Layer3_Addr3_Reg2
For IPv4 frames, the Layer 3 Address 3 Register 2 is reserved. For IPv6 frames, it contains Bits [127:96] of the 128-bit IP Source Address or Destination Address field.
| Module Instance | Base Address | Register Address |
|---|---|---|
| emac0 | 0xFF700000 | 0xFF70047C |
| emac1 | 0xFF702000 | 0xFF70247C |
Offset: 0x47C
Access: RW
| Bit Fields | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
l3a32 RW 0x0 |
|||||||||||||||
| 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
l3a32 RW 0x0 |
|||||||||||||||
Layer3_Addr3_Reg2 Fields
| Bit | Name | Description | Access | Reset |
|---|---|---|---|---|
| 31:0 | l3a32 | When Bit 0 (L3PEN2) and Bit 2 (L3SAM2) are set in Register 280 (Layer 3 and Layer 4 Control Register 2), this field contains the value to be matched with Bits [127:96] of the IP Source Address field in the IPv6 frames. When Bit 0 (L3PEN2) and Bit 4 (L3DAM2) are set in Register 280 (Layer 3 and Layer 4 Control Register 2), this field contains the value to be matched with Bits [127:96] of the IP Destination Address field in the IPv6 frames. When Bit 0 (L3PEN2) is reset in Register 280 (Layer 3 and Layer 4 Control Register 2), this register is not used. |
RW | 0x0 |