參數(shù)資料
型號： MSC8154ETVT1000B
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)： 54/68頁
文件大小： 912K
代理商： MSC8154ETVT1000B
MSC8154E Quad-Core Digital Signal Processor with Security Data Sheet, Rev. 2
Hardware Design Considerations
Freescale Semiconductor
58
3.3
Clock and Timing Signal Board Layout Considerations
When laying out the system board, use the following guidelines:
Keep clock and timing signal paths as short as possible and route with 50
Ω impedance.
Use a serial termination resistor placed close to the clock buffer to minimize signal reflection. Use the following
equation to compute the resistor value:
Rterm = Rim – Rbuf
where Rim = trace characteristic impedance
Rbuf = clock buffer internal impedance.
3.4
SGMII AC-Coupled Serial Link Connection Example
Figure 39 shows an example of a 4-wire AC-coupled serial link connection. For additional layout suggestions, see AN3556
MSC815x High Speed Serial Interface Hardware Design Considerations, available on the Freescale website or from your local
sales office or representative.
Figure 39. 4-Wire AC-Coupled SGMII Serial Link Connection Example
SGMII
SerDes Interface
50
Ω
50
Ω
Transmitter
SR[1–2]_TX[[1–2]
SR[1–2]_RX[1–2]
SR[1–2]_TX[1–2]
SR[1–2]_RX[1–2]
Receiver
CTX
50
Ω
50
Ω
SR[1–2]_RX[1–2]
SR[1–2]_RX[1–2]]
Receiver
Transmitter
SR[1–2]_TX[1–2
]
SR[1–2]_TX[1–2]
CTX
50
Ω
50
Ω
50
Ω
50
Ω
相關(guān)PDF資料
PDF描述
MSC8252TVT1000B 0-BIT, OTHER DSP, PBGA783
MSC8252SVT1000B 0-BIT, OTHER DSP, PBGA783
MSD1010LT3 100 mA, 15 V, PNP, Si, SMALL SIGNAL TRANSISTOR
MSD1010LT1 100 mA, 15 V, PNP, Si, SMALL SIGNAL TRANSISTOR
MMBT1010LT3 100 mA, 15 V, PNP, Si, SMALL SIGNAL TRANSISTOR, TO-236AB
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MSC8154EVT1000B 制造商:Freescale Semiconductor 功能描述:DSP, STARCORE, 6-CORES - Bulk
MSC8154SVT1000A 制造商:Freescale Semiconductor 功能描述:DSP, STARCORE, 4-CORES - Bulk
MSC8154SVT1000B 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC DSP StarCore 6-cores 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(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)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
MSC8154TVT1000A 制造商:Freescale Semiconductor 功能描述:DSP, STARCORE, 4-CORES - Bulk
MSC8154TVT1000B 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC DSP StarCore 6-cores 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(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)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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