MII Connector Pin Assignment
| Contact | MII Signal | Signal Name | Contact | MII Signal | Signal Name |
|
| 1 | +5 V | Voltage | 21 | +5 V | Voltage |
|
| 2 | MDIO | MAC Data | 22 | Ground |
| |
|
|
| Input Output |
|
|
|
|
| 3 | MDC | MAC Data | 23 | Ground |
| |
|
|
| Clock |
|
|
|
|
| 4 | RXD<3> | Receive Data | 24 | Ground |
| |
|
|
| 3 bit |
|
|
|
|
| 5 | RXD<2> | Receive Data | 25 | Ground |
| |
|
|
| 2 bit |
|
|
|
|
| 6 | RXD<1> | Receive Data | 26 | Ground |
| |
|
|
| 1 bit |
|
|
|
|
| 7 | RXD<0> | Receive Data | 27 | Ground |
| |
|
|
| 0 bit |
|
|
|
|
| 8 | RX_DV | Receive Data | 28 | Ground |
| |
|
|
| Valid |
|
|
|
|
| 9 | RX_CLK | Receive | 29 | Ground |
| |
|
|
| Clock |
|
|
|
|
| 10 | RX_ER | Receive Error | 30 | Ground |
| |
| 11 | NOT USED | Not Used | 31 | Ground |
| |
| 12 | TX_CLK | Transmit | 32 | Ground |
| |
|
|
| Clock |
|
|
|
|
| 13 | TX_EN | Transmit | 33 | Ground |
| |
|
|
| Enable |
|
|
|
|
| 14 | TXD<0> | Transmit Data | 34 | Ground |
| |
|
|
| 0 bit |
|
|
|
|
| 15 | TXD<1> | Transmit Data | 35 | Ground |
| |
|
|
| 1 bit |
|
|
|
|
| 16 | TXD<2> | Transmit Data | 36 | Ground |
| |
|
|
| 2 bit |
|
|
|
|
| 17 | TXD<3> | Transmit Data | 37 | Ground |
| |
|
|
| 3 bit |
|
|
|
|
| 18 | COL | Collision | 38 | Ground |
| |
| 19 | CRS | Carry Sense | 39 | Ground |
|
60 | Cables and Connectors |
