參數(shù)資料
型號： MCC3E0RX180WB0B
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 180 MHz, RISC PROCESSOR, CBGA728
封裝： 29 X 29 MM, 4 MM HEIGHT, 1 MM PITCH, CERAMIC, FCBGA-728
文件頁數(shù)： 51/120頁
文件大?。?/td> 1633K
代理商： MCC3E0RX180WB0B
36
CHAPTER 2: SIGNAL DESCRIPTIONS
C3ENPA1-DS/D REV 03
MOTOROLA GENERAL BUSINESS INFORMATION
Gigabit Ethernet (GMII) Configuration
Gigabit Ethernet Media Independent Interface (GMII) is configured in one of two ways:
Use one CP cluster when density is more important than wire-speed performance
because you can then implement up to four Gigabit Ethernet ports per C-3e NP.
Use two CP clusters for wire-speed performance and additional processing power. You
can implement up to two Gigabit Ethernet ports per C-3e NP.
Table 10 lists the possible CP cluster combinations you can use and Figure 4 shows receive
and transmit pin configurations by cluster. Table 11 lists the signals and pinouts for
Gigabit Ethernet (GMII).
Figure 4 GMII/TBI Transmit and Receive Pin Configurations
Table 10 Transmit and Receive Pin Combinations for Gigabit Ethernet and Fibre Channel
CLUSTER
SINGLE CLUSTER MODE (TBI OR GMII)
TWO CLUSTER MODE (GMII)*
* The Two Cluster Mode column lists typical configurations. Any cluster can be set up to either receive
or transmit. So you could configure a dual cluster mode where cluster 0 receives and cluster 3
transmits.
0
Port 1 Tx and Rx
Port 1 Tx
1
Port 2 Tx and Rx
Port 1 Rx
Cluster
0
Cluster
1
Cluster
2
Cluster
3
Port 1
Port 2
}
Tx
Rx
Single Cluster Mode
Pin Configuration
Port 1
}
Tx
Rx
Two Cluster Mode
Pin Configuration
nc
nc = not connected
Cluster
0
Cluster
1
Cluster
2
Cluster
3
NOTE: Cluster 2 & 3 are Internal Loopback Only.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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