ppc405ex Applied Micro Circuits Corporation (AMCC), ppc405ex Datasheet - Page 68
ppc405ex
Manufacturer Part Number
ppc405ex
Description
Powerpc 405ex Embedded Processor
Manufacturer
Applied Micro Circuits Corporation (AMCC)
Datasheet
1.PPC405EX.pdf
(74 pages)
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PPC405EX – PowerPC 405EX Embedded Processor
Figure 12. DDR SDRAM Read Cycle Timing—Example
68
DDR 1X Clock
DDR 2X Clock
MemClkOut0 (Diff.)
DQS at Pin
MemData at Pin
MemFBR at Pin
Delayed DQS
Data Out Stage 1 (0)
Data Out Stage 1 (1)
Data out Stage 1 (2)
Data Out Stage 2
DDR 1X Clock cycle
High
Low
D0
D1
Oversampling Guard Band
D2
Valid
T1
D3
Store 1st Data
in Stage 2
T2
D4
D0
D1
D5
T3
Preliminary Data Sheet
D6
Revision 1.21 - July 9, 2008
D7
D8
D2
D3
T4
AMCC Proprietary
D9