參數(shù)資料
型號(hào)： MSC8144ESVT1000B
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)： 65/80頁(yè)
文件大?。?/td> 1251K
代理商： MSC8144ESVT1000B
MSC8144E Quad Core Digital Signal Processor Data Sheet, Rev. 14
Hardware Design Considerations
Freescale Semiconductor
68
3.4.1.2
16-Bit DDR Memory Only
Table 52 lists unused pin connection when using 16-bit DDR memory. The 16 most significant data lines are not used.
3.4.1.3
ECC Unused Pin Connections
When the error code corrected mechanism is not used in any 32- or 16-bit DDR configuration, refer to Table 53 to determine
the correct pin connections.
Table 52. Connectivity of DDR Related Pins When Using 16-bit DDR Memory Only
Signal Name
Pin connection
MDQ[0–15]
in use
MDQ[16–31]
pull-up to VDDDDR
MDQS[0–1]
in use
MDQS[2–3]
pull-down to GND
MDQS[0–1]
in use
MDQS[2–3]
pull-up to VDDDDR
MA[0–15]
in use
MCK[0–2]
in use
MCK[0–2]
in use
MCS[0–1]
in use
MDM[0–1]
in use
MDM[2–3]
NC
MBA[0–2]
in use
MCAS
in use
MCKE[0–1]
in use
MODT[0–1]
in use
MDIC[0–1]
in use
MRAS
in use
MWE
in use
MVREF
1/2*VDDDDR
VDDDDR
2.5 V or 1.8 V
Table 53. Connectivity of Unused ECC Mechanism Pins
Signal Name
Pin connection
MECC[0–7]
pull-up to VDDDDR
ECC_MDM
NC
ECC_MDQS
pull-down to GND
ECC_MDQS
pull-up to VDDDDR
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
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:
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