The pin names of the Fly-E3-v2 in the firmware

Fly-E3-v2 Pinout Diagram

Fly-E3-v2 Pinout

Fly-E3-v2 Drivers Pins in Firmware

Driver pin numbers. They are separated into driver number.

Pin Type 0 (X) 1 (Y) 2 (Z) 3 (E0) 4 (E1)
Step Pins PE_5 PE_4 PE_1 PE_2 PE_0
Direction Pins PC_0 PC_13 PB_7 PD_5 PD_1
Enable Pins PC_1 PC_14 PE_3 PD_6 PD_3
UART Pins PC_15 PB_6 PD_7 PD_4 PD_0

Fly-E3-v2 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, PA_0 or A_0.

Pin Number Pin Name 1 Pin Name 2 PWM Hardware Timer
PC_4 e0temp t0  
PC_5 e1temp t1  
PB_1 bedtemp tb Timer 3
PE_7 xmin xstop  
PE_8 ymin ystop  
PE_9 zmin zstop  
PE_6 servo0   Timer 9
PC_2 probe    
PB_0 bed hbed Timer 3
PC_6 e0heat he0 Timer 8
PC_7 e1heat he1 Timer 3
PA_0 fan0 fan Timer 2
PA_1 fan1   Timer 2
PA_2 fan2   Timer 2
PA_3 fan3   Timer 2
PD_10 BEEP    
PA_8 LCDEN    
PE_14 LCDD5    
PA_14 LCDD6    
PA_6 LCDMISO   Timer 13
PB_11 BTNEN2   Timer 2
PB_10 BTNEN1   Timer 2
PC_9 SDD1   Timer 8
PC_8 SDD0   Timer 8
PC_12 SDSCK    
PD_2 SDCMD    
PC_11 SDD3    
PC_10 SDD2    
PE_15 LCDD4    
PA_13 LCDD7    
PA_5 LCDSCK   Timer 2
PA_4 LCDSS    

Configured SPI connections

The below SPI channels are preconfigured in the firmware.
Where NoPin is present, then that pin is not configured by default.

SPI Channel CLK MISO MOSI Hardware or Software
0 PA_5 PA_6 PA_7 Hardware
1 PB_13 PB_14 PB_15 Hardware
2 PB_3 PB_4 PB_5 Hardware
3 PD_12 PD_13 PD_11 Software
4 PE_14 NoPin PA_13 Software
5 NoPin NoPin NoPin Software