參數(shù)資料
型號: MSC8144VT1000A
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 數(shù)字信號處理
英文描述: 133 MHz, OTHER DSP, PBGA783
封裝: 29 X 29 MM, LEAD FREE, PLASTIC, FCPBGA-783
文件頁數(shù): 66/80頁
文件大?。?/td> 1250K
代理商: MSC8144VT1000A
Hardware Design Considerations
MSC8144 Quad Core Digital Signal Processor Data Sheet, Rev. 16
Freescale Semiconductor
69
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.
3.4.2
Serial RapidIO Interface Related Pins
3.4.2.1
Serial RapidIO interface Is Not Used
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
Table 54. Connectivity of Serial RapidIO Interface Related Pins When the RapidIO Interface Is Not Used
Signal Name
Pin Connection
SRIO_IMP_CAL_RX
GND
SRIO_IMP_CAL_TX
GND
SRIO_REF_CLK
GND
SRIO_REF_CLK
GND
SRIO_RXD[0–3]
GND
SRIO_RXD[0–3]
GND
SRIO_TXD[0–3]
NC
SRIO_TXD[0–3]
NC
VDDRIOPLL
GND
GNDRIOPLL
GND
GNDSXP
GND
GNDSXC
GND
VDDSXP
GND
VDDSXC
GND
Table 52. Connectivity of DDR Related Pins When Using 16-bit DDR Memory Only (continued)
Signal Name
Pin connection
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