| Pin | Symbol | Type | Function (EN) |
|---|---|---|---|
| A1 | PC13 | I/O | Multiplexed I/O & Peripheral Pin PC13 (General) |
| A2 | PE3 | I/O | Multiplexed I/O & Peripheral Pin PE3 (General) |
| A3 | PE2 | I/O | Multiplexed I/O & Peripheral Pin PE2 (SPI) |
| A4 | PE1 | I/O | Multiplexed I/O & Peripheral Pin PE1 (General) |
| A5 | PE0 | I/O | Multiplexed I/O & Peripheral Pin PE0 (General) |
| A6 | PB4 | I/O | Multiplexed I/O & Peripheral Pin PB4 (SPI) |
| A7 | PB3 | I/O | Multiplexed I/O & Peripheral Pin PB3 (UART, SPI, I2C, PWM, SWD/JTAG) |
| A8 | PD6 | I/O | Multiplexed I/O & Peripheral Pin PD6 (UART, SPI) |
| A9 | PD7 | I/O | Multiplexed I/O & Peripheral Pin PD7 (UART) |
| A10 | PA15 | I/O | Multiplexed I/O & Peripheral Pin PA15 (UART, SPI, SWD/JTAG) |
| A11 | PA14 | I/O | Multiplexed I/O & Peripheral Pin PA14 (SWD/JTAG) |
| A12 | PA13 | I/O | Multiplexed I/O & Peripheral Pin PA13 (SWD/JTAG) |
| B1 | PC14 - OSC32_IN | I/O | Multiplexed I/O & Peripheral Pin PC14 - OSC32_IN (RTC/CLK) |
| B2 | PE4 | I/O | Multiplexed I/O & Peripheral Pin PE4 (SPI) |
| B3 | PE5 | I/O | Multiplexed I/O & Peripheral Pin PE5 (SPI) |
| B4 | PE6 | I/O | Multiplexed I/O & Peripheral Pin PE6 (SPI) |
| B5 | PB9 | I/O | Multiplexed I/O & Peripheral Pin PB9 (SPI, PWM, CAN) |
| B6 | PB5 | I/O | Multiplexed I/O & Peripheral Pin PB5 (SPI, I2C, PWM, CAN) |
| B7 | PG15 | I/O | Multiplexed I/O & Peripheral Pin PG15 (UART) |
| B8 | PG12 | I/O | Multiplexed I/O & Peripheral Pin PG12 (UART, CAN) |
| B9 | PD5 | I/O | Multiplexed I/O & Peripheral Pin PD5 (UART) |
| B10 | PC11 | I/O | Multiplexed I/O & Peripheral Pin PC11 (UART, SPI) |
| B11 | PC10 | I/O | Multiplexed I/O & Peripheral Pin PC10 (UART, SPI) |
| B12 | PA12 | I/O | Multiplexed I/O & Peripheral Pin PA12 (USB, UART, CAN) |
| C1 | PC15 - OSC32_ OUT | I/O | Multiplexed I/O & Peripheral Pin PC15 - OSC32_ OUT (RTC/CLK) |
| C2 | VBAT | Power | Power Supply Input (VBAT — 3.3V VDD (Max 4.0V)) |
| C3 | PF0 | I/O | Multiplexed I/O & Peripheral Pin PF0 (I2C) |
| C4 | PF1 | I/O | Multiplexed I/O & Peripheral Pin PF1 (I2C) |
| C5 | PB8 | I/O | Multiplexed I/O & Peripheral Pin PB8 (SPI, PWM, CAN) |
| C6 | PB6 | I/O | Multiplexed I/O & Peripheral Pin PB6 (UART, PWM, CAN) |
| C7 | PG14 | I/O | Multiplexed I/O & Peripheral Pin PG14 (UART) |
| C8 | PG11 | I/O | Multiplexed I/O & Peripheral Pin PG11 (CAN) |
| C9 | PD4 | I/O | Multiplexed I/O & Peripheral Pin PD4 (UART) |
| C10 | PC12 | I/O | Multiplexed I/O & Peripheral Pin PC12 (UART, SPI) |
| C11 | VDDUSB | Power | Power Supply Input (VDDUSB — 3.3V VDD (Max 4.0V)) |
| C12 | PA11 | I/O | Multiplexed I/O & Peripheral Pin PA11 (USB, UART, PWM, CAN) |
| D1 | PH0 - OSC_IN | I/O | Multiplexed I/O & Peripheral Pin PH0 - OSC_IN (RTC/CLK) |
