Pin | Mark | I/O | Function |
No. |
| Division |
|
1 | IN1R | I | H bridge 1 reverse input |
|
|
| terminal |
2 | IN2F | I | H bridge 2 forward input |
|
|
| terminal |
3 | IN2R | I | H bridge 2 reverse input |
|
|
| terminal |
4 | STALL | I | Standby input terminal |
5 | STHB | I | H1, H2 bridge mute input |
|
|
| terminal |
6 | SPVM1 | I | Spindle power unit’s power |
|
|
| supply 1 |
7 | SPUOUT | O | Spindle motor coil (U) |
|
|
| output terminal |
8 | SPPG1 | — | Spindle power unit’s GND1 |
9 | NC | — | Not used, open |
10 | SPVOUT | O | Spindle motor coil (V) |
|
|
| output terminal |
11 | SPVM2 | I | Spindle power unit’s power |
|
|
| supply 2 |
12 | SPWOUT | O | Spindle motor coil (W) |
|
|
| output terminal |
13 | SPPG2 | — | Spindle power unit’s GND2 |
14 | PWVM | I | Half bridge power unit’s |
|
|
| power supply |
15 | PWOUT | O | Half bridge output terminal |
16 | PWPG | — | Half bridge power unit’s |
|
|
| GND |
17 | PWIN1 | I | Half bridge1 input terminal |
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