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UM0971 数据表(PDF) 25 Page - STMicroelectronics |
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UM0971 数据表(HTML) 25 Page - STMicroelectronics |
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25 / 45 page  UM0971 Descriptions of connectors and jumpers Doc ID 17701 Rev 1 25/45 3.2 Connector placement Figure 15. STEVAL-IHM0031V1 connector placement J18 1 - 2 Current A pin of MC_connector is connected to motor windings natural point 2 - 3 Current A pin of MC connector is connected to amplified signal of motor current phase A J19 Present/not present Connect/disconnect + 5 V power voltage to corresponding + 5 V power pin of MC connector J20 1 - 2 Connect 3.3 V power pin of MC connector to + 5 V power voltage 2 - 3 Connect 3.3 V power pin of MC connector to + 3.3 V power voltage J23 1 - 2 +5 V is a power voltage 2 - 3 +5 V is a reference voltage Table 12. Jumper description (continued) Jumper Position/ selection Description |
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