Freescale Semiconductor MPC8260 User Manual
Page 462
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Memory Controller
MPC8260 PowerQUICC II Family Reference Manual, Rev. 2
11-44
Freescale Semiconductor
Figure 11-29. SDRAM Single-Beat Read, Page Hit, CL = 3
Figure 11-30. SDRAM Two-Beat Burst Read, Page Closed, CL = 3
Figure 11-31. SDRAM Four-Beat Burst Read, Page Miss, CL = 3
CLK
ALE
CS
SDRAS
SDCAS
MA[0–11]
Column
WE
DQM
Data
D0
Z
CLK
ALE
CS
SDRAS
SDCAS
MA[0–11]
Row
Column
WE
DQM
Data
D0
D1
CLK
ALE
CS
SDRAS
SDCAS
MA[0–11]
WE
DQM
Data
D0
Z
A10 = 1
BS
*
* BS—Bank select according to SDRAM organization. A10 = 1 means all banks are precharged.
Row
CAS Latency = 3
Col
D1
D2
D4
Deactivate
Activate