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MPC8540 Datasheet(PDF) 769 Page - Freescale Semiconductor, Inc

Part # MPC8540
Description  MPC8540 PowerQUICC III??Integrated Host Processor Reference Manual
PDF  1302 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MPC8540 Datasheet(HTML) 769 Page - Freescale Semiconductor, Inc

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Initialization/Application Information
MPC8540 PowerQUICC III Integrated Host Processor Reference Manual, Rev. 1
Freescale Semiconductor
14-143
14.7.1.4 RGMII Interface Mode
Table 14-131 shows the signals configurations required for RGMII interface mode.
Table 14-131. RGMII Interface Mode Signal Configuration
TSEC SIGNALS
Frequency [MHz] 125
Voltage[V] 3.3/2.5
RGMII INRTERFACE
Frequency [MHz] 125
Voltage[V] 2.5
Signals
I/O
No. of
Signals
Signals
I/O
No. of
Signals
GTX_CLK
O
1
GTX_CLK
O
1
TX_CLK
I
1
TxD[0]
O
1
TxD[0]/TxD[4]
O
1
TxD[1]
O
1
TxD[1]/TxD[5]
O
1
TxD[2]
O
1
TxD[2]/TxD[6]
O
1
TxD[3]
O
1
TxD[3]/TxD[7]
O
1
TxD[4]
O
1
TxD[5]
O
1
TxD[6]
O
1
TxD[7]
O
1
TX_EN
O
1
TX_CTL (TX_EN/TX_ERR)
O
1
TX_ER
O
1
RX_CLK
I
1
RX_CLK
I
1
RxD[0]
I
1
RxD[0]/RxD[4]
I
1
RxD[1]
I
1
RxD[1]/RxD[5]
I
1
RxD[2]
I
1
RxD[2]/RxD[6]
I
1
RxD[3]
I
1
RxD[3]/RxD[7]
I
1
RxD[4]
I
1
RxD[5]
I
1
RxD[6]
I
1
RxD[7]
I
1
RX_DV
I
1
RX_CTL
(RX_DV/RX_ERR)
I1



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