| D2 | VSS | GND | Ground Reference Pin (VSS) |
| D3 | VDD | Power | Power Supply Input (VDD — 3.3V VDD (Max 4.0V)) |
| D4 | PF2 | I/O | Multiplexed I/O & Peripheral Pin PF2 (I2C) |
| D5 | BOOT0 | I | Input-Only Pin BOOT0 (General) |
| D6 | PB7 | I/O | Multiplexed I/O & Peripheral Pin PB7 (UART, PWM) |
| D7 | PG13 | I/O | Multiplexed I/O & Peripheral Pin PG13 (UART) |
| D8 | PG10 | I/O | Multiplexed I/O & Peripheral Pin PG10 (General) |
| D9 | PD3 | I/O | Multiplexed I/O & Peripheral Pin PD3 (UART, SPI) |
| D10 | PD1 | I/O | Multiplexed I/O & Peripheral Pin PD1 (CAN) |
| D11 | PA10 | I/O | Multiplexed I/O & Peripheral Pin PA10 (USB, UART, SPI, PWM) |
| D12 | PA9 | I/O | Multiplexed I/O & Peripheral Pin PA9 (USB, UART, I2C, PWM) |
| E1 | PH1 - OSC_OUT | I/O | Multiplexed I/O & Peripheral Pin PH1 - OSC_OUT (RTC/CLK) |
| E2 | PF3 | I/O | Multiplexed I/O & Peripheral Pin PF3 (PWM) |
| E3 | PF4 | I/O | Multiplexed I/O & Peripheral Pin PF4 (PWM) |
| E4 | PF5 | I/O | Multiplexed I/O & Peripheral Pin PF5 (PWM) |
| E5 | PDR_ON | I/O | Multiplexed I/O & Peripheral Pin PDR_ON (General) |
| E6 | VSS | GND | Ground Reference Pin (VSS) |
| E7 | VSS | GND | Ground Reference Pin (VSS) |
| E8 | PG9 | I/O | Multiplexed I/O & Peripheral Pin PG9 (UART) |
| E9 | PD2 | I/O | Multiplexed I/O & Peripheral Pin PD2 (General) |
| E10 | PD0 | I/O | Multiplexed I/O & Peripheral Pin PD0 (CAN) |
| E11 | PC9 | I/O | Multiplexed I/O & Peripheral Pin PC9 (PWM, RTC/CLK) |
| E12 | PA8 | I/O | Multiplexed I/O & Peripheral Pin PA8 (USB, UART, I2C, RTC/CLK) |
| F1 | NRST | I | System Enable & Hardware Reset (NRST) |
| F2 | PF7 | I/O | Multiplexed I/O & Peripheral Pin PF7 (General) |
| F3 | PF6 | I/O | Multiplexed I/O & Peripheral Pin PF6 (General) |
| F4 | VDD | Power | Power Supply Input (VDD — 3.3V VDD (Max 4.0V)) |
| F5 | VDD | Power | Power Supply Input (VDD — 3.3V VDD (Max 4.0V)) |
| F6 | VDD | Power | Power Supply Input (VDD — 3.3V VDD (Max 4.0V)) |
| F7 | VDD | Power | Power Supply Input (VDD — 3.3V VDD (Max 4.0V)) |
| F8 | VDD | Power | Power Supply Input (VDD — 3.3V VDD (Max 4.0V)) |
| F9 | VDD | Power | Power Supply Input (VDD — 3.3V VDD (Max 4.0V)) |
| F10 | VDD | Power | Power Supply Input (VDD — 3.3V VDD (Max 4.0V)) |
| F11 | PC8 | I/O | Multiplexed I/O & Peripheral Pin PC8 (UART, PWM) |
| F12 | PC7 | I/O | Multiplexed I/O & Peripheral Pin PC7 (UART, SPI, I2C, PWM) |
| G1 | PF10 | I/O | Multiplexed I/O & Peripheral Pin PF10 (General) |
| G2 | PF9 | I/O | Multiplexed I/O & Peripheral Pin PF9 (General) |
| G3 | PF8 | I/O | Multiplexed I/O & Peripheral Pin PF8 (General) |
| G4 | VSS | GND | Ground Reference Pin (VSS) |
| G5 | VDD | Power | Power Supply Input (VDD — 3.3V VDD (Max 4.0V)) |
| G6 | VDD | Power | Power Supply Input (VDD — 3.3V VDD (Max 4.0V)) |
