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參數(shù)資料
| 型號(hào)： | MSC8144ESVT800B |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 數(shù)字信號(hào)處理 |
| 英文描述： | 133 MHz, OTHER DSP, PBGA783 |
| 封裝： | 29 X 29 MM, LEAD FREE, PLASTIC, FCPBGA-783 |
| 文件頁(yè)數(shù)： | 64/80頁(yè) |
| 文件大?。?/td> | 1251K |
| 代理商： | MSC8144ESVT800B |
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Hardware Design Considerations
MSC8144E Quad Core Digital Signal Processor Data Sheet, Rev. 14
Freescale Semiconductor
67
4.
NC indicates “not connected” and means do not connect anything to the pin.
5.
The phrase “in use” indicates a typical pin connection for the required function.
Note:
Please see recommendations #1 and #2 as mandatory pull-down or pull-up connection for unused pins in case of
subset interface connection.
3.4.1
DDR Memory Related Pins
This section discusses the various scenarios that can be used with DDR1 and DDR2 memory.
Note:
For information about unused differential/non-differential pins in DDR1/DDR2 modes (that is, unused negative lines
of strobes in DDR1), please refer to Table 51.
3.4.1.1
DDR Interface Is Not Used
Table 51. Connectivity of DDR Related Pins When the DDR Interface Is Not Used
Signal Name
Pin Connection
MDQ[0–31]
NC
MDQS[0–3]
NC
MDQS[0–3]
NC
MA[0–15]
NC
MCK[0–2]
NC
MCK[0–2]
NC
MCS[0–1]
NC
MDM[0–3]
NC
MBA[0–2]
NC
MCAS
NC
MCKE[0–1]
NC
MODT[0–1]
NC
MDIC[0–1]
NC
MRAS
NC
MWE
NC
MECC[0–7]
NC
ECC_MDM
NC
ECC_MDQS
NC
ECC_MDQS
NC
MVREF
GND
VDDDDR
GND
Note:
If the DDR controller is not used, disable the internal DDR clock by writing a 1 to the CLK11DIS bit in the System Clock Control
Register (SCCR[CLK!11DIS]). See Chapter 7, Clocks, in the MSC8144E Reference Manual for details.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MSC8144ESVT1000B | 133 MHz, OTHER DSP, PBGA783 |
| MSC8144EVT800B | 133 MHz, OTHER DSP, PBGA783 |
| MSC8144ETVT1000A | 133 MHz, OTHER DSP, PBGA783 |
| MSC8144VT800B | 133 MHz, OTHER DSP, PBGA783 |
| MSC8144SVT1000A | 133 MHz, OTHER DSP, PBGA783 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MSC8144ETVT1000A | 制造商:Freescale Semiconductor 功能描述:DSP 32-BIT 1GHZ 1000MIPS 783-PIN FCBGA - Bulk |
| MSC8144ETVT1000B | 制造商:Freescale Semiconductor 功能描述:DSP 32-BIT 1GHZ 1000MIPS 783-PIN FCBGA EACH - Bulk 制造商:Freescale Semiconductor 功能描述:ENCRYPTION PACSUN R2.1 783FCPBGA |
| MSC8144ETVT800A | 制造商:Rochester Electronics LLC 功能描述: 制造商:Freescale Semiconductor 功能描述: |
| MSC8144ETVT800B | 制造商:Freescale Semiconductor 功能描述:ENCRYPTION PACSUN R2.1 783FCPBGA |
| MSC8144EVT1000A | 制造商:Freescale Semiconductor 功能描述:DSP 32BIT 1GHZ 1000MIPS 783FCBGA - Trays |
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