STM32F103C8T Clone
| Pin | Description |
|---|---|
| 1 | VCC |
| 2 | GND |
| 3 | GND |
| 4 | spindle_enable |
| 5 | osc_in |
| 6 | osc_out |
| 7 | e-stop |
| 8 | GND |
| 9 | VCC |
| 10 | step_X |
| 11 | step_Y |
| 12 | step_Z |
| 13 | |
| 14 | dir X (-X=3.3v) |
| 15 | dir Y (-Y=3.3v) |
| 16 | dir Z (-Z=3.3v) |
| 17 | |
| 18 | spindle_direction (M4) |
| 19 | |
| 20 | |
| 21 | |
| 22 | |
| 23 | GND |
| 24 | VCC |
| 25 | x limit - PORT1(1) |
| 26 | y limit - PORT1(2) |
| 27 | z limit - PORT1(3) |
| 28 | |
| 29 | spindle_pwm |
| 30 | |
| 31 | |
| 32 | |
| 33 | |
| 34 | ST-LINK (4) SWDIO |
| 35 | GND |
| 36 | VCC |
| 37 | SWCLK - ST-LINK (2) / HOME |
| 38 | step_enable |
| 39 | |
| 40 | coolant (M8) |
| 41 | pause - hold/door |
| 42 | resume - start |
| 43 | reset - rst |
| 44 | |
| 45 | BOOT 0 - ST-link (1) GND |
| 46 | probe - PORT1(7) |
| 47 | GND |
| 48 | VCC |
Driver Chip: TB67S109AFTG
Model: CNC-600D24+48ADJ Output 1: +24V 8A Output 2: +48V (Adjustable) 7A