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AL103 Revision 1.0
9/00
Reference Only / Allayer Communications
8
M1RXD3
M1RXD2
M1RXD1
M1RXD0
43
41
40
39
I
Receive Data - NRZ data from the transceiver.
For MII interface, signal RX_DV, RX_ER and RX_D0 through
RX_D3 are sampled by the rising edge of RX_CLK.
M1RXDV
38
I
Receive Data Valid.
M1RXCLK
37
I
Receive Clock.
M1RXER
36
I
Receive Data Error.
M1CRS
25
I
Carrier Sense.
M1COL
27
I
Collision Detect.
Table 3: MII Interface Port 2
PIN
NAME
PIN
NUMBER
I/O
DESCRIPTION
M2TXD3
M2TXD2
M2TXD1
M2TXD0
50
51
52
54
O
Transmit Data - NRZ data to be transmitted to transceiver.
Signal TX_EN and TXD0 through TX_D3 are clocked out by
the rising edge of TX_CLK.
M2TXEN
55
O
Transmit Enable.
Synchronous to the transmit clock.
M2TXCLK
56
I
Transmit Clock Input.
25 MHz for 100 Mbit/s and 2.5 MHz for 10 Mbit/s.
M2RXD3
M2RXD2
M2RXD1
M2RXD0
69
67
61
60
I
Receive Data - NRZ data from the transceiver.
For MII interface, signal RX_DV, RX_ER and RX_D0 through
RX_D3 are sampled by the rising edge of RX_CLK.
M2RXDV
59
I
Receive Data Valid.
M2RXCLK
58
I
Receive Clock.
M2RXER
57
I
Receive Data Error.
M2CRS
46
I
Carrier Sense.
M2COL
48
I
Collision Detect.
Table 2: MII Interface Port 1 (Continued)
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