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MDIO Registers
4.5 MDIO Link Status Change Interrupt (Unmasked) Register (LINKINTRAW)
The MDIO link status change interrupt (unmasked) register (LINKINTRAW) is shown in Figure 29 and
described in Table 27.
Figure 29. MDIO Link Status Change Interrupt (Unmasked) Register (LINKINTRAW)
31 16
Reserved
R-0
15 2 1 0
Reserved USERPHY1 USERPHY0
R-0 R/W1C-0 R/W1C-0
LEGEND: R/W = Read/Write; R = Read only; W1C = Write 1 to clear (writing a 0 has no effect); -n = value after reset
Table 27. MDIO Link Status Change Interrupt (Unmasked) Register (LINKINTRAW)
Field Descriptions
Bit Field Value Description
31-2 Reserved 0 Reserved
1 USERPHY1 MDIO Link change event, raw value. When asserted, the bit indicates that there was an MDIO link
change event (that is, change in the LINK register) corresponding to the PHY address in
USERPHYSEL1. Writing a 1 will clear the event, writing a 0 has no effect.
0 No MDIO link change event.
1 An MDIO link change event (change in the LINK register) corresponding to the PHY address in
MDIO user PHY select register USERPHYSEL1
0 USERPHY0 MDIO Link change event, raw value. When asserted, the bit indicates that there was an MDIO link
change event (that is, change in the LINK register) corresponding to the PHY address in
USERPHYSEL0. Writing a 1 will clear the event, writing a 0 has no effect.
0 No MDIO link change event.
1 An MDIO link change event (change in the LINK register) corresponding to the PHY address in
MDIO user PHY select register USERPHYSEL0
73
SPRUFL5B–April 2011 EMAC/MDIO Module
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