參數(shù)資料
型號： MSC8254TVT800B
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 數(shù)字信號處理
英文描述： 0-BIT, OTHER DSP, PBGA783
封裝： 29 X 29 MM, LEAD FREE, PLASTIC, FCBGA-783
文件頁數(shù)： 60/68頁
文件大?。?/td> 909K
代理商： MSC8254TVT800B
Hardware Design Considerations
MSC8254 Quad-Core Digital Signal Processor Data Sheet, Rev. 4
Freescale Semiconductor
63
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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MSC8256 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Six-Core Digital Signal Processor
MSC8256_11 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Six-Core Digital Signal Processor
MSC8256ETAG1000B 制造商:Freescale Semiconductor 功能描述:DSP,STARCORE, 6-CORE - Bulk
MSC8256SAG1000B 制造商:Freescale Semiconductor 功能描述:DSP,STARCORE,6-CORE R2.1 - Bulk
MSC8256SVT1000B 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC DSPStarcore6-core R2.1 RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
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