The pin names of the Fly-MMU V1.0 H723 in the firmware
Fly-MMU V1.0 H723 Pinout Diagram
Fly-MMU V1.0 H723 Driver Pins in Firmware
Driver pin numbers. They are separated into driver number.
| Pin Type | 0 | 1 | 2 | 3 |
|---|---|---|---|---|
| Enable Pins | PE_5 | PA_7 | PB_0 | PE_12 |
| Step Pins | PE_4 | PC_4 | PC_5 | PE_14 |
| Direction Pins | PE_6 | PA_6 | PB_1 | PE_13 |
| UART Pins | PC_13 | PA_5 | PE_7 | PE_11 |
Fly-MMU V1.0 H723 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 | PWM Hardware Timer |
|---|---|---|
| PA_0 | servo3 | Timer 2 |
| PA_1 | servo2 | Timer 2 |
| PA_2 | servo1 | Timer 15 |
| PA_3 | servo0 | Timer 2 |
| PA_8 | driverneopixel | |
| PA_15 | status | Timer 2 |
| PC_0 | endstop5 | |
| PC_1 | endstop4 | |
| PC_2 | endstop3 | |
| PC_3 | endstop2 | |
| PD_3 | endstop10 | |
| PD_4 | endstop9 | |
| PD_5 | endstop8 | |
| PD_6 | endstop7 | |
| PD_7 | endstop6 | |
| PE_2 | endstop1 | |
| PE_3 | endstop0 | |
| PE_10 | neopixel |
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 | Use |
|---|---|---|---|---|---|
| 0 | NoPin | NoPin | NoPin | Hardware | |
| 1 | PB_13 | PB_14 | PB_15 | Hardware | SD Card (If installed) |
| 2 | PB_3 | PB_4 | PB_5 | Hardware | Drivers |
| 3 | NoPin | NoPin | NoPin | Software | |
| 4 | NoPin | NoPin | NoPin | Software | |
| 5 | NoPin | NoPin | NoPin | Software | |
| 6 | NoPin | NoPin | NoPin | Hardware | |
| 7 | NoPin | NoPin | NoPin | Hardware | |
| 8 | NoPin | NoPin | NoPin | Hardware |