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參數(shù)資料
| 型號： | MSC8144E |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | 0-BIT, 150 MHz, OTHER DSP, PBGA783 |
| 封裝： | 29 X 29 MM, LEAD FREE, PLASTIC, FCPBGA-783 |
| 文件頁數(shù)： | 63/80頁 |
| 文件大?。?/td> | 2284K |
| 代理商： | MSC8144E |
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MSC8144E Quad Core Digital Signal Processor Data Sheet, Rev. 0
Hardware Design Considerations
Freescale Semiconductor
66
3.1.2
Start-Up Timing
Section 2.7.1 describes the start-up timing.
3.2
3.2.1
PLL Supplies
Each PLL supply must have an external RC filter for the VDDPLL input. The filter is a 10 Ω resistor in series with two 2.2 μF,
low ESL (<0.5 nH) and low ESR capacitors. All three PLLs can connect to a single supply voltage source (such as a voltage
regulator) as long as the external RC filter is applied to each PLL separately (see Figure 45). For optimal noise filtering, place
the circuit as close as possible to its VDDPLL inputs. These traces should be short and direct.
Figure 45. PLL Supplies
3.2.2
Other Supplies
TBD
3.3
Connectivity Guidelines
Note:
Although the package actually uses a ball grid array, the more conventional term pin is used to denote signal
connections in this discussion.
First, select the pin multiplexing mode to allocate the required I/O signals. Then use the guidelines presented in the following
subsections for board design and connections. The following conventions are used in describing the connectivity requirements:
1.
GND indicates using a 10 k
Ω pull-down resistor (recommended) or a direct connection to the ground plane. Direct
connections to the ground plane may yield DC current up to 50mA through the I/O supply that adds to overall power
consumption.
MSC8144
VDDPLL0
10
Ω
2.2
μF
2.2
μF
VDDPLL0
10
Ω
2.2
μF
2.2
μF
VDDPLL0
10
Ω
2.2
μF
2.2
μF
Voltage Regulator
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MSC8144EC | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Quad Core Digital Signal Processor |
| MSC8144ESVT1000B | 制造商:Freescale Semiconductor 功能描述:DSP 32-BIT 1GHZ 1000MIPS 783-PIN FCBGA BOX - Trays 制造商:Freescale Semiconductor 功能描述:ENCRYPTION PACSUN R2.1 783FCPBGA |
| MSC8144ESVT800A | 制造商:Freescale Semiconductor 功能描述:DSP 32BIT 800MHZ 800MIPS 783FCBGA - Trays |
| MSC8144ESVT800B | 制造商:Freescale Semiconductor 功能描述:DSP 32-BIT 800MHZ 800MIPS 783-PIN FCBGA EACH - Bulk 制造商:Freescale Semiconductor 功能描述:ENCRYPTION PACSUN R2.1 783FCPBGA |
| MSC8144ETVT1000A | 制造商:Freescale Semiconductor 功能描述:DSP 32-BIT 1GHZ 1000MIPS 783-PIN FCBGA - Bulk |
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