參數(shù)資料
型號: MSC8144E
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
元件分類: 數(shù)字信號處理
英文描述: Quad Core Digital Signal Processor
中文描述: 四核心數(shù)字信號處理器
文件頁數(shù): 71/80頁
文件大?。?/td> 1145K
代理商: MSC8144E
Hardware Design Considerations
MSC8144E Quad Core Digital Signal Processor Data Sheet, Rev. 6
Freescale Semiconductor
71
3.4.4.2
Ethernet Controller 2 (GE2) Related Pins
Note:
Table 64
and
Table 66
assume that the alternate function of the specified pin is not used. If the alternate function is
used, connect the pin as required to support that function.
3.4.4.2.1
GE2 interface Is Not Used
Table 64
assumes that the GE2 pins are not used for any purpose (including any multiplexed function) and that V
DDGE2
is tied
to GND.
3.4.4.2.2
Subset of GE2 Pins Required
When only a subset of the whole GE2 interface is used, such as for RMII, the unused GE2 pins should be connected as described
in
Table 65
. The table assumes that the unused GE2 pins are not used for any purpose (including any multiplexed functions)
and that V
DDGE2
is tied to either 2.5 V or 3.3 B.
GE1_SGMII_TX
NC
GE1_TD[0-3]
NC
GE1_TX_CLK
GND
GE1_TX_EN
NC
GE1_TX_ER
NC
Table 64. Connectivity of GE2 Related Pins When the GE2 Interface Is Not Used
Signal Name
Pin Connection
GE2_RD[0-3]
NC
GE2_RX_CLK
NC
GE2_RX_DV
NC
GE2_RX_ER
NC
GE2_SGMII_RX
GND
SXC
GE2_SGMII_RX
GND
SXC
GE2_SGMII_TX
NC
GE2_SGMII_TX
NC
GE2_TCK
Nc
GE2_TD[0–3]
Nc
GE2_TX_EN
NC
Table 65. Connectivity of GE1 Related Pins When only a subset of the GE1 Interface Is required
Signal Name
Pin Connection
GE2_RD[0-3]
GND
GE2_RX_CLK
GND
GE2_RX_DV
GND
GE2_RX_ER
GND
GE2_SGMII_RX
GND
SXC
Table 63. Connectivity of GE1 Related Pins When only a subset of the GE1 Interface Is required (continued)
Signal Name
Pin Connection
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