7. Control and Status Register Descriptions
This section provides information about the memory-mapped registers. You access these registers using the IP core Avalon® memory-mapped control and status interface. The registers use 32-bit addresses; they are not byte addressable.
Write operations to a read-only register field have no effect. Read operations that address a Reserved register return an unspecified result. Write operations to Reserved registers have no effect. Accesses to registers that do not exist in your IP core variation, or to register bits that are not defined in your IP core variation, have an unspecified result. You should consider these registers and register bits Reserved. Although you can only access registers in 32-bit read and write operations, you should not attempt to write or ascribe meaning to values in undefined register bits.
|Word Offset||Register Type|
|0x400-0x4FF||TX MAC registers|
|0x500-0x5FF||RX MAC registers|
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