参数资料
型号: MSC8144ADS
厂商: Freescale Semiconductor
文件页数: 72/80页
文件大小: 0K
描述: ADS FOR MSC8144 DEVICE
标准包装: 1
类型: DSP
适用于相关产品: MSC8144
所含物品: AMC 卡、电源、缆线、USB TAP、硬件和说明文档
Hardware Design Considerations
Table 58. Connectivity of GE1 Related Pins When only a subset of the GE1 Interface Is required (continued)
GE1_SGMII_TX
GE1_TD[0-3]
GE1_TX_CLK
GE1_TX_EN
GE1_TX_ER
Signal Name
Pin Connection
NC
NC
GND
NC
NC
3.4.4.2
Ethernet Controller 2 (GE2) Related Pins
Note:
Table 59 through Table 61 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 59 assumes that the GE2 pins are not used for any purpose (including any multiplexed function) and that V DDGE2 is tied
to GND.
Table 59. Connectivity of GE2 Related Pins When the GE2 Interface Is Not Used
GE2_RD[0-3]
GE2_RX_CLK
GE2_RX_DV
GE2_RX_ER
GE2_SGMII_RX
GE2_SGMII_RX
GE2_SGMII_TX
GE2_SGMII_TX
GE2_TCK
GE2_TD[0–3]
GE2_TX_EN
Signal Name
Pin Connection
NC
NC
NC
NC
GND SXC
GND SXC
NC
NC
Nc
Nc
NC
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 60 . 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 V.
Table 60. Connectivity of GE1 Related Pins When only a subset of the GE1 Interface Is required
GE2_RD[0-3]
GE2_RX_CLK
GE2_RX_DV
GE2_RX_ER
GE2_SGMII_RX
Signal Name
Pin Connection
GND
GND
GND
GND
GND SXC
MSC8144 Quad Core Digital Signal Processor Data Sheet, Rev. 16
72
Freescale Semiconductor
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