| A1 | PE3 | I/O | Multiplexed I/O & Peripheral Pin PE3 (General) |
| A2 | PE1 | I/O | Multiplexed I/O & Peripheral Pin PE1 (General) |
| A3 | PB8 | I/O | Multiplexed I/O & Peripheral Pin PB8 (General) |
| A4 | BOOT0 | I | Input-Only Pin BOOT0 (General) |
| A5 | PD7 | I/O | Multiplexed I/O & Peripheral Pin PD7 (General) |
| A6 | PD5 | I/O | Multiplexed I/O & Peripheral Pin PD5 (General) |
| A7 | PB4 | I/O | Multiplexed I/O & Peripheral Pin PB4 (General) |
| A8 | PB3 | I/O | Multiplexed I/O & Peripheral Pin PB3 (General) |
| A9 | PA15 | I/O | Multiplexed I/O & Peripheral Pin PA15 (General) |
| A10 | PA14 | I/O | Multiplexed I/O & Peripheral Pin PA14 (General) |
| A11 | PA13 | I/O | Multiplexed I/O & Peripheral Pin PA13 (General) |
| A12 | PA12 | I/O | Multiplexed I/O & Peripheral Pin PA12 (General) |
| B1 | PE4 | I/O | Multiplexed I/O & Peripheral Pin PE4 (General) |
| B2 | PE2 | I/O | Multiplexed I/O & Peripheral Pin PE2 (General) |
| B3 | PB9 | I/O | Multiplexed I/O & Peripheral Pin PB9 (General) |
| B4 | PB7 | I/O | Multiplexed I/O & Peripheral Pin PB7 (General) |
| B5 | PB6 | I/O | Multiplexed I/O & Peripheral Pin PB6 (General) |
| B6 | PD6 | I/O | Multiplexed I/O & Peripheral Pin PD6 (General) |
| B7 | PD4 | I/O | Multiplexed I/O & Peripheral Pin PD4 (General) |
| B8 | PD3 | I/O | Multiplexed I/O & Peripheral Pin PD3 (General) |
| B9 | PD1 | I/O | Multiplexed I/O & Peripheral Pin PD1 (General) |
| B10 | PC12 | I/O | Multiplexed I/O & Peripheral Pin PC12 (General) |
| B11 | PC10 | I/O | Multiplexed I/O & Peripheral Pin PC10 (General) |
| B12 | PA11 | I/O | Multiplexed I/O & Peripheral Pin PA11 (General) |
| C1 | PC13 | I/O | Multiplexed I/O & Peripheral Pin PC13 (General) |
| C2 | PE5 | I/O | Multiplexed I/O & Peripheral Pin PE5 (General) |
| C3 | PE0 | I/O | Multiplexed I/O & Peripheral Pin PE0 (General) |
| C4 | VDD_1 | Power | Power Supply Input (VDD_1 — 3.3V VDD (Max 4.0V)) |
| C5 | PB5 | I/O | Multiplexed I/O & Peripheral Pin PB5 (General) |
| C8 | PD2 | I/O | Multiplexed I/O & Peripheral Pin PD2 (General) |
| C9 | PD0 | I/O | Multiplexed I/O & Peripheral Pin PD0 (General) |
| C10 | PC11 | I/O | Multiplexed I/O & Peripheral Pin PC11 (General) |
| C11 | PF6 | I/O | Multiplexed I/O & Peripheral Pin PF6 (General) |
| C12 | PA10 | I/O | Multiplexed I/O & Peripheral Pin PA10 (General) |
| D1 | PC14-OSC32_IN | I/O | Multiplexed I/O & Peripheral Pin PC14-OSC32_IN (RTC/CLK) |
| D2 | PE6 | I/O | Multiplexed I/O & Peripheral Pin PE6 (General) |
| D3 | VSS_1 | GND | Ground Reference Pin (VSS_1) |
| D10 | PA9 | I/O | Multiplexed I/O & Peripheral Pin PA9 (General) |
| D11 | PA8 | I/O | Multiplexed I/O & Peripheral Pin PA8 (General) |
| D12 | PC9 | I/O | Multiplexed I/O & Peripheral Pin PC9 (General) |
| E1 | PC15-OSC32_OUT | I/O | Multiplexed I/O & Peripheral Pin PC15-OSC32_OUT (RTC/CLK) |
| E2 | VBAT | Power | Power Supply Input (VBAT — 3.3V VDD (Max 4.0V)) |
| E3 | PF4 | I/O | Multiplexed I/O & Peripheral Pin PF4 (General) |
| E10 | PC8 | I/O | Multiplexed I/O & Peripheral Pin PC8 (General) |
| E11 | PC7 | I/O | Multiplexed I/O & Peripheral Pin PC7 (General) |
| E12 | PC6 | I/O | Multiplexed I/O & Peripheral Pin PC6 (General) |
| F1 | PF0-OSC_IN | I/O | Multiplexed I/O & Peripheral Pin PF0-OSC_IN (RTC/CLK) |
| F2 | PF9 | I/O | Multiplexed I/O & Peripheral Pin PF9 (General) |
| F11 | VSS_3 | GND | Ground Reference Pin (VSS_3) |
| F12 | VSSSD | GND | Ground Reference Pin (VSSSD) |
