Section 4.5 – Texas Instruments TMS320DM36X User Manual

Page 73

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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 30

and

described in

Table 27

.

Figure 30. MDIO Link Status Change Interrupt (Unmasked) Register (LINKINTRAW)

31

16

Reserved

R-0

15

2

1

0

Reserved

LINKINTRAW

R-0

R/W1C-0

LEGEND: R = Read only; R/W = Read/Write; W1C = Write 1 to clear, write of 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

1-0

LINKINTRAW

0-3h

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 the
USERPHYSEL register. 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 (USERPHYSELn).

73

SPRUFI5B – March 2009 – Revised December 2010

Ethernet Media Access Controller (EMAC)/Management Data Input/Output

(MDIO)

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