mpc8309 Freescale Semiconductor, Inc, mpc8309 Datasheet - Page 19
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mpc8309
Manufacturer Part Number
mpc8309
Description
Powerquicc Ii Pro Integrated Communications Processor Family Hardware Specifications
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MPC8309.pdf
(82 pages)
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Figure 5
Figure 6
Freescale Semiconductor
MPC8309 PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications, Rev. 0
ADDR/CMD
shows the DDR SDRAM output timing for the MCK to MDQS skew measurement (t
shows the DDR2 SDRAM output timing diagram.
MDQS[n]
MECC[x]
MDQ[x]/
MCK[n]
MCK[n]
Figure 6. DDR2 SDRAM Output Timing Diagram
MDQS
MDQS
Write A0
MCK
MCK
Figure 5. Timing Diagram for t
t
DDKHMP
t
DDKHAS
t
MCK
t
DDKHDX
t
DDKHMH
t
,t
NOOP
DDKHMH
DDKHCS
t
t
DDKHAX
MCK
(min) = –0.6 ns
D0
(max) = 0.6 ns
,t
t
DDKHMH
DDKHCX
t
DDKHDS
D1
DDKHMH
t
DDKLDS
t
DDKLDX
t
DDKHME
DDR2 SDRAM
DDKHMH
19
).