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Hardware Design Considerations
3.4.6
TDM Interface Related Pins
Table 63 lists the board connections of the TDM pins when an entire specific TDM is not used. For multiplexing options that
select a subset of a TDM interface, use the connections described in Table 63 for those signals that are not selected. Table 63
assumes that the alternate function of the specified pin is not used. If the alternate function is used, connect that pin as required
to support the selected function.
Table 63. Connectivity of TDM Related Pins When TDM Interface Is Not Used
TDM x RCLK
TDM x RDAT
TDM x RSYN
TDM x TCLK
TDMT x DAT
TDM x TSYN
V DDIO
Signal Name
Pin Connection
GND
GND
GND
GND
GND
GND
3.3 V
Notes:
3.4.7
1.
2.
x = {0, 1, 2,3, 4, 5, 6, 7}
In case of subset of TDM interface usage please make sure to disable unused TDM modules. See Chapter 20 , TDM , in the
MSC8144 Reference Manual for details.
PCI Related Pins
Table 64 lists the board connections of the pins when PCI is not used. Table 64 assumes that the alternate function of the
specified pin is not used. If the alternate function is used, connect that pin as required to support the selected function.
Table 64. Connectivity of PCI Related Pins When PCI Is Not Used
PCI_AD[0–31]
PCI_CBE[0–3]
PCI_CLK_IN
PCI_DEVSEL
PCI_FRAME
PCI_GNT
PCI_IDS
PCI_IRDY
PCI_PAR
PCI_PERR
PCI_REQ
PCI_SERR
PCI_STOP
PCI_TRDY
V DDIO
Signal Name
Pin Connection
GND
GND
GND
V DDIO
V DDIO
V DDIO
GND
V DDIO
GND
V DDIO
NC
V DDIO
V DDIO
V DDIO
3.3 V
MSC8144 Quad Core Digital Signal Processor Data Sheet, Rev. 16
74
Freescale Semiconductor
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