BCM5722 Programmer’s Guide
10/15/07
Word Swap Non-Frame Data = 1 and Byte Swap Non-Frame Data = 1......................................151
Section 10: Ethernet Link Configuration....................................................................... 152
Overview....................................................................................................................................................152
GMII/MII......................................................................................................................................................152
Configuring the BCM5722 Ethernet controller for GMII and MII Modes..............................................152
Link Status Change Indications...........................................................................................................153
Configuring the GMII/MII PHY.............................................................................................................153
Reading a PHY Register ..............................................................................................................153
Writing a PHY Register ................................................................................................................154
MDI Register Access ................................................................................................................................155
Operational Characteristics .................................................................................................................155
Access Methods ..................................................................................................................................155
Traditional Bit-Bang Method.........................................................................................................156
Auto-Access Method ....................................................................................................................156
PHY Setup and Initialization ....................................................................................................................157
Setup and Initialization Procedure................................................................................................157
Wake on LAN Mode/Low-Power..............................................................................................................158
Description...........................................................................................................................................158
Functional Overview............................................................................................................................159
Operational Characteristics .................................................................................................................160
Internal Memory ...........................................................................................................................160
WOL Pattern Configuration Register............................................................................................160
WOL Streams...............................................................................................................................161
Pattern Data Structure..................................................................................................................163
Firmware Mailbox.........................................................................................................................165
PHY Auto-Negotiation ..................................................................................................................165
Power Management .....................................................................................................................166
Register Quick Cross Reference.........................................................................................................167
Integrated PHYs...........................................................................................................................167
Integrated MACs ..........................................................................................................................168
WOL Data Flow Diagram.....................................................................................................................169
Flow Control..............................................................................................................................................170
Description...........................................................................................................................................170
Operational Characteristics .................................................................................................................170
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