mpc8640 Freescale Semiconductor, Inc, mpc8640 Datasheet - Page 24

• Manufacturer Part Number: mpc8640
• Description: Integrated Host Processor
• Manufacturer: Freescale Semiconductor, Inc

DDR and DDR2 SDRAM
Figure 5
Figure 6
24
ADDR/CMD
shows the DDR SDRAM output timing for the MCK to MDQS skew measurement (t
shows the DDR SDRAM output timing diagram.
MDQS[n]
MDQ[x]
MCK[n]
MCK[n]
MPC8640 and MPC8640D Integrated Host Processor Hardware Specifications, Rev. 3
MCK[n]
MCK[n]
MDQS
MDQS
Figure 6. DDR SDRAM Output Timing Diagram
Write A0
Figure 5. Timing Diagram for tDDKHMH
t
DDKHMP
t
DDKHAS
t
MCK
t
t
t
DDKHDX
DDKHMHmax) = 0.6 ns
DDKHMH(min) = –0.6 ns
,t
NOOP
DDKHCS
t
DDKHAX
t
MCK
t
D0
DDKHMH
,t
DDKHCX
t
DDKHDS
D1
t
DDKLDS
t
DDKLDX
Freescale Semiconductor
t
DDKHME
DDKHMH
).