| G7 | VDD | Power | Power Supply Input (VDD — 3.3V VDD (Max 4.0V)) |
| G8 | VSS | GND | Ground Reference Pin (VSS) |
| G9 | VCAP_2 | I/O | Multiplexed I/O & Peripheral Pin VCAP_2 (General) |
| G10 | VSS | GND | Ground Reference Pin (VSS) |
| G11 | PG8 | I/O | Multiplexed I/O & Peripheral Pin PG8 (UART) |
| G12 | PC6 | I/O | Multiplexed I/O & Peripheral Pin PC6 (UART, I2C, PWM) |
| H1 | PC0 | I/O | Multiplexed I/O & Peripheral Pin PC0 (ADC) |
| H2 | PC1 | I/O | Multiplexed I/O & Peripheral Pin PC1 (ADC) |
| H3 | PC2 | I/O | Multiplexed I/O & Peripheral Pin PC2 (SPI, ADC) |
| H4 | PC3 | I/O | Multiplexed I/O & Peripheral Pin PC3 (SPI, ADC) |
| H5 | BYPASS_ REG | I/O | Multiplexed I/O & Peripheral Pin BYPASS_ REG (General) |
| H6 | VSS | GND | Ground Reference Pin (VSS) |
| H7 | VCAP_1 | I/O | Multiplexed I/O & Peripheral Pin VCAP_1 (General) |
| H8 | PE11 | I/O | Multiplexed I/O & Peripheral Pin PE11 (SPI, PWM) |
| H9 | PD11 | I/O | Multiplexed I/O & Peripheral Pin PD11 (UART, I2C) |
| H10 | PG7 | I/O | Multiplexed I/O & Peripheral Pin PG7 (UART) |
| H11 | PG6 | I/O | Multiplexed I/O & Peripheral Pin PG6 (General) |
| H12 | PG5 | I/O | Multiplexed I/O & Peripheral Pin PG5 (General) |
| J1 | VSSA | GND | Ground Reference Pin (VSSA) |
| J2 | PA0 | I/O | Multiplexed I/O & Peripheral Pin PA0 (UART, ADC, PWM) |
| J3 | PA4 | I/O | Multiplexed I/O & Peripheral Pin PA4 (UART, SPI, ADC) |
| J4 | PC4 | I/O | Multiplexed I/O & Peripheral Pin PC4 (ADC) |
| J5 | PB2 | I/O | Multiplexed I/O & Peripheral Pin PB2 (General) |
| J6 | PG1 | I/O | Multiplexed I/O & Peripheral Pin PG1 (CAN) |
| J7 | PE10 | I/O | Multiplexed I/O & Peripheral Pin PE10 (PWM) |
| J8 | PE12 | I/O | Multiplexed I/O & Peripheral Pin PE12 (SPI, PWM) |
| J9 | PD10 | I/O | Multiplexed I/O & Peripheral Pin PD10 (UART) |
| J10 | PG4 | I/O | Multiplexed I/O & Peripheral Pin PG4 (General) |
| J11 | PG3 | I/O | Multiplexed I/O & Peripheral Pin PG3 (General) |
| J12 | PG2 | I/O | Multiplexed I/O & Peripheral Pin PG2 (General) |
| K1 | VREF - | Analog | Multiplexed I/O & Peripheral Pin VREF - (General) |
| K2 | PA1 | I/O | Multiplexed I/O & Peripheral Pin PA1 (UART, SPI, ADC, PWM) |
| K3 | PA5 | I/O | Multiplexed I/O & Peripheral Pin PA5 (SPI, ADC, PWM) |
| K4 | PC5 | I/O | Multiplexed I/O & Peripheral Pin PC5 (UART, I2C, ADC) |
| K5 | PF13 | I/O | Multiplexed I/O & Peripheral Pin PF13 (I2C) |
| K6 | PG0 | I/O | Multiplexed I/O & Peripheral Pin PG0 (CAN) |
| K7 | PE9 | I/O | Multiplexed I/O & Peripheral Pin PE9 (PWM) |
| K8 | PE13 | I/O | Multiplexed I/O & Peripheral Pin PE13 (SPI, PWM) |
| K9 | PD9 | I/O | Multiplexed I/O & Peripheral Pin PD9 (UART) |
| K10 | PD13 | I/O | Multiplexed I/O & Peripheral Pin PD13 (I2C, PWM) |
| K11 | PD14 | I/O | Multiplexed I/O & Peripheral Pin PD14 (I2C, PWM) |
