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VSC8541XMV-05 Datasheet(PDF) 52 Page - Microchip Technology |
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VSC8541XMV-05 Datasheet(HTML) 52 Page - Microchip Technology |
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52 / 101 page  Registers VMDS-10513 VSC8541-02 Datasheet Revision 4.1 43 4.2.25 Device Auxiliary Control and Status Register 28 provides control and status information for several device functions not controlled or monitored by other device registers. The following table shows the settings available and the expected readouts. 4.2.26 LED Mode Select The device LED outputs are controlled using the bits in register 29 of the main register space. The following table shows the information needed to access the functionality of each of the outputs. For more Table 46 • Auxiliary Control and Status, Address 28 (0x1C) Bit Name Access Description Default 15 Autonegotiation complete RO Duplicate of bit 1.5 when auto-negotiation is enabled, otherwise this is the current link status. 0 14 Autonegotiation disabled RO Inverted duplicate of bit 0.12. 0 13 HP Auto-MDIX crossover indication RO 1: HP Auto-MDIX crossover performed internally. 0 12 CD pair swap RO 1: CD pairs are swapped. 0 11 A polarity inversion RO 1: Polarity swap on pair A. 0 10 B polarity inversion RO 1: Polarity swap on pair B. 0 9 C polarity inversion RO 1: Polarity swap on pair C. 0 8 D polarity inversion RO 1: Polarity swap on pair D. 0 7 ActiPHY link status time-out control [1] R/W Sticky bit. Bits 7 and 2 are part of the ActiPHY Link Status time-out control. Bit 7 is the MSB. 00: 2.3 seconds. 01: 3.3 seconds. 10: 4.3 seconds. 11: 5.3 seconds. 0 6 ActiPHY mode enable R/W Sticky bit. 1: Enabled. 0 5 FDX status RO 1: Full-duplex. 0: Half-duplex. 0 4:3 Speed status RO 00: Speed is 10BASE-T. 01: Speed is 100BASE-TX. 10: Speed is 1000BASE-T. 11: Reserved. 00 2 ActiPHY link status time-out control [0] R/W Sticky bit. Bits 7 and 2 are part of the ActiPHY Link Status time-out control. Bit 7 is the MSB. 00: 2.3 seconds. 01: 3.3 seconds. 10: 4.3 seconds. 11: 5.3 seconds. 1 1:0 Media mode status RO 00: No media selected. 01: Copper media selected. 10: Reserved. 11: Reserved. 00 |
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