The pin names of the SKR v1.1 in the firmware
SKR v1.1 Pinout Diagram
SKR v1.1 Driver Pins in Firmware
Driver pin numbers. They are separated into driver number.
| Pin Type/Driver Number | 0 | 1 | 2 | 3 | 4 |
|---|---|---|---|---|---|
| Enable Pins | 4.28 | 2.0 | 0.19 | 2.12 | 0.10 |
| Step Pins | 0.4 | 2.1 | 0.20 | 0.11 | 0.1 |
| Direction Pins | 0.5 | 2.2 | 0.21 | 2.13 | 0.0 |
| UART Pins | N/A | N/A | N/A | N/A | N/A |
SKR v1.1 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 P0.1 or P0_1.
| Pin Number | Pin Name 1 | Pin Name 2 |
|---|---|---|
| 0.23 | bedtemp | tb |
| 0.24 | e0temp | th0 |
| 0.25 | e1temp | th1 |
| 1.24 | zstopmax | z+ |
| 1.25 | zstop | z- |
| 1.26 | ystopmax | y+ |
| 1.27 | ystop | y- |
| 1.28 | xstopmax | x+ |
| 1.29 | xstop | x- |
| 2.3 | fan0 | fan |
| 2.4 | e1heat | he1 |
| 2.5 | bed | hbed |
| 2.7 | e0heat | he0 |