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PPC440SP-RNC667C 数据表(PDF) 82 Page - Applied Micro Circuits Corporation

部件名 PPC440SP-RNC667C
功能描述  PowerPC 440SP Embedded Processor
PDF  85 Pages
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制造商  AMCC [Applied Micro Circuits Corporation]
网页  http://www.amcc.com
标志 AMCC - Applied Micro Circuits Corporation

PPC440SP-RNC667C 数据表(HTML) 82 Page - Applied Micro Circuits Corporation

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PowerPC 440SP Embedded Processor
82
AMCC Proprietary
Revision 1.23 - Sept 26, 2006
Data Sheet
The following figure shows the timing relationship between SDRAM DDR Data at the input pin and the store of the
data in stage 1.
Figure 11. DDR SDRAM Read Cycle Timing Example
DQS at
PLB 1X Clock
Data at pin
D0
D2
High
Low
FeedBack
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
Data out Stage 2
D1
D3
DDR 1X Clock
DDR 2X Clock
Memclk (Diff.)
Data out Stage 1 (0)
Delayed DQS
Data out Stage 1 (2)
Data out Stage 1 (1)
output
1X DDR Clk cycle
MemCntl pin
Oversampling Guard Band
Valid
Store 1st Data in Stage 2
T1
T2
T3
T4



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