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4.5 MDIO Link Status Change Interrupt (Unmasked) Register (LINKINTRAW)
MDIO Registers
The MDIO link status change interrupt (unmasked) register (LINKINTRAW) is shown in Figure 17 and
described in Table 15 .
Figure 17. MDIO Link Status Change Interrupt (Unmasked) Register (LINKINTRAW)
31 16
Reserved
R-0
15 2 1 0
Reserved LINKINTRAW
R-0 R/WC-0
LEGEND: R = Read only; R/W = Read/Write; WC = Write 1 to clear; - n = value after reset
Table 15. MDIO Link Status Change Interrupt (Unmasked) Register (LINKINTRAW)
Field Descriptions
Bit Field Value Description
31-2 Reserved 0 Reserved
1-0 LINKINTRAW MDIO Link change event, raw value. When asserted, a bit indicates that there was an MDIO link
change event (that is, change in the LINK register) corresponding to the PHY address in
USERPHYSEL. LINKINTRAW[0] and LINKINTRAW[1] correspond to USERPHYSEL0 and
USERPHYSEL1, respectively. Writing a 1 will clear the event and 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 n (USERPHYSEL n).
58 Ethernet Media Access Controller (EMAC)/ SPRU941A – April 2007
Management Data Input/Output (MDIO)
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