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LAN9250 Datasheet(PDF) 258 Page - Microchip Technology |
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LAN9250 Datasheet(HTML) 258 Page - Microchip Technology |
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258 / 421 page  LAN9250 DS00001913A-page 258 2015 Microchip Technology Inc. 12.2.18.20 PHY Interrupt Source Flags Register (PHY_INTERRUPT_SOURCE) This read-only register is used to determine to source of various PHY interrupts. All interrupt source bits in this register are read-only and latch high upon detection of the corresponding interrupt (if enabled). A read of this register clears the interrupts. These interrupts are enabled or masked via the PHY Interrupt Mask Register (PHY_INTERRUPT_MASK). Index (decimal): 29 Size: 16 bits Bits Description Type Default 15:9 RESERVED RO - 9 INT9 This interrupt source bit indicates a Link Up (link status asserted). 0: Not source of interrupt 1: Link Up (link status asserted) RO/LH 0b 8 RESERVED RO - 7 INT7 This interrupt source bit indicates when the Energy On (ENERGYON) bit of the PHY Mode Control/Status Register (PHY_MODE_CONTROL_STATUS) has been set. 0: Not source of interrupt 1: ENERGYON generated RO/LH 0b 6 INT6 This interrupt source bit indicates Auto-Negotiation is complete. 0: Not source of interrupt 1: Auto-Negotiation complete RO/LH 0b 5 INT5 This interrupt source bit indicates a remote fault has been detected. 0: Not source of interrupt 1: Remote fault detected RO/LH 0b 4 INT4 This interrupt source bit indicates a Link Down (link status negated). 0: Not source of interrupt 1: Link Down (link status negated) RO/LH 0b 3 INT3 This interrupt source bit indicates an Auto-Negotiation LP acknowledge. 0: Not source of interrupt 1: Auto-Negotiation LP acknowledge RO/LH 0b 2 INT2 This interrupt source bit indicates a Parallel Detection fault. 0: Not source of interrupt 1: Parallel Detection fault RO/LH 0b |
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