The pin names of the SKR Pro v1.1 and v1.2 in the firmware

SKR Pro v1.1 Pinout Diagram

SKR Pro v1.1
SKR Pro v1.1 Pinout

SKR Pro v1.2 Pinout Diagram

SKR Pro v1.2
SKR Pro v1.2 Pinout

SKR Pro v1.1 and v1.2 Driver Pins in Firmware

Driver pin numbers. They are separated into driver number.

Pin Type 0 1 2 3 4 5
Enable Pins F.2 D.7 C.0 C.3 A.3 F.0
Step Pins E.9 E.11 E.13 E.14 D.15 D.13
Direction Pins F.1 E.8 C.2 A.0 E.7 G.9
UART Pins C.13 E.3 E.1 D.4 D.1 D.6

SKR Pro v1.1 and v1.2 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.1 servo0  
A.2 probe  
A.15 X-CS  
B.0 e2heat he2
B.1 e0heat he0
B.10 xstop x-stop
B.3 E0-CS  
B.8 Y-CS  
B.9 Z-CS  
C.6 wifi4  
C.7 wifi3  
C.8 fan0 fan
D.12 bed hbed
D.14 e1heat he1
E.10 e1stop e1det
E.12 ystop y-stop
E.15 e0stop e0det
E.5 fan1  
E.6 fan2  
F.14 wifi5  
F.15 wifi6  
F.3 e0temp t0
F.4 e1temp t1
F.5 e2temp t2
F.6 bedtemp t3
G.0 wifi1  
G.1 wifi2  
G.12 E2-CS  
G.15 E1-CS  
G.5 e2stop e2det
G.8 zstop z-stop