| G1 | PF1-OSC_OUT | I/O | Multiplexed I/O & Peripheral Pin PF1-OSC_OUT (RTC/CLK) |
| G2 | PF10 | I/O | Multiplexed I/O & Peripheral Pin PF10 (General) |
| G11 | VDD_3 | Power | Power Supply Input (VDD_3 — 3.3V VDD (Max 4.0V)) |
| G12 | VDDSD12 | Power | Power Supply Input (VDDSD12 — 3.3V VDD (Max 4.0V)) |
| H1 | PC0 | I/O | Multiplexed I/O & Peripheral Pin PC0 (General) |
| H2 | NRST | I | System Enable & Hardware Reset (NRST) |
| H3 | VDD_2 | Power | Power Supply Input (VDD_2 — 3.3V VDD (Max 4.0V)) |
| H10 | PD15 | I/O | Multiplexed I/O & Peripheral Pin PD15 (General) |
| H11 | PD14 | I/O | Multiplexed I/O & Peripheral Pin PD14 (General) |
| H12 | PD13 | I/O | Multiplexed I/O & Peripheral Pin PD13 (General) |
| J1 | PF2 | I/O | Multiplexed I/O & Peripheral Pin PF2 (General) |
| J2 | PC1 | I/O | Multiplexed I/O & Peripheral Pin PC1 (General) |
| J3 | PC2 | I/O | Multiplexed I/O & Peripheral Pin PC2 (General) |
| J10 | PD12 | I/O | Multiplexed I/O & Peripheral Pin PD12 (General) |
| J11 | PD11 | I/O | Multiplexed I/O & Peripheral Pin PD11 (General) |
| J12 | PD10 | I/O | Multiplexed I/O & Peripheral Pin PD10 (General) |
| K1 | VSSA/VREF- | GND | Ground Reference Pin (VSSA/VREF-) |
| K2 | PC3 | I/O | Multiplexed I/O & Peripheral Pin PC3 (General) |
| K3 | PA2 | I/O | Multiplexed I/O & Peripheral Pin PA2 (General) |
| K4 | PA5 | I/O | Multiplexed I/O & Peripheral Pin PA5 (General) |
| K5 | PC4 | I/O | Multiplexed I/O & Peripheral Pin PC4 (General) |
| K8 | PD9 | I/O | Multiplexed I/O & Peripheral Pin PD9 (General) |
| K9 | PD8 | I/O | Multiplexed I/O & Peripheral Pin PD8 (General) |
| K10 | PB15 | I/O | Multiplexed I/O & Peripheral Pin PB15 (General) |
| K11 | PB14 | I/O | Multiplexed I/O & Peripheral Pin PB14 (General) |
| K12 | VREFSD+ | I/O | Multiplexed I/O & Peripheral Pin VREFSD+ (General) |
| L1 | VREF+ | I/O | Multiplexed I/O & Peripheral Pin VREF+ (General) |
| L2 | PA0 | I/O | Multiplexed I/O & Peripheral Pin PA0 (General) |
| L3 | PA3 | I/O | Multiplexed I/O & Peripheral Pin PA3 (General) |
| L4 | PA6 | I/O | Multiplexed I/O & Peripheral Pin PA6 (General) |
| L5 | PC5 | I/O | Multiplexed I/O & Peripheral Pin PC5 (General) |
| L6 | PB2 | I/O | Multiplexed I/O & Peripheral Pin PB2 (General) |
| L7 | PE8 | I/O | Multiplexed I/O & Peripheral Pin PE8 (General) |
| L8 | PE10 | I/O | Multiplexed I/O & Peripheral Pin PE10 (General) |
| L9 | PE12 | I/O | Multiplexed I/O & Peripheral Pin PE12 (General) |
| L10 | PB10 | I/O | Multiplexed I/O & Peripheral Pin PB10 (General) |
| L11 | VREFSD- | I/O | Multiplexed I/O & Peripheral Pin VREFSD- (General) |
| L12 | VDDSD3 | Power | Power Supply Input (VDDSD3 — 3.3V VDD (Max 4.0V)) |
| M1 | VDDA | Power | Power Supply Input (VDDA — 3.3V VDD (Max 4.0V)) |
| M2 | PA1 | I/O | Multiplexed I/O & Peripheral Pin PA1 (General) |
| M3 | PA4 | I/O | Multiplexed I/O & Peripheral Pin PA4 (General) |
| M4 | PA7 | I/O | Multiplexed I/O & Peripheral Pin PA7 (General) |
| M5 | PB0 | I/O | Multiplexed I/O & Peripheral Pin PB0 (General) |
| M6 | PB1 | I/O | Multiplexed I/O & Peripheral Pin PB1 (General) |
| M7 | PE7 | I/O | Multiplexed I/O & Peripheral Pin PE7 (General) |
| M8 | PE9 | I/O | Multiplexed I/O & Peripheral Pin PE9 (General) |
| M9 | PE11 | I/O | Multiplexed I/O & Peripheral Pin PE11 (General) |
| M10 | PE13 | I/O | Multiplexed I/O & Peripheral Pin PE13 (General) |
| M11 | PE14 | I/O | Multiplexed I/O & Peripheral Pin PE14 (General) |
| M12 | PE15 | I/O | Multiplexed I/O & Peripheral Pin PE15 (General) |