Ethernet Physical Interfaces Signal Summary - Freescale Semiconductor MPC8313E Family Reference Manual

15.6.1.6

Ethernet Physical Interfaces Signal Summary

Table 15-137 describes the signal multiplexing for MII and RMII interfaces.
eTSEC Signals
Frequency [MHz] 125
Voltage[V] 3.3/2.5
Signals
(TSEC n _)
GTX_CLK
TX_CLK
TxD[0]
TxD[1]
TxD[2]
TxD[3]
TX_EN
TX_ER
RX_CLK
RxD[0]
RxD[1]
RxD[2]
RxD[3]
RX_DV
RX_ER
COL
CRS
Sum
Table 15-138 describes the signal multiplexing for RGMII and RTBI interfaces.
eTSEC Signals
Frequency [MHz] 125
Voltage[V] 3.3/2.5
Signals
(TSEC n _)
GTX_CLK
TX_CLK
TxD[0]
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Table 15-137. MII and RMII Signals Multiplexing
MII Interface
Frequency [MHz] 25
Voltage[V] 3.3
No. of Signals
I/O
Signals (TSEC n _)
O 1
I 1 TX_CLK
O 1 TxD[0]
O 1 TxD[1]
O 1 TxD[2]
O 1 TxD[3]
O 1 TX_EN
O 1 TX_ER
I 1 RX_CLK
I 1 RxD[0]
I 1 RxD[1]
I 1 RxD[2]
I 1 RxD[3]
I 1 RX_DV
I 1 RX_ER
I 1 COL
I 1 CRS
25
Sum
Table 15-138. RGMII and RTBI Signals Multiplexing
RGMII Interface
Frequency [MHz] 125
Voltage[V] 2.5
No. of Signals
I/O
Signals (TSEC n _)
O 1 GTX_CLK
I 1
O 1 TxD[0
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RMII Interface
Frequency [MHz] 50
Voltage[V] 3.3
No. of Signals
I/O
Signals (TSEC n _)
I 1 REF_CLK
O 1 TxD[0]
O 1 TxD[1]
O 1
O 1
O 1 TX_EN
O 1
I 1
I 1 RxD[0]
I 1 RxD[1]
I 1
I 1
I 1 CRS_DV
I 1 RX_ER
I 1
I 1
16
Sum
RTBI Interface
Frequency [MHz] 62.5
Voltage[V] 2.5
No. of Signals
I/O
Signals (TSEC n _)
O 1 GTX_CLK
O 1 TCG[0]/TCG[5]
No. of
I/O
Signals
I 1
O 1
O 1
O 1
I 1
I 1
I 1
I 1
8
No. of
I/O
Signals
O 1
O 1
15-141