| K12 | PD15 | I/O | Multiplexed I/O & Peripheral Pin PD15 (I2C, PWM) |
| L1 | VREF+ | Analog | Multiplexed I/O & Peripheral Pin VREF+ (General) |
| L2 | PA2 | I/O | Multiplexed I/O & Peripheral Pin PA2 (UART, ADC, PWM) |
| L3 | PA6 | I/O | Multiplexed I/O & Peripheral Pin PA6 (SPI, ADC) |
| L4 | PB0 | I/O | Multiplexed I/O & Peripheral Pin PB0 (SPI, ADC, PWM) |
| L5 | PF12 | I/O | Multiplexed I/O & Peripheral Pin PF12 (General) |
| L6 | PF15 | I/O | Multiplexed I/O & Peripheral Pin PF15 (I2C) |
| L7 | PE8 | I/O | Multiplexed I/O & Peripheral Pin PE8 (PWM) |
| L8 | PE14 | I/O | Multiplexed I/O & Peripheral Pin PE14 (SPI, PWM) |
| L9 | PD8 | I/O | Multiplexed I/O & Peripheral Pin PD8 (UART) |
| L10 | PD12 | I/O | Multiplexed I/O & Peripheral Pin PD12 (UART, I2C, PWM) |
| L11 | PB14 | I/O | Multiplexed I/O & Peripheral Pin PB14 (UART, SPI, I2C, PWM) |
| L12 | PB15 | I/O | Multiplexed I/O & Peripheral Pin PB15 (SPI, I2C, PWM, RTC/CLK) |
| M1 | VDDA | Power | Power Supply Input (VDDA — 3.3V VDD (Max 4.0V)) |
| M2 | PA3 | I/O | Multiplexed I/O & Peripheral Pin PA3 (UART, ADC, PWM) |
| M3 | PA7 | I/O | Multiplexed I/O & Peripheral Pin PA7 (SPI, ADC, PWM) |
| M4 | PB1 | I/O | Multiplexed I/O & Peripheral Pin PB1 (SPI, ADC, PWM) |
| M5 | PF11 | I/O | Multiplexed I/O & Peripheral Pin PF11 (General) |
| M6 | PF14 | I/O | Multiplexed I/O & Peripheral Pin PF14 (I2C) |
| M7 | PE7 | I/O | Multiplexed I/O & Peripheral Pin PE7 (General) |
| M8 | PE15 | I/O | Multiplexed I/O & Peripheral Pin PE15 (General) |
| M9 | PB10 | I/O | Multiplexed I/O & Peripheral Pin PB10 (UART, SPI, I2C, PWM) |
| M10 | PB11 | I/O | Multiplexed I/O & Peripheral Pin PB11 (UART, PWM) |
| M11 | PB12 | I/O | Multiplexed I/O & Peripheral Pin PB12 (UART, SPI, I2C, CAN) |
| M12 | PB13 | I/O | Multiplexed I/O & Peripheral Pin PB13 (UART, SPI, I2C, PWM, CAN) |
| Designator / Replacement MPN | Value / Package | Function & PCB Layout Rule |
|---|---|---|
| N/A BOM | Per application circuit UFBGA-144 | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Manufactured by ST, the STM32F412ZGJ6 is housed in a UFBGA-144 package with 144 pins and a 0.80 mm lead pitch, supporting a VCC supply range of 1.7 V to 3.6 V. Key pins include: A1 (PC13: Multiplexed I/O & Peripheral Pin PC13 (General)), A2 (PE3: Multiplexed I/O & Peripheral Pin PE3 (General)), A3 (PE2: Multiplexed I/O & Peripheral Pin PE2 (SPI)), A4 (PE1: Multiplexed I/O & Peripheral Pin PE1 (General)), A5 (PE0: Multiplexed I/O & Peripheral Pin PE0 (General)), A6 (PB4: Multiplexed I/O & Peripheral Pin PB4 (SPI)).
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), STM32F412ZGJ6 (UFBGA-144) has a nominal body envelope of 10.00 × 10.00 mm, pitch e = 0.80 mm, and 144 copper pads.
