Figure 11-21. acttorw = 2 (2 clock cycles), 3 column address to first data out-cas latency, Figure 11-22. cl = 2 (2 clock cycles) – Freescale Semiconductor MPC8260 User Manual
Page 458: Column address to first data out—cas latency -40, Acttorw = 2 (2 clock cycles) -40, Cl = 2 (2 clock cycles) -40, Section 11.4.6.3, “column, Address to first data out—cas latency, 3 column address to first data out—cas latency
Memory Controller
MPC8260 PowerQUICC II Family Reference Manual, Rev. 2
11-40
Freescale Semiconductor
Figure 11-21. ACTTORW = 2 (2 Clock Cycles)
11.4.6.3
Column Address to First Data Out—CAS Latency
As seen in
, this parameter, controlled by P/LSDMR[CL], defines the timing for first read data
after a column address is sampled by the SDRAM.
Figure 11-22. CL = 2 (2 Clock Cycles)
CLK
ALE
CS
SDRAS
SDCAS
Rbz
WE
DQM
ACTIVATE
MA[0–11]
Command
ACTTORW = 2
DATA
D0
D1
D2
D3
WRITE
Command
Cbz
CLK
ALE
CSn
SDRAS
SDCAS
MA[0–11]
Row
Column
WE
DQMn
Data
D0
D1
D2
D3
Activate
Read
First data out
CL = 2