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| 型號(hào)： | MSC8256TVT800B |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 數(shù)字信號(hào)處理 |
| 英文描述： | 0-BIT, OTHER DSP, PBGA783 |
| 封裝： | 29 X 29 MM, LEAD FREE, PLASTIC, FCBGA-783 |
| 文件頁(yè)數(shù)： | 59/68頁(yè) |
| 文件大?。?/td> | 910K |
| 代理商： | MSC8256TVT800B |
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MSC8256 Six-Core Digital Signal Processor Data Sheet, Rev. 3
Hardware Design Considerations
Freescale Semiconductor
62
3.5.3
RGMII Ethernet Related Pins
Note:
Table 46 and Table 47 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.
GE_MDC and GE_MDIO pins should be connected as required by the specified protocol. If neither GE1 nor GE2 is used,
Table 47 lists the recommended management pin connections.
3.5.4
TDM Interface Related Pins
Table 48 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 48 for those signals that are not selected. Table 48
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.
SR[1–2]_RXDn
SXCVSS
SR[1–2]_RXDn
SXCVSS
SR[1–2]_TXDn
NC
SR[1–2]_TXDn
NC
SR[1–2]_PLL_AVDD
in use
SR[1–2]_PLL_AGND
in use
SXPVSS
in use
SXCVSS
in use
SXPVDD
in use
SXCVDD
in use
Note:
The n indicates the lane number {0,1,2,3} for all unused lanes.
Table 46. Connectivity of RGMII Related Pins When the RGMII Interface Is Not Used
Signal Name
Pin Connection
GE1_RX_CTL
GND
GE2_TX_CTL
NC
Note:
Assuming GE1 and GE2 are disabled in the reset configuration word.
Table 47. Connectivity of GE Management Pins When GE1 and GE2 Are Not Used
Signal Name
Pin Connection
GE_MDC
NC
GE_MDIO
NC
Table 48. Connectivity of TDM Related Pins When TDM Interface Is Not Used
Signal Name
Pin Connection
TDMnRCLK
GND
TDMnRDAT
GND
TDMnRSYN
GND
Table 45. Connectivity of HSSI Related Pins When Specific Lane Is Not Used (continued)
Signal Name
Pin Connection
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