| 1 | VBAT | Power | Power Supply Input (VBAT — 3.3V / 5.0V Standard Logic) |
| 2 | PC13 - TAMPER RTC(2) - | I/O | Multiplexed I/O & Peripheral Pin PC13 - TAMPER RTC(2) - (RTC/CLK) |
| 3 | PE4 | I/O | Multiplexed I/O & Peripheral Pin PE4 (General) |
| 4 | PE5 | I/O | Multiplexed I/O & Peripheral Pin PE5 (General) |
| 5 | PE6 | I/O | Multiplexed I/O & Peripheral Pin PE6 (General) |
| 6 | VBAT | Power | Power Supply Input (VBAT — 3.3V / 5.0V Standard Logic) |
| 7 | PC13 - TAMPER RTC(2) - | I/O | Multiplexed I/O & Peripheral Pin PC13 - TAMPER RTC(2) - (RTC/CLK) |
| 8 | PC14 - OSC32 IN(2)_ | I/O | Multiplexed I/O & Peripheral Pin PC14 - OSC32 IN(2)_ (RTC/CLK) |
| 9 | PC15 - OSC32 OUT(2)_ | I/O | Multiplexed I/O & Peripheral Pin PC15 - OSC32 OUT(2)_ (RTC/CLK) |
| 10 | VSS_5 | GND | Ground Reference Pin (VSS_5) |
| 11 | VDD_5 | Power | Power Supply Input (VDD_5 — 3.3V / 5.0V Standard Logic) |
| 12 | OSC_IN | I/O | Multiplexed I/O & Peripheral Pin OSC_IN (RTC/CLK) |
| 13 | OSC_OUT | I/O | Multiplexed I/O & Peripheral Pin OSC_OUT (RTC/CLK) |
| 14 | NRST | I | System Enable & Hardware Reset (NRST) |
| 15 | PC0 | I/O | Multiplexed I/O & Peripheral Pin PC0 (General) |
| 16 | PC1 | I/O | Multiplexed I/O & Peripheral Pin PC1 (General) |
| 17 | PC2 | I/O | Multiplexed I/O & Peripheral Pin PC2 (General) |
| 18 | PC3/ADC13 | I/O | Multiplexed I/O & Peripheral Pin PC3/ADC13 (ADC) |
| 19 | VSSA | GND | Ground Reference Pin (VSSA) |
| 20 | VREF- | Analog | Multiplexed I/O & Peripheral Pin VREF- (General) |
| 21 | VREF+ | Analog | Multiplexed I/O & Peripheral Pin VREF+ (General) |
| 22 | VDDA | Power | Power Supply Input (VDDA — 3.3V / 5.0V Standard Logic) |
| 23 | PA0/WKUP/ADC0 | I/O | Multiplexed I/O & Peripheral Pin PA0/WKUP/ADC0 (ADC) |
| 24 | PA1/ADC1 | I/O | Multiplexed I/O & Peripheral Pin PA1/ADC1 (ADC) |
| 25 | PA2/ADC2 | I/O | Multiplexed I/O & Peripheral Pin PA2/ADC2 (ADC) |
| 26 | PA3/ADC3 | I/O | Multiplexed I/O & Peripheral Pin PA3/ADC3 (ADC) |
| 27 | VSS_4 | GND | Ground Reference Pin (VSS_4) |
| 28 | VDD_4 | Power | Power Supply Input (VDD_4 — 3.3V / 5.0V Standard Logic) |
| 29 | PA4/ADC4/DAC0 | I/O | Multiplexed I/O & Peripheral Pin PA4/ADC4/DAC0 (ADC, DAC) |
| 30 | PA5/ADC5/DAC1 | I/O | Multiplexed I/O & Peripheral Pin PA5/ADC5/DAC1 (ADC, DAC) |
| 31 | PA6/ADC6 | I/O | Multiplexed I/O & Peripheral Pin PA6/ADC6 (ADC) |
| 32 | PA7/ADC7 | I/O | Multiplexed I/O & Peripheral Pin PA7/ADC7 (ADC) |
| 33 | PC4/ADC14 | I/O | Multiplexed I/O & Peripheral Pin PC4/ADC14 (ADC) |
| 34 | PC5/ADC15 | I/O | Multiplexed I/O & Peripheral Pin PC5/ADC15 (ADC) |
| 35 | PB0/ADC8 | I/O | Multiplexed I/O & Peripheral Pin PB0/ADC8 (ADC) |
| 36 | PB1/ADC9 | I/O | Multiplexed I/O & Peripheral Pin PB1/ADC9 (ADC) |
| 37 | PB2/BOOT1 | I/O | Multiplexed I/O & Peripheral Pin PB2/BOOT1 (General) |
| 38 | PE7 | I/O | Multiplexed I/O & Peripheral Pin PE7 (General) |
| 39 | PE8 | I/O | Multiplexed I/O & Peripheral Pin PE8 (General) |
| 40 | PE9 | I/O | Multiplexed I/O & Peripheral Pin PE9 (General) |
| 41 | PE10 | I/O | Multiplexed I/O & Peripheral Pin PE10 (General) |
| 42 | PE11 | I/O | Multiplexed I/O & Peripheral Pin PE11 (General) |
| 43 | PE12 | I/O | Multiplexed I/O & Peripheral Pin PE12 (General) |
| 44 | PE13 | I/O | Multiplexed I/O & Peripheral Pin PE13 (General) |
| 45 | PE14 | I/O | Multiplexed I/O & Peripheral Pin PE14 (General) |
| 46 | PE15 | I/O | Multiplexed I/O & Peripheral Pin PE15 (General) |
| 47 | PB10 | I/O | Multiplexed I/O & Peripheral Pin PB10 (General) |
| 48 | PB11 | I/O | Multiplexed I/O & Peripheral Pin PB11 (General) |
