Porting Marlin Firmware to Funmat HT Intamsys 5.0 Motherboard
Reversing Intamsys 5.0 motherboard to find pins allocation required to configure Marlin firmware. Also, adding BLTouch sensor to replace the built-in toggle sensor.
Intamsys 5.0 ATmega2560 TQFP pins map
| Pin | Function |
|---|---|
| 004 | Y Zero |
| 005 | Z Top |
| 008 | Z Bottom |
| 023 | Filament Run-out |
| 024 | Nozzle Leveling Sensor |
| 041 | EX Driver Enable |
| 042 | EX Driver Direction |
| 045 | EX Driver Step |
| 047 | E Driver Enable |
| 048 | E Driver Direction |
| 049 | E Driver Step |
| 063 | Z Driver Enable |
| 064 | Z Driver Direction |
| 065 | Z Driver Step |
| 067 | Y Driver Enable |
| 068 | Y Driver Direction |
| 082 | X Driver Enable |
| 084 | X Driver Direction |
| 085 | X Driver Step |
| 086 | Y Driver Step |
| 097 | X Zero |
Pin mapping for the 1280 and 2560 is located in
Marlin/src/HAL/AVR/fastio/fastio_1280.h
Intamsys 5.0 connectors
| Connector | Function |
|---|---|
| J5 | X Zero |
| J8 | Y Zero |
| J6 | Z Top |
| J9 | Z Bottom |
Funmat HT stepper motors wiring
| Colour | Function |
|---|---|
| Green | Pull |
| Red | Direction |
| Yellow | Enable |
| Blue | GND |
Funmat HT Touch Panel
Possibly, TJC4024T032_011