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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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L6360 Scheda tecnica(PDF) 23 Page - STMicroelectronics |
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L6360 Scheda tecnica(HTML) 23 Page - STMicroelectronics |
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23 / 65 page  L6360 Device configuration Doc ID 022817 Rev 2 23/65 Status register Read only Reset Value: [00000000] Figure 9. Status register The status register stores diagnostic information. It can be read to check the status of the run-time of the device (faults, warning, transmission corrupted, etc.). When a fault condition occurs, a bit (corresponding to the fault condition) in the status register is set and an interrupt (via the IRQ pin) is generated. If there is no persistent fault condition, the status register is cleared after a successful current read. Bit 7 = PO: Power-on (L+ line). This bit indicates the status of L+ line voltage. If the voltage goes under the lower threshold (VLTHOFF) and ENL+ is high, the PO bit is set. It is reset after a successful current read if the L+ voltage has returned above the upper threshold VLTHON and the read operation has begun after the bit has been set. When the PO bit is high, IRQ is generated. During ENL+ transition (from low-level to high-level) and during L+ line voltage transition, a fault condition is reported setting the PO bit and activating the IRQ pin. To reset the fault a successful current read is necessary. |
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