The pin names of the GTR + M5 in the firmware

GTR Pinout Diagram

GTR
GTR Pinout

M5 Pinout Diagram

M5
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.4 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
A.1 e1heat heat1
A.2 bed hbed
A.3 e3temp Temp_M1
B.0 e2heat heat2
B.1 e0heat heat0
B.11 servo0  
B.3 SCK  
B.5 Z-CS  
B.6 MISO  
C.0 bedtemp t3
C.1 e0temp t0
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  
C.7 wifi3  
C.8 fan2  
C.9 fan_M4  
D.12 e5heat heat_M3
D.13 e4heat heat_M2
D.15 e3heat heat_M1
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  
E.6 fan1  
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
F.7 e6temp Temp_M4
F.9 e4temp Temp_M2
G.10 E0-CS  
G.14 e0stop e0det
G.15 MOSI  
G.9 e1stop e1det
H.11 probe  
H.2 KCS  
H.6 EI2  
I.1 KSCK  
I.11 EI1  
I.2 KMOSI  
I.4 e3stop M1_Stop
I.5 fan_M1  
I.6 e7heat heat_M5
I.7 e6stop M4_Stop
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