參數(shù)資料
型號: MSC8144EC
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): 70/80頁
文件大?。?/td> 1145K
代理商: MSC8144EC
MSC8144EC Quad Core Digital Signal Processor Data Sheet, Rev. 6
Hardware Design Considerations
Freescale Semiconductor
70
3.4.4
Ethernet Related Pins
3.4.4.1
Ethernet Controller 1 (GE1) Related Pins
Note:
Table 63
and
Table 64
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.
3.4.4.1.1
GE1 Interface Is Not Used
Table 63
assumes that the GE1 signals are not used for any purpose (including any multiplexed functions) and that V
DDGE1
is
tied to GND.
3.4.4.1.2
Subset of GE1 Pins Required
When only a subset of the whole GE1 interface is used, such as for RMII, the unused GE1 pins should be connected as described
in
Table 64
. This table assumes that the unused GE1 pins are not used for any purpose (including any multiplexed function) and
that V
DDGE1
is tied to either 2.5 V or 3.3 V.
Table 62. Connectivity of GE1 Related Pins When the GE1 Interface Is Not Used
Signal Name
Pin Connection
GE1_COL
NC
GE1_CRS
NC
GE1_RD[0–4]
NC
GE1_RX_ER
NC
GE1_RX_CLK
NC
GE1_RX_DV
NC
GE1_SGMII_RX
GND
SXC
GE1_SGMII_RX
GND
SXC
GE1_SGMII_TX
NC
GE1_SGMII_TX
NC
GE1_TD[0–4]
NC
GE1_TX_CLK
NC
GE1_TX_EN
NC
GE1_TX_ER
NC
Table 63. Connectivity of GE1 Related Pins When only a subset of the GE1 Interface Is required
Signal Name
Pin Connection
GE1_COL
GND
GE1_CRS
GND
GE1_RD[0–3]
GND
GE1_RX_ER
GND
GE1_RX_CLK
GND
GE1_RX_DV
GND
GE1_SGMII_RX
GND
SXC
GE1_SGMII_RX
GND
SXC
GE1_SGMII_TX
NC
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