The pin names of the GTR + M5 in the firmware

GTR Pinout Diagram

GTR Pinout

M5 Pinout Diagram

M5 Pinout

GTR + M5 Driver Pins in Firmware

Driver pin numbers. They are separated into driver number.

Pin Type 0 1 2 3 4 5 6 7 8 9 10
Enable Pins F.1 E.4 B.9 G.13 D.7 D.2 F.8 G.2 F.14 E.8 I.0
Step Pins C.15 E.3 B.8 G.12 D.6 D.1 F.3 D.14 E.12 G.0 H.12
Direction Pins F.0 E.2 B.7 G.11 D.5 D.0 G.3 D.11 E.10 G.1 H.15
UART Pins C.14 E.1 B.5 G.10 D.4 C.12 G.4 E.15 E.7 F.15 H.14

GTR + M5 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 e1heat heat1 Timer 2
A.15 BTNENC   Timer 2
A.2 bed hbed Timer 2
A.3 e3temp Temp_M1 Timer 2
A.8 LCD_RS    
B.0 e2heat heat2 Timer 3
B.1 e0heat heat0 Timer 3
B.10 LCD_CD   Timer 2
B.11 servo0   Timer 2
B.12 LCD_SS    
B.13 LCD_SCK    
B.14 LCD_MISO   Timer 12
B.15 LCD_MOSI   Timer 8
B.3 SCK   Timer 2
B.5 Z-CS   Timer 3
B.6 MISO   Timer 4
C.0 bedtemp t3  
C.1 e0temp t0  
C.10 LCD_EN    
C.11 BEEP    
C.12 E2-CS    
C.13 ystop y-stop  
C.14 X-CS    
C.2 e1temp t1  
C.3 e2temp t2  
C.5 wifi5    
C.6 wifi4   Timer 8
C.7 wifi3   Timer 3
C.8 fan2   Timer 8
C.9 fan_M4   Timer 8
D.10 BTN_EN1    
D.12 e5heat heat_M3 Timer 4
D.13 e4heat heat_M2 Timer 4
D.15 e3heat heat_M1 Timer 4
D.3 e2stop e2det  
D.4 E1-CS    
E.0 zstop z-stop  
E.1 Y-CS    
E.11 fan_M3    
E.13 e6heat heat_M4  
E.14 fan_M5    
E.5 fan0   Timer 9
E.6 fan1   Timer 9
E.9 fan_M2    
F.10 e5temp Temp_M3  
F.11 wifi1    
F.12 e7stop M5_Stop  
F.13 Neopixel    
F.2 xstop x-stop  
F.4 e4stop M2_Stop  
F.5 e7temp Temp_M5  
F.6 e5stop M3_Stop Timer 10
F.7 e6temp Temp_M4 Timer 11
F.9 e4temp Temp_M2 Timer 14
G.10 E0-CS    
G.14 e0stop e0det  
G.15 MOSI    
G.5 LCD_D7    
G.6 LCD_D6    
G.7 LCD_D5    
G.8 LCD_D4    
G.9 e1stop e1det  
H.10 BTN_EN2    
H.11 probe    
H.2 KCS    
H.6 EI2   Timer 12
I.1 KSCK    
I.11 EI1    
I.2 KMOSI    
I.4 e3stop M1_Stop  
I.5 fan_M1   Timer 8
I.6 e7heat heat_M5 Timer 8
I.7 e6stop M4_Stop