MSC8144 Freescale Semiconductor, MSC8144 Datasheet - Page 73

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

Table 63. Connectivity of GE1 Related Pins When only a subset of the GE1 Interface Is required (continued)
3.3.4.3
GE_MDC and GE_MDIO pins should be connected as required by the specified protocol. If neither GE1 nor GE2 is used (that
is,
3.3.5
Table 65
interface is used. For multiplexing options that select a subset of the UTOPIA interface, use the connections described in
Table 65
the alternate function is used, connect that pin as required to support the selected function.
Freescale Semiconductor
GE2_SGMII_RX
GE2_SGMII_TX
GE2_SGMII_TX
GE2_TCK
GE2_TD[0–3]
GE2_TX_EN
GE_MDC
GE_MDIO
UTP_IR
UTP_RADDR[0–4]
UTP_RCLAV_PDRPA
UTP_RCLK
UTP_RD[0–15]
UTP_REN
UTP_RPRTY
UTP_RSOC
UTP_TADDR[0–4]
UTP_TCLAV
UTP_TCLK
UTP_TD[0–15]
UTP_TEN
UTP_TPRTY
UTP_TSOC
V
DDIO
V
DDGE2
lists the board connections of the UTOPIA pins when the entire UTOPIA interface is not used or subset of UTOPIA
for those signals that are not selected.
is connected to GND),
Table 65. Connectivity of UTOPIA Related Pins When UTOPIA Interface Is Not Used
UTOPIA Related Pins
Table 64. Connectivity of GE Management Pins When GE1 and GE2 Are Not Used
GE1 and GE2 Management Pins
Signal Name
Signal Name
Signal Name
MSC8144 Quad Core Digital Signal Processor Data Sheet, Rev. 1
Table 64
lists the recommended management pin connections.
Table 65
assumes that the alternate function of the specified pin is not used. If
Pin Connection
Pin Connection
Pin Connection
GND
Hardware Design Considerations
V
V
V
V
GND
GND
GND
GND
GND
GND
3.3 V
NC
NC
NC
NC
NC
NC
NC
DDIO
NC
DDIO
DDIO
NC
NC
DDIO
NC
NC
SXC
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