Peripheral | Function | Pin name | Pin No. | Comment |
X | STEP | PC8 | 48 | M5P is converted to 5V to driver |
DIR | PC9 | 49 | M5P is converted to 5V to driver | |
EN | PA15 | 47 | M5P is converted to 5V to driver | |
CS/UART | PD9 | 41 | M5P is converted to 5V to driver | |
Y | STEP | PA10 | 42 | M5P is converted to 5V to driver |
DIR | PA14 | 46 | M5P is converted to 5V to driver | |
EN | PA13 | 45 | M5P is converted to 5V to driver | |
CS/UART | PD8 | 40 | M5P is converted to 5V to driver | |
Z | STEP | PC6 | 38 | M5P is converted to 5V to driver |
DIR | PC7 | 39 | M5P is converted to 5V to driver | |
EN | PA9 | 37 | M5P is converted to 5V to driver | |
CS/UART | PB10 | 30 | M5P is converted to 5V to driver | |
E0 | STEP | PB12 | 32 | M5P is converted to 5V to driver |
DIR | PB11 | 31 | M5P is converted to 5V to driver | |
EN | PA8 | 36 | M5P is converted to 5V to driver | |
CS/UART | PB2 | 29 | M5P is converted to 5V to driver | |
E1 | STEP | PB0 | 27 | M5P is converted to 5V to driver |
DIR | PB1 | 28 | M5P is converted to 5V to driver | |
EN | PC4 | 25 | M5P is converted to 5V to driver | |
CS/UART | PA6 | 23 | M5P is converted to 5V to driver | |
TMC SPI (spi2) | MISO | PB14 | 34 | EXP-2 SPI, Onboard MCU SD card, expansion SPI pin header and TMC driver SPI, 4 features multiplexing the same hardware SPI2, and is converted to 5V to TMC driver, |
MOSI | PB15 | 35 | EXP-2 SPI, Onboard MCU SD card, expansion SPI pin header and TMC driver SPI, 4 features multiplexing the same hardware SPI2, and is converted to 5V to TMC driver | |
SCK | PB13 | 33 | EXP-2 SPI, Onboard MCU SD card, expansion SPI pin header and TMC driver SPI, 4 features multiplexing the same hardware SPI2, and is converted to 5V to TMC driver | |
Heater | E0 | PC5 | 26 | is converted to 5V to MOSFET with flyback protection |
E1 | PA7 | 24 | is converted to 5V to MOSFET with flyback protection | |
HB(heated bed) | PA5 | 22 | is converted to 5V to MOSFET with flyback protection | |
Temperature | TH0 | PA1 | 18 | 4.7KOhm 0.1% pull up resistor for NTC100K,etc. 2.2KOhm 0.1% pull up resistor for PT1000 by jumper. with thermistor protection circuit |
TH1 | PA2 | 19 | 4.7KOhm 0.1% pull up resistor for NTC100K,etc. 2.2KOhm 0.1% pull up resistor for PT1000 by jumper. with thermistor protection circuit | |
THB | PA0 | 17 | 4.7KOhm 0.1% pull up resistor for NTC100K,etc. with thermistor protection circuit | |
Endstop | X-STOP | PD3 | 53 | Share with X-DIAG |
Y-STOP | PD2 | 52 | Share with Y-DIAG | |
Z-STOP | PC3 | 16 | Share with Z-DIAG | |
E0-DET | PC2 | 15 | Share with E0-DIAG | |
FAN | FAN0 | PA4 | 21 | is converted to 5V to MOSFET with flyback protection |
FAN1 | PA3 | 20 | is converted to 5V to MOSFET with flyback protection | |
Misc | RGB1(Neopixel/WS2812) | PC11 | 1 | is converted to 5V |
RGB2(Neopixel/WS2812) | PC14 | 4 | is converted to 5V | |
BLTouch | SERVOS | PC15 | 5 | Share with Proximity switch IO |
PROBE | PC13 | 3 | ||
Proximity switch | PROBE | PC15 | 5 | PNP or NPN can be selected by jumper. multiplexing the same IO with BLTouch SERVOS |
