Altera 40-Gbps Ethernet MAC and PHY MegaCore Function User Manual
Page 125

Word Offset
Register Description
0x118–0x11F
Reserved.
0x120
MAC hardware error register.
0x121
MAC reset register.
0x122
One of two link fault signaling registers.
0x123
CRC configuration register.
0x124
Padding configuration register. One of the MAC feature configuration
registers.
0x125
Preamble pass-through configuration register. One of the MAC feature
configuration registers.
0x126–0x127
IPG adjustment registers. Two of the MAC feature configuration registers.
0x140–0x17F
MAC address registers.
0x180–0x1FF
Reserved.
0x200–0x229
Transmit side statistics registers that are not TX packet statistics registers.
0x22A–0x22D
TX Packet Statistics.
0x22E–0x27F
Reserved.
0x280–0x2A9
Receive side statistics registers that are not RX packet statistics registers.
0x2AA–0x2B8
RX packet statistics registers.
0x2B9–0x3FF
Reserved.
0x400–0x423
40-100GbE example design registers. Refer to the following table.
0x800-0x9FF
Altera’s Low Latency PHY IP core registers, for use with the CAUI-4
configuration only. Offsets 0x800-0x9FF are for CAUI-4 lane 1, offsets
0xA00-0xBFF are for CAUI-4 lane 2, offsets 0xC00-0xDFF are for CAUI-4
lane 3, and offsets 0xE00-0xFFF are for CAUI-4 lane 4. Each lane maps to
word addresses 0x000-0x1FF for one low latency PHY transceiver channel.
0xA00-0xBFF
0xC00-0xDFF
0xE00-0xFFF
3-78
Software Interface: Registers
UG-01088
2014.12.15
Altera Corporation
Functional Description