The pin names of the SKR v2.0 in the firmware

SKR v2.0 Pinout Diagram

SKR v2.0
SKR v2.0 Pinout

SKR v2.0 Driver Pins in Firmware

Driver pin numbers. They are separated into driver number.

Pin Type 0 1 2 3 4
Enable Pins E.3 D.6 D.1 C.7 D.13
Step Pins E.2 D.5 A.15 D.15 D.11
Direction Pins E.1 D.4 A.8 D.14 D.10
UART Pins E.0 D.3 D.0 C.6 D.12

SKR v2.0 Other Pins in Firmware

If more than one pin name is availble, either name can be used in the firmware (config.g).
If the pins aren’t in the table (due to not having a special name), then the pin itself can be used in the form of PA0, PA.0, PA_0, A0, A.0 or A_0.

Pin Number Pin Name 1 Pin Name 2
A.0 e1stop e1det
A.1 bedtemp tb
A.13 LED  
A.14 MISO  
A.2 e0temp th0
A.3 e1temp th1
A.4 LCD_SS  
A.9 TX1 tft-tx
A.10 RX1 tft-rx
B.1 LCD_EN  
B.2 BTN_EN2  
B.3 e0heat heat0
B.4 e1heat heat1
B.5 fan2  
B.6 fan1  
B.7 fan0 fan
B.8 SCL1  
B.9 SDA1  
C.0 zstop z-stop
C.1 xstop x-stop
C.13 SP  
C.2 e0stop e0det
C.3 ystop y-stop
C.4 LCD_CD  
C.5 BEEP  
C.6 E0-CS  
D.0 Z-CS  
D.3 Y-CS  
D.7 bed hbed
D.12 E1-CS  
E.0 X-CS  
E.10 LCD_D4  
E.11 LCD_D5  
E.12 LCD_D6  
E.13 LCD_D7  
E.14 MOSI  
E.15 SCK  
E.4 probe  
E.5 servo0  
E.6 Neopixel  
E.7 BTN_EN1  
E.8 PSON  
E.9 LCD_RS