FDCAN1 | RX | PD0 | 50 | |
TX | PD1 | 51 | ||
USB-Device | OTG_FS_DM | PA11 | 43 | |
OTG_FS_DP | PA12 | 44 | ||
EXP1 | 5V | 5V | Marlin: EXP1_01_PIN, Klipper: EXP1_10 | |
GND | GND | Marlin: EXP1_02_PIN, Klipper: EXP1_9 | ||
LCD_D7 | PB6 | 60 | Marlin: EXP1_03_PIN, Klipper: EXP1_8 | |
LCD_D6 | PB7 | 61 | Marlin: EXP1_04_PIN, Klipper: EXP1_7 | |
LCD_D5 | PB4 | 58 | Marlin: EXP1_05_PIN, Klipper: EXP1_6 | |
LCD_D4 | PB5 | 59 | Marlin: EXP1_06_PIN, Klipper: EXP1_5 | |
LCD_RS | PD6 | 56 | Marlin: EXP1_07_PIN, Klipper: EXP1_4 | |
LCD_EN | PB3 | 57 | Marlin: EXP1_08_PIN, Klipper: EXP1_3 | |
BTN_ENC | PD4 | 54 | Marlin: EXP1_09_PIN, Klipper: EXP1_2 | |
BEEPER | PD5 | 55 | Marlin: EXP1_10_PIN, Klipper: EXP1_1 | |
EXP2 | NC | NC | Marlin: EXP2_01_PIN, Klipper: EXP2_10 | |
GND | GND | Marlin: EXP2_02_PIN, Klipper: EXP2_9 | ||
RESET | RESET | 12 | Marlin: EXP2_03_PIN, Klipper: EXP2_8 | |
SD_DETECT | PC12 | 2 | Marlin: EXP2_04_PIN, Klipper: EXP2_7 | |
MOSI | PB15 | 35 | Marlin: EXP2_05_PIN, Klipper: EXP2_6. EXP-2 SPI, Onboard MCU SD card, expansion SPI pin header and TMC driver SPI, 4 features multiplexing the same hardware SPI2, and is converted to 5V to TMC driver | |
BTN_EN2 | PC10 | 64 | Marlin: EXP2_06_PIN, Klipper: EXP2_5 | |
SD_SS | PB9 | 63 | Marlin: EXP2_07_PIN, Klipper: EXP2_4 | |
BTN_EN1 | PB8 | 62 | Marlin: EXP2_08_PIN, Klipper: EXP2_3 | |
SCK | PB13 | 33 | Marlin: EXP2_09_PIN, Klipper: EXP2_2. EXP-2 SPI, Onboard MCU SD card, expansion SPI pin header and TMC driver SPI, 4 features multiplexing the same hardware SPI2, and is converted to 5V to TMC driver | |
MISO | PB14 | 34 | Marlin: EXP2_10_PIN, Klipper: EXP2_1. EXP-2 SPI, Onboard MCU SD card, expansion SPI pin header and TMC driver SPI, 4 features multiplexing the same hardware SPI2, and is converted to 5V to TMC driver | |
OnboardSD(spi2) | SD-CS | PC1 | 14 | |
MISO | PB14 | 34 | EXP-2 SPI, Onboard MCU SD card, expansion SPI pin header and TMC driver SPI, 4 features multiplexing the same hardware SPI2, and is converted to 5V to TMC driver, | |
MOSI | PB15 | 35 | EXP-2 SPI, Onboard MCU SD card, expansion SPI pin header and TMC driver SPI, 4 features multiplexing the same hardware SPI2, and is converted to 5V to TMC driver | |
SCK | PB13 | 33 | EXP-2 SPI, Onboard MCU SD card, expansion SPI pin header and TMC driver SPI, 4 features multiplexing the same hardware SPI2, and is converted to 5V to TMC driver | |
Expansion SPI pin header(spi2) | SPI2-CS | PC0 | 13 | |
MISO | PB14 | 34 | EXP-2 SPI, Onboard MCU SD card, expansion SPI pin header and TMC driver SPI, 4 features multiplexing the same hardware SPI2, and is converted to 5V to TMC driver, | |
MOSI | PB15 | 35 | EXP-2 SPI, Onboard MCU SD card, expansion SPI pin header and TMC driver SPI, 4 features multiplexing the same hardware SPI2, and is converted to 5V to TMC driver | |
SCK | PB13 | 33 | EXP-2 SPI, Onboard MCU SD card, expansion SPI pin header and TMC driver SPI, 4 features multiplexing the same hardware SPI2, and is converted to 5V to TMC driver |
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