Description
1. Data format for the Altera® Triple Speed Ethernet (TSE) MegaCore® function Avalon®-ST TX interface:
a) With OMIT_CRC = 0 (in tx_cmd_stat register) and signal ff_tx_crc_fwd = 0
| Destination Address | Source Address | Length/Type | Payload Data |
| 6 bytes | 6 bytes | 2 bytes | N/A |
b) With OMIT_CRC = 1 (in tx_cmd_stat register) or signal ff_tx_crc_fwd = 1
| Destination Address | Source Address | Length/Type: | Payload Data | Frame Check Sequence |
| 6 bytes | 6 bytes | 2 bytes | N/A | 4 bytes |
2. Data Format for the Altera Triple Speed Ethernet (TSE) MegaCore function Avalon-ST RX Interface:
a) With CRC_FWD = 0 (in command_config register)
| Destination Address | Source Address | Length/Type | Payload Data |
|
6 bytes | 6 bytes | 2 bytes | N/A |
b) With CRC_FWD = 1 and PAD_EN = 0 (in command_config register)
| Destination Address | Source Address | Length/Type | Payload Data | Frame Check Sequence |
| 6 bytes | 6 bytes | 2 bytes | N/A | 4 bytes |
3. For more information on the Triple Speed Ethernet (TSE) MegaCore function Avalon-ST signals, please refer to: