Freescale Semiconductor MPC8260 - Manual (Page 463)

Memory Controller
MPC8260 PowerQUICC II Family Reference Manual, Rev. 2
Freescale Semiconductor 11-45
Figure 11-32. SDRAM Single-Beat Write, Page Hit
Figure 11-33. SDRAM Three-Beat Burst Write, Page Closed
Figure 11-34. SDRAM Read-after-Read Pipeline, Page Hit, CL = 3
CLK
ALE
CS
SDRAS
SDCAS
MA[0–11] Column
WE
DQM
Data D0
CLK
ALE
CS
SDRAS
SDCAS
MA[0–11] Row Column
WE
DQM
Data D0 D1 D2
CLK
ALE
CS
SDRAS
SDCAS
MA[0–11] Column1
WE
DQM
Data D0
Z Column2
D0 D1 D1
DQM latency (affects negation only) = 2