60
Cables and Connectors
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
Input Output
22
---
Ground
3
MDC
MAC Data
Clock
23
---
Ground
4
RXD<3>
Receive Data
3 bit
24
---
Ground
5
RXD<2>
Receive Data
2 bit
25
---
Ground
6
RXD<1>
Receive Data
1 bit
26
---
Ground
7
RXD<0>
Receive Data
0 bit
27
---
Ground
8
RX_DV
Receive Data
Valid
28
---
Ground
9
RX_CLK
Receive
Clock
29
---
Ground
10
RX_ER
Receive Error
30
---
Ground
11
NOT USED
Not Used
31
---
Ground
12
TX_CLK
Transmit
Clock
32
---
Ground
13
TX_EN
Transmit
Enable
33
---
Ground
14
TXD<0>
Transmit Data
0 bit
34
---
Ground
15
TXD<1>
Transmit Data
1 bit
35
---
Ground
16
TXD<2>
Transmit Data
2 bit
36
---
Ground
17
TXD<3>
Transmit Data
3 bit
37
---
Ground
18
COL
Collision
38
---
Ground