FMC_NBL1. |
| 127 | VSS | power_in | Digital ground reference; must be connected to the external ground. |
| 128 | VDD | power_in | Digital supply; standard operating voltage 1.71 V to 3.6 V (Table 17). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | LQFP-128(14x14) |
| Category | Embedded Processors & Controllers |
| Pins | 128 |

## CAD (KiCad official)

- Symbol: `STM32G484QET6`
- Footprint: `Package_QFP:LQFP-128_14x14mm_P0.4mm`
- 3D model: LQFP-128(14x14) (KiCad packages3D, STEP)
- 3D model files: `stm32g484qet6-etched.step` / `stm32g484qet6-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm32g484qet6.step` / `stm32g484qet6.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/8588907784834592768) (238 pp, sha256 `6fb47430fbc08e05`, retrieved 2026-10-09, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (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/stm32g484qet6-datasheet.pdf)