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 PWM Hardware Timer
A.1 servo0   Timer 2
A.2 probe   Timer 2
A.8 BTNENC    
A.15 X-CS   Timer 2
B.0 e2heat he2 Timer 3
B.1 e0heat he0 Timer 3
B.10 xstop x-stop Timer 2
B.12 LCD_SS   Timer 2
B.13 LCD_SCK    
B.14 LCD_MISO   Timer 12
B.15 LCD_MOSI   Timer 8
B.3 E0-CS   Timer 2
B.8 Y-CS   Timer 10
B.9 Z-CS   Timer 11
C.6 wifi4   Timer 8
C.7 wifi3   Timer 3
C.8 fan0 fan Timer 8
D.10 LCD_RS    
D.11 LCD_EN    
D.12 bed hbed Timer 4
D.14 e1heat he1 Timer 4
E.10 e1stop e1det  
E.12 ystop y-stop  
E.15 e0stop e0det  
E.5 fan1   Timer 9
E.6 fan2   Timer 9
F.11 BTN_EN2    
F.12 LCD_CD    
F.13 KILL    
F.14 wifi5    
F.15 wifi6    
F.3 e0temp t0  
F.4 e1temp t1  
F.5 e2temp t2  
F.6 bedtemp t3 Timer 10
G.0 wifi1    
G.1 wifi2    
G.10 BTN_EN1    
G.12 E2-CS    
G.15 E1-CS    
G.2 LCD_D4    
G.3 LCD_D5    
G.4 BEEP    
G.5 e2stop e2det  
G.6 LCD_D6    
G.7 LCD_D7    
G.8 zstop z-stop  
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