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for STM32F412ZGJ6 (ST, UFBGA-144) directly on this page, including KiCad 8 Footprints (.kicad_mod), Schematic Symbols (.kicad_sym), Autodesk Fusion 360 / Eagle (.lbr), and 3D STEP AP214 / WebGL GLB models.
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| A1 | PC13 | Digital_IO | Signal terminal PC13 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC13. Supported peripheral buses: General. |
| A2 | PE3 | Digital_IO | Signal terminal PE3 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PE3. Supported peripheral buses: General. |
| A3 | PE2 | Digital_IO | Signal terminal PE2 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI4_SCK, SPI5_SCK. Supported peripheral buses: SPI. |
| A4 | PE1 | Digital_IO | Signal terminal PE1 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PE1. Supported peripheral buses: General. |
| A5 | PE0 | Digital_IO | Signal terminal PE0 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PE0. Supported peripheral buses: General. |
| A6 | PB4 | Digital_IO | Signal terminal PB4 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_MISO, SPI3_MISO. Supported peripheral buses: SPI. |
| A7 | PB3 | Digital_IO | Signal terminal PB3 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_SCK, SPI3_SCK, I2C2_SDAEVENTOUT. Supported peripheral buses: UART, SPI, I2C, PWM, SWD/JTAG. |
| A8 | PD6 | Digital_IO | Signal terminal PD6 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI3_MOSI. Supported peripheral buses: UART, SPI. |
| A9 | PD7 | Digital_IO | Signal terminal PD7 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PD7. Supported peripheral buses: UART. |
| A10 | PA15 | Digital_IO | Signal terminal PA15 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI1_NSS, SPI3_NSS. Supported peripheral buses: UART, SPI, SWD/JTAG. |
| A11 | PA14 | Digital_IO | Signal terminal PA14 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA14. Supported peripheral buses: SWD/JTAG. |
| A12 | PA13 | Digital_IO | Signal terminal PA13 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA13. Supported peripheral buses: SWD/JTAG. |
| B1 | PC14 - OSC32_IN | Digital_IO | Signal terminal PC14 - OSC32_IN (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC14 - OSC32_IN. Supported peripheral buses: RTC/CLK. |
| B2 | PE4 | Digital_IO | Signal terminal PE4 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI4_NSS, SPI5_NSS. Supported peripheral buses: SPI. |
| B3 | PE5 | Digital_IO | Signal terminal PE5 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI4_MISO, SPI5_MISO. Supported peripheral buses: SPI. |
| B4 | PE6 | Digital_IO | Signal terminal PE6 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI4_MOSI, SPI5_MOSI. Supported peripheral buses: SPI. |
| B5 | PB9 | Digital_IO | Signal terminal PB9 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_NSS. Supported peripheral buses: SPI, PWM, CAN. |
| B6 | PB5 | Digital_IO | Signal terminal PB5 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C1_SMBA, SPI1_MOSI, SPI3_MOSI. Supported peripheral buses: SPI, I2C, PWM, CAN. |
| B7 | PG15 | Digital_IO | Signal terminal PG15 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PG15. Supported peripheral buses: UART. |
| B8 | PG12 | Digital_IO | Signal terminal PG12 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PG12. Supported peripheral buses: UART, CAN. |
| B9 | PD5 | Digital_IO | Signal terminal PD5 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PD5. Supported peripheral buses: UART. |
| B10 | PC11 | Digital_IO | Signal terminal PC11 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI3_MISO. Supported peripheral buses: UART, SPI. |
| B11 | PC10 | Digital_IO | Signal terminal PC10 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI3_SCK. Supported peripheral buses: UART, SPI. |
| B12 | PA12 | Digital_IO | Signal terminal PA12 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA12. Supported peripheral buses: USB, UART, CAN. |
| C1 | PC15 - OSC32_ OUT | Digital_IO | Signal terminal PC15 - OSC32_ OUT (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC15 - OSC32_ OUT. Supported peripheral buses: RTC/CLK. |
| C2 | VBAT | Power_In | Primary positive power supply input (VBAT) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V). |
| C3 | PF0 | Digital_IO | Signal terminal PF0 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PF0. Supported peripheral buses: I2C. |
| C4 | PF1 | Digital_IO | Signal terminal PF1 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PF1. Supported peripheral buses: I2C. |
| C5 | PB8 | Digital_IO | Signal terminal PB8 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI5_MOSI. Supported peripheral buses: SPI, PWM, CAN. |
