TBD datasheet(73/80 Pages) FREESCALE

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Hardware Design Considerations

MSC8144E Quad Core Digital Signal Processor Data Sheet, Rev. 6

Freescale Semiconductor

3.4.6

TDM Interface Related Pins

Table 68 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 68 for those signals that are not selected. Table 68

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.

3.4.7

PCI Related Pins

Table 69 lists the board connections of the pins when PCI is not used. Table 69 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 68. Connectivity of TDM Related Pins When TDM Interface Is Not Used

Signal Name

Pin Connection

TDMxRCLK

GND

TDMxRDAT

GND

TDMxRSYN

GND

TDMxTCLK

GND

TDMTxDAT

GND

TDMxTSYN

GND

VDDIO

3.3 V

Notes:

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

MSC8144E Reference Manual for details.

Table 69. Connectivity of PCI Related Pins When PCI Is Not Used

Signal Name

Pin Connection

PCI_AD[0–31]

GND

PCI_CBE[0–3]

GND

PCI_CLK_IN

GND

PCI_DEVSEL

VDDIO

PCI_FRAME

VDDIO

PCI_GNT

VDDIO

PCI_IDS

GND

PCI_IRDY

VDDIO

PCI_PAR

GND

PCI_PERR

VDDIO

PCI_REQ

PCI_SERR

VDDIO

PCI_STOP

VDDIO

PCI_TRDY

VDDIO

3.3 V

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