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L9908 数据表(PDF) 43 Page - STMicroelectronics |
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L9908 数据表(HTML) 43 Page - STMicroelectronics |
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43 / 152 page  Figure 24. Recommended Power-Up sequence 5.8 Digital I/O 5.8.1 VIO power supply The VIO power supply is a dedicated power input designed to supply the Digital Output circuitry. The voltage level applied to VIO will reflect directly onto digital output level allowing compliance with major digital I/O standards (5 V, 3.3 V). 5.8.2 Digital Input (DI) Digital input pins on L9908 are used to transfer digital communications coming from an external source and supply domain to the internal logic and it’s related to a 3.3 V domain. Table 31. Digital input pins functional partitioning Pins Default State Description SCLK Type A – Internal Current Pull-down SPI Pin (SPI communication related pin) SDI Type A – Internal Current Pull-down SPI Pin (SPI communication related pin) NCS Type C – Internal Current Pull-up SPI Pin (SPI communication related pin) INHn, INLn [1,2,3] Type A – Internal Current Pull-down Control Loop Pins (Gate Driver control related pins) L9908 Functional description DS13546 - Rev 5 page 43/152 |
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