| C6 | PB6 | Digital_IO | Signal terminal PB6 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PB6. Supported peripheral buses: UART, PWM, CAN. |
| C7 | PG14 | Digital_IO | Signal terminal PG14 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PG14. Supported peripheral buses: UART. |
| C8 | PG11 | Digital_IO | Signal terminal PG11 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PG11. Supported peripheral buses: CAN. |
| C9 | PD4 | Digital_IO | Signal terminal PD4 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PD4. Supported peripheral buses: UART. |
| C10 | PC12 | Digital_IO | Signal terminal PC12 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI3_MOSI. Supported peripheral buses: UART, SPI. |
| C11 | VDDUSB | Power_In | Primary positive power supply input (VDDUSB) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V). |
| C12 | PA11 | Digital_IO | Signal terminal PA11 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PA11. Supported peripheral buses: USB, UART, PWM, CAN. |
| D1 | PH0 - OSC_IN | Digital_IO | Signal terminal PH0 - OSC_IN (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PH0 - OSC_IN. Supported peripheral buses: RTC/CLK. |
| D2 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| D3 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V). |
| D4 | PF2 | Digital_IO | Signal terminal PF2 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PF2. Supported peripheral buses: I2C. |
| D5 | BOOT0 | Digital_IO | Signal terminal BOOT0 (I, 3.3V VDD (Max 4.0V) domain). Multiplexed alternate functions: BOOT0. Supported peripheral buses: General. |
| D6 | PB7 | Digital_IO | Signal terminal PB7 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PB7. Supported peripheral buses: UART, PWM. |
| D7 | PG13 | Digital_IO | Signal terminal PG13 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PG13. Supported peripheral buses: UART. |
| D8 | PG10 | Digital_IO | Signal terminal PG10 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PG10. Supported peripheral buses: General. |
| D9 | PD3 | Digital_IO | Signal terminal PD3 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI2_SCK. Supported peripheral buses: UART, SPI. |
| D10 | PD1 | Digital_IO | Signal terminal PD1 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PD1. Supported peripheral buses: CAN. |
| D11 | PA10 | Digital_IO | Signal terminal PA10 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: SPI5_MOSI. Supported peripheral buses: USB, UART, SPI, PWM. |
| D12 | PA9 | Digital_IO | Signal terminal PA9 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C3_SMBA. Supported peripheral buses: USB, UART, I2C, PWM. |
| E1 | PH1 - OSC_OUT | Digital_IO | Signal terminal PH1 - OSC_OUT (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PH1 - OSC_OUT. Supported peripheral buses: RTC/CLK. |
| E2 | PF3 | Digital_IO | Signal terminal PF3 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PF3. Supported peripheral buses: PWM. |
| E3 | PF4 | Digital_IO | Signal terminal PF4 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PF4. Supported peripheral buses: PWM. |
| E4 | PF5 | Digital_IO | Signal terminal PF5 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PF5. Supported peripheral buses: PWM. |
| E5 | PDR_ON | Digital_IO | Signal terminal PDR_ON (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PDR_ON. Supported peripheral buses: General. |
| E6 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| E7 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| E8 | PG9 | Digital_IO | Signal terminal PG9 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PG9. Supported peripheral buses: UART. |
| E9 | PD2 | Digital_IO | Signal terminal PD2 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PD2. Supported peripheral buses: General. |
| E10 | PD0 | Digital_IO | Signal terminal PD0 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PD0. Supported peripheral buses: CAN. |
| E11 | PC9 | Digital_IO | Signal terminal PC9 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PC9. Supported peripheral buses: PWM, RTC/CLK. |
| E12 | PA8 | Digital_IO | Signal terminal PA8 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: I2C3_SCL. Supported peripheral buses: USB, UART, I2C, RTC/CLK. |
| F1 | NRST | Digital_IO | Active-low hardware reset terminal (NRST): pulling this pin Low resets the processor core and peripherals. |
| F2 | PF7 | Digital_IO | Signal terminal PF7 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PF7. Supported peripheral buses: General. |
| F3 | PF6 | Digital_IO | Signal terminal PF6 (I/O, 3.3V VDD (5V-Tolerant FT) domain). Multiplexed alternate functions: PF6. Supported peripheral buses: General. |
| F4 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 3.3V VDD (Max 4.0V) domain (Max rating: 4.0V). |