| function | pin | comment |
|---|---|---|
| ADC1_0 | PA0_C | T4 |
| RX_CLK | PA1 | ETH |
| MDIO | PA2 | ETH |
| ADC1_6 | PA3 | |
| PA4 | ||
| SPI0CK | PA5 | |
| SPI0MISO | PA6 | |
| RX_DV | PA7 | ETH |
| I2C1 SCL | PA8 | n/a on devebox |
| ESYN | PA9 | |
| USB2id | PA10 | ACM/CDC Device |
| USB2 | PA11 | ACM/CDC Device |
| USB2 | PA12 | ACM/CDC Device |
| ADC1_3 | PB0 | T3 |
| PB1 | ||
| QSPI_CLK | PB2 | QSPI |
| SPI0MOSI | PB5 | |
| QSPI_NCS | PB6 | QSPI |
| SSR2 | PB7 | |
| hotend FET | PB8 | |
| UART4_TX | PB9 | control port |
| PROBE | PB10 | |
| UART3_RX | PB11 | uart |
| USB1id | PB12 | Host Device (not used) |
| USB1vbus | PB13 | Host Device |
| USB1dm | PB14 | Host Device |
| USB1dp | PB15 | Host Device |
| ADC3_0 | PC0 | for voltage inputs |
| MDC | PC1 | ETH |
| ADC1_4 | PC2 | |
| ADC1_5 | PC3 | |
| RXD0 | PC4 | ETH |
| RXD1 | PC5 | ETH |
| STEP D | PC6 | |
| SDMMC | PC8 | D0 |
| SDMMC | PC9 | D1 |
| SDMMC | PC10 | D2 |
| SDMMC | PC11 | D3 |
| SDMMC | PC12 | CK |
| PC13 | ||
| ESXP | PD0 | |
| SDMMC | PD2 | CMD |
| STEP_A | PD3 | |
| DIR_A | PD4 | |
| UART2_TX | PD5 | debug prime |
| UART2_RX | PD6 | debug prime |
| extra fet | PD7 | |
| UART3_TX | PD8 | Uart |
| PD9 | ||
| PD10 | ||
| IO0 | PD11 | QSPI |
| PD12 | ||
| IO3 | PD13 | QSPI |
| PD14 | ||
| PD15 | ||
| HOTEND FET | PE0 | |
| FAN FET | PE1 | |
| IO2 | PE2 | QSPI |
| BED FET | PE3 | |
| PE4 | ||
| SPI1MISO | PE5 | Motor |
| SPI1MOSI | PE6 | Motor |
| PE7 | ||
| PE8 | ||
| PWM1_1 | PE9 | |
| board id #3 | PE10 | |
| PWM1_2 | PE11 | |
| SPI1CK | PE12 | Motor |
| PWM1_3 | PE13 | |
| PWM1_4 | PE14 | |
| I2C0 SDA | PF0 | |
| I2C0 SCL | PF1 | |
| PF2 | ||
| board id #2 | PF3 | |
| ADC3_4 | PF4 | |
| board id #1 | PF5 | |
| ADC3_3 | PF6 | |
| board id # 0 | PF7 | |
| ADC3_2 | PF8 | fet sense |
| IO1 | PF9 | QSPI |
| ADC3_1 | PF10 | |
| ADC1_1 | PF11 | T1 |
| ADC1_2 | PF12 | T2 |
| MSC LED | PF13 | |
| OutputEnb | PF14 | mosfets |
| PF15 | ||
| PG0 | ||
| PG1 | ||
| DIR B | PG2 | |
| STEP C | PG3 | |
| DIR C | PG4 | |
| DIR D | PG5 | |
| CS D | PG6 | |
| CS C | PG7 | |
| CS B | PG8 | |
| SG D | PG9 | |
| SDMMCDET | PG10 | |
| TXEN | PG11 | Ethernet |
| TXD1 | PG12 | Ethernet |
| TXD0 | PG13 | Ethernet |
| PH2 | ||
| PH3 | ||
| PH4 | ||
| ADC3_5 | PH5 | VMOT sense |
| PH7 | ||
| I2C1 SDA | PH8 | |
| LED1 | PH9 | |
| LED2 | PH10 | |
| LED3 | PH11 | |
| LED4 | PH12 | |
| Mot Enable | PH13 | |
| UART4_RX | PH14 | control port |
| ESZN | PH15 | |
| ESZP | PI0 | |
| ESYP | PI1 | |
| PWM2_4 | PI2 | |
| ESXN | PI3 | |
| SSR1 | PI4 | |
| PWM2_1 | PI5 | |
| PWM2_2 | PI6 | |
| PWM2_3 | PI7 | |
| PI8 | ||
| PI9 | ||
| PI10 | ||
| FAN FET | PI11 | |
| PJ2 | ||
| PJ3 | ||
| PJ4 | ||
| PJ6 | ||
| PJ7 | ||
| PJ8 | ||
| PJ9 | ||
| PJ10 | ||
| PJ11 | ||
| CS_A | PJ13 | |
| BOOT0_DETECT/MSC | PJ14 | |
| SG_C | PJ15 | |
| PK0 | ||
| PK1 | ||
| STEP B | PK2 | |
| SG A | PK4 | |
| SG B | PK5 |