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MPC8540 Datasheet(PDF) 735 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) 735 Page - Freescale Semiconductor, Inc

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Functional Description
MPC8540 PowerQUICC III Integrated Host Processor Reference Manual, Rev. 1
Freescale Semiconductor
14-109
Table 14-111 describes the signal multiplexing for RGMII and RTBI interfaces.
TX_EN
O
1
TX_EN
O
1
TX_EN
O
1
TCG[8]
O
1
TX_ER
O
1
TX_ER
O
1
TX_ER
O
1
TCG[9]
O
1
RX_CLK
I
1
RX_CLK
I
1
RX_CLK
I
1
RX_CLK0
I
1
RxD[0]
I
1
RxD[0]
I
1
RxD[0]
I
1
RCG[0]
I
1
RxD[1]
I
1
RxD[1]
I
1
RxD[1]
I
1
RCG[1]
I
1
RxD[2]
I
1
RxD[2]
I
1
RxD[2]
I
1
RCG[2]
I
1
RxD[3]
I
1
RxD[3]
I
1
RxD[3]
I
1
RCG[3]
I
1
RxD[4]
I
1
RxD[4]
I
1
RCG[4]
I
1
RxD[5]
I
1
RxD[5]
I
1
RCG[5]
I
1
RxD[6]
I
1
RxD[6]
I
1
RCG[6]
I
1
RxD[7]
I
1
RxD[7]
I
1
RCG[7]
I
1
RX_DV
I
1
RX_DV
I
1
RX_DV
I
1
RCG[8]
I
1
RX_ER
I
1
RX_ER
I
1
RX_ER
I
1
RCG[9]
I
1
COL
I
1
COL
I
1
CRS
I
1
CRS
I
1
SDET
I
1
Sum
25
Sum
23
Sum
16
Sum
24
Table 14-111. RGMII and RTBI Signal Multiplexing
TSEC Signals
Frequency [MHz] 125
Voltage[V] 3.3/2.5
RGMII Interface
Frequency [MHz] 125
Voltage[V] 2.5
RTBI Interface
Frequency [MHz] 62.5
Voltage[V] 2.5
Signals
(TSECn_)
I/O
No. of
Signal
s
Signals
(TSECn_)
I/O
No. of
Signal
s
Signals
(TSECn_)
I/O
No. of
Signals
GTX_CLK
O
1
GTX_CLK
O
1
GTX_CLK
O
1
TX_CLK
I
1
TxD[0]
O
1
TxD[0]/TxD[4]
O
1
TCG[0]/TCG[5]
O
1
TxD[1]
O
1
TxD[1]/TxD[5]
O
1
TCG[1]/TCG[6]
O
1
TxD[2]
O
1
TxD[2]/TxD[6]
O
1
TCG[2]/TCG[7]
O
1
TxD[3]
O
1
TxD[3]/TxD[7]
O
1
TCG[3]/TCG[8]
O
1
Table 14-110. GMII, MII, and TBI Signal Multiplexing (continued)
TSEC Signals
Frequency [MHz] 125
Voltage[V] 3.3/2.5
GMII Interface
Frequency [MHz] 125
Voltage[V] 3.3
MII Interface
Frequency [MHz] 25
Voltage[V] 3.3
TBI Interface
Frequency [MHz] 62.5
Voltage[V] 3.3



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