参数资料
型号: MSC8144E
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 数字信号处理
英文描述: 0-BIT, 150 MHz, OTHER DSP, PBGA783
封装: 29 X 29 MM, LEAD FREE, PLASTIC, FCPBGA-783
文件页数: 69/80页
文件大小: 2284K
代理商: MSC8144E
Hardware Design Considerations
MSC8144E Quad Core Digital Signal Processor Data Sheet, Rev. 0
Freescale Semiconductor
71
3.3.4
Ethernet Related Pins
3.3.4.1
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.
3.3.4.1.1
GE1 Interface Is Not Used
Table 63 assumes that the GE1 signals are not used for any purpose (including any multiplexed functions) and that VDDGE1 is
tied to GND.
3.3.4.1.2
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 VDDGE1 is tied to either 2.5 V or 3.3 V.
Table 63. 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
GNDSXC
GE1_SGMII_RX
GNDSXC
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 64. 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
GNDSXC
GE1_SGMII_RX
GNDSXC
GE1_SGMII_TX
NC
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