ppc460ex Applied Micro Circuits Corporation (AMCC), ppc460ex Datasheet - Page 94

• Manufacturer Part Number: ppc460ex
• Description: Powerpc 460ex Embedded Processor
• Manufacturer: Applied Micro Circuits Corporation (AMCC)

460EX – PPC460EX Embedded Processor
Figure 13. DDR SDRAM Read Cycle Timing—Example
94
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
Preliminary Data Sheet
T3
D6
Revision 1.12 – July 17, 2008
D7
D8
D2
D3
T4
AMCC Proprietary
D9