参数资料
型号: MSC8144ADS
厂商: Freescale Semiconductor
文件页数: 69/80页
文件大小: 0K
描述: ADS FOR MSC8144 DEVICE
标准包装: 1
类型: DSP
适用于相关产品: MSC8144
所含物品: AMC 卡、电源、缆线、USB TAP、硬件和说明文档
Hardware Design Considerations
Table 52. Connectivity of DDR Related Pins When Using 16-bit DDR Memory Only (continued)
MWE
MV REF
V DDDDR
Signal Name
Pin connection
in use
1/2*V DDDDR
2.5 V or 1.8 V
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 53. Connectivity of Unused ECC Mechanism Pins
MECC[0–7]
ECC_MDM
ECC_MDQS
ECC_MDQS
Signal Name
Pin connection
pull-up to V DDDDR
NC
pull-down to GND
pull-up to V DDDDR
3.4.2
3.4.2.1
Serial RapidIO Interface Related Pins
Serial RapidIO interface Is Not Used
Table 54. Connectivity of Serial RapidIO Interface Related Pins When the RapidIO Interface Is Not Used
SRIO_IMP_CAL_RX
SRIO_IMP_CAL_TX
SRIO_REF_CLK
SRIO_REF_CLK
SRIO_RXD[0–3]
SRIO_RXD[0–3]
SRIO_TXD[0–3]
SRIO_TXD[0–3]
V DDRIOPLL
GND RIOPLL
GND SXP
GND SXC
V DDSXP
V DDSXC
Signal Name
Pin Connection
GND
GND
GND
GND
GND
GND
NC
NC
GND
GND
GND
GND
GND
GND
MSC8144 Quad Core Digital Signal Processor Data Sheet, Rev. 16
Freescale Semiconductor
69
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