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4.7 MDIO Link Status Change Interrupt (Masked) Register (LINKINTMASKED)
MDIO Registers
The MDIO link status change interrupt (masked) register (LINKINTMASKED) is shown in Figure 21 and
described in Table 20 .
Figure 21. MDIO Link Status Change Interrupt (Masked) Register (LINKINTMASKED)
31 16
Reserved
R-0
15 2 1 0
Reserved LINKINT
MASKED
R-0 R/WC-0
LEGEND: R = Read only; R/WC = Read/Write 1 to clear; - n = value after reset
Table 20. MDIO Link Status Change Interrupt (Masked) Register (LINKINTMASKED) Field
Descriptions
Bit Field Value Description
31-2 Reserved 0 Reserved
1-0 LINKINTMASKED MDIO Link change interrupt, masked value. . When asserted, a bit indicates that there was an
MDIO link change event (i.e. change in the LINK register) corresponding to the PHY address in the
USERPHYSEL register and the corresponding LINKINTENB bit was set. LINKINTRAW[0] and
LINKINTRAW[1] correspond to USERPHYSEL0 and USERPHYSEL1, respectively. Writing a 1 will
clear the event and writing 0 has no effect.
Ethernet Media Access Controller (EMAC)/Management Data Input/Output (MDIO)72 SPRU975B – August 2006
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- User's Guide 1
- 2 SPRU975B – August 2006 2
- Submit Documentation Feedback 2
- Contents 3
- Read This First 10
- Data Input/Output (MDIO) 11
- 1.3 Functional Block Diagram 12
- Introduction 13
- 2.1 Clock Control 14
- 2.2 Memory Map 15
- 2.3 System Level Connections 16
- EMAC Functional Architecture 17
- 2.5 Programming Interface 26
- 2.6 EMAC Control Module 37
- 2.8 EMAC Module 43
- 2.10 Packet Receive Operation 50
- 2.13 Transfer Node Priority 56
- 2.14 Reset Considerations 56
- 2.15 Initialization 57
- 2.16 Interrupt Support 60
- 2.17 Power Management 63
- 2.18 Emulation Considerations 63
- 3.1 Introduction 64
- EMAC Control Module Registers 65
- 4 MDIO Registers 66
- 4.1 Introduction 66
- MDIO Registers 67
- 5 EMAC Port Registers 81
- 5.1 Introduction 81
- Table 30 85
- Table 33 88
- Table 38 93
- Table 39 94
- Table 43 98
- Table 44 99
- EMAC Port Registers 100
- Table 47 102
- Table 48 103
- Field Descriptions 104
- Descriptions (continued) 105
- Descriptions 110
- Table 63 121
- Table 68 126
- Table 76 134
- Table 77 135
- Appendix A Glossary 145
- Appendix A 146
- Appendix B Revision History 147
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