| 49 | VSS_1 | GND | Exposed Thermal & Ground Pad (VSS_1) |
| 50 | VIO_1 | I/O | Multiplexed I/O & Peripheral Pin VIO_1 (General) |
| 51 | PB12 | I/O | Multiplexed I/O & Peripheral Pin PB12 (General) |
| 52 | PB13 | I/O | Multiplexed I/O & Peripheral Pin PB13 (General) |
| 53 | PB14 | I/O | Multiplexed I/O & Peripheral Pin PB14 (General) |
| 54 | PB15 | I/O | Multiplexed I/O & Peripheral Pin PB15 (General) |
| 55 | PD8 | I/O | Multiplexed I/O & Peripheral Pin PD8 (General) |
| 56 | PD9 | I/O | Multiplexed I/O & Peripheral Pin PD9 (General) |
| 57 | PD10 | I/O | Multiplexed I/O & Peripheral Pin PD10 (General) |
| 58 | PD11 | I/O | Multiplexed I/O & Peripheral Pin PD11 (General) |
| 59 | PD12 | I/O | Multiplexed I/O & Peripheral Pin PD12 (General) |
| 60 | PD13 | I/O | Multiplexed I/O & Peripheral Pin PD13 (General) |
| 61 | PD14 | I/O | Multiplexed I/O & Peripheral Pin PD14 (General) |
| 62 | PD15 | I/O | Multiplexed I/O & Peripheral Pin PD15 (General) |
| 63 | PC6/RXP | I/O | Multiplexed I/O & Peripheral Pin PC6/RXP (General) |
| 64 | PC7/RXN | I/O | Multiplexed I/O & Peripheral Pin PC7/RXN (General) |
| 65 | PC8/TXP | I/O | Multiplexed I/O & Peripheral Pin PC8/TXP (General) |
| 66 | PC9/TXN | I/O | Multiplexed I/O & Peripheral Pin PC9/TXN (General) |
| 67 | PA8 | I/O | Multiplexed I/O & Peripheral Pin PA8 (General) |
| 68 | PA9 | I/O | Multiplexed I/O & Peripheral Pin PA9 (General) |
| 69 | PA10 | I/O | Multiplexed I/O & Peripheral Pin PA10 (General) |
| 70 | PA11/USB1DM | I/O | Multiplexed I/O & Peripheral Pin PA11/USB1DM (USB) |
| 71 | PA12/USB1DP | I/O | Multiplexed I/O & Peripheral Pin PA12/USB1DP (USB) |
| 72 | PA13/SWDIO | I/O | Multiplexed I/O & Peripheral Pin PA13/SWDIO (SWD/JTAG) |
| 73 | NC | I/O | Multiplexed I/O & Peripheral Pin NC (General) |
| 74 | VSS_2 | GND | Ground Reference Pin (VSS_2) |
| 75 | VDD_2 | Power | Power Supply Input (VDD_2 — 3.3V / 5.0V Standard Logic) |
| 76 | PA14/SWCLK | I/O | Multiplexed I/O & Peripheral Pin PA14/SWCLK (SWD/JTAG) |
| 77 | PA15 | I/O | Multiplexed I/O & Peripheral Pin PA15 (General) |
| 78 | PC10 | I/O | Multiplexed I/O & Peripheral Pin PC10 (General) |
| 79 | PC11 | I/O | Multiplexed I/O & Peripheral Pin PC11 (General) |
| 80 | PC12 | I/O | Multiplexed I/O & Peripheral Pin PC12 (General) |
| 81 | PD0 | I/O | Multiplexed I/O & Peripheral Pin PD0 (General) |
| 82 | PD1 | I/O | Multiplexed I/O & Peripheral Pin PD1 (General) |
| 83 | PD2 | I/O | Multiplexed I/O & Peripheral Pin PD2 (General) |
| 84 | PD3 | I/O | Multiplexed I/O & Peripheral Pin PD3 (General) |
| 85 | PD4 | I/O | Multiplexed I/O & Peripheral Pin PD4 (General) |
| 86 | PD5 | I/O | Multiplexed I/O & Peripheral Pin PD5 (General) |
| 87 | PD6 | I/O | Multiplexed I/O & Peripheral Pin PD6 (General) |
| 88 | PD7 | I/O | Multiplexed I/O & Peripheral Pin PD7 (General) |
| 89 | PB3 | I/O | Multiplexed I/O & Peripheral Pin PB3 (General) |
| 90 | PB4 | I/O | Multiplexed I/O & Peripheral Pin PB4 (General) |
| 91 | PB5 | I/O | Multiplexed I/O & Peripheral Pin PB5 (General) |
| 92 | PB6/USB2DM | I/O | Multiplexed I/O & Peripheral Pin PB6/USB2DM (USB) |
| 93 | PB7/USB2DP | I/O | Multiplexed I/O & Peripheral Pin PB7/USB2DP (USB) |
| 94 | BOOT0 | I | Input-Only Pin BOOT0 (General) |
| 95 | PB8 | I/O | Multiplexed I/O & Peripheral Pin PB8 (General) |
| 96 | PB9 | I/O | Multiplexed I/O & Peripheral Pin PB9 (General) |
| 97 | PE0 | I/O | Multiplexed I/O & Peripheral Pin PE0 (General) |
| 98 | PE1 | I/O | Multiplexed I/O & Peripheral Pin PE1 (General) |
| 99 | VSS_3 | GND | Ground Reference Pin (VSS_3) |
| 100 | VIO_3 | I/O | Multiplexed I/O & Peripheral Pin VIO_3 (General) |