SKR v1.4 and SKR v1.4T Pin Names

SKR v1.4 and SKR v1.4T Pinout Diagram

SKR v1.4
SKR v1.4 and SKR v1.4T Pinout

SKR v1.4 and SKR v1.4T Pins in Firmware

Driver pin numbers. They are separated into driver number.

Pin Type 0 1 2 3 4
Enable Pins 2.1 2.8 0.21 2.12 1.16
Step Pins 2.2 0.19 0.22 2.13 1.15
Direction Pins 2.6 0.20 2.11 0.11 1.14
UART Pins 1.10 1.9 1.8 1.4 1.1

Other pin numbers. Either name can be used in the firmware (config.g).

Pin Number Pin Name 1 Pin Name 2
0.0 i2c1 P0.0
0.1 i2c2 P0.1
0.10 probe  
0.16 P0.16  
0.23 e1temp th1
0.24 e0temp th0
0.25 bedtemp tb
0.26 SPI1 P0.26
0.27 P0.27  
0.28 P0.28  
1.0 pwrdet P1.0
1.18 P1.18  
1.19 P1.19  
1.20 P1.20  
1.21 P1.21  
1.22 P1.22  
1.23 P1.23  
1.24 neopixel P1.24
1.25 e1stop e1det
1.26 e0stop e0det
1.27 zstop z-stop
1.28 ystop y-stop
1.29 xstop x-stop
1.30 P1.30  
1.31 P1.31  
2.0 servo0  
2.3 fan0 fan
2.4 e1heat he1
2.5 bed hbed
2.7 e0heat he0
3.25 P3.25  
3.26 P3.26  
4.28 wifi1 P4.28
4.29 wifi2 P4.29
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