MSC8144 Freescale Semiconductor, MSC8144 Datasheet - Page 72

• Manufacturer Part Number: MSC8144
• Description: Quad Core Digital Signal Processor
• Manufacturer: Freescale Semiconductor

Hardware Design Considerations
Table 61. Connectivity of GE1 Related Pins When only a subset of the GE1 Interface Is required (continued)
3.3.4.2
Note:
3.3.4.2.1
Table 62
to GND.
3.3.4.2.2
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
and that V
72
GE1_SGMII_TX
GE1_TD[0-3]
GE1_TX_CLK
GE1_TX_EN
GE1_TX_ER
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
GE2_RD[0-3]
GE2_RX_CLK
GE2_RX_DV
GE2_RX_ER
GE2_SGMII_RX
Table
Table 63. Connectivity of GE1 Related Pins When only a subset of the GE1 Interface Is required
63. The table assumes that the unused GE2 pins are not used for any purpose (including any multiplexed functions)
Table 62
used, connect the pin as required to support that function.
assumes that the GE2 pins are not used for any purpose (including any multiplexed function) and that V
DDGE2
Table 62. Connectivity of GE2 Related Pins When the GE2 Interface Is Not Used
Ethernet Controller 2 (GE2) Related Pins
is tied to either 2.5 V or 3.3 B.
GE2 interface Is Not Used
Subset of GE2 Pins Required
and
Table 64
Signal Name
Signal Name
Signal Name
MSC8144 Quad Core Digital Signal Processor Data Sheet, Rev. 1
assume that the alternate function of the specified pin is not used. If the alternate function is
Pin Connection
Pin Connection
Pin Connection
GND
GND
GND
GND
GND
GND
GND
GND
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
Nc
Nc
SXC
SXC
SXC
Freescale Semiconductor
DDGE2
is tied