PPC405EX-NPAFFFTX AMCC [Applied Micro Circuits Corporation], PPC405EX-NPAFFFTX Datasheet - Page 64

• Manufacturer Part Number: PPC405EX-NPAFFFTX
• Description: PowerPC 405EX Embedded Processor
• Manufacturer: AMCC [Applied Micro Circuits Corporation]

PPC405EX – PowerPC 405EX Embedded Processor
Figure 10. DDR SDRAM Read Cycle Timing—Example
64
DDR 1X Clock
DDR 2X Clock
Memclk (Diff.)
DQS at
MemCntl Pin
Data at Pin
Feedback
Output
Delayed DQS
Data Out Stage 1 (0)
Data Out Stage 1 (1)
Data out Stage 1 (2)
Data Out Stage 2
PLB 1X Clock
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 1.09 - August 21, 2007
D7
D8
D2
D3
T4
AMCC Proprietary
D9