MPC8544COMEDEV Freescale Semiconductor, MPC8544COMEDEV Datasheet - Page 673
MPC8544COMEDEV
Manufacturer Part Number
MPC8544COMEDEV
Description
KIT DEV EXPRESS MPC8544COM
Manufacturer
Freescale Semiconductor
Type
MPUr
Datasheets
1.MPC8544VTALF.pdf
(117 pages)
2.MPC8544VTALF.pdf
(2 pages)
3.MPC8544VTALF.pdf
(1340 pages)
Specifications of MPC8544COMEDEV
Contents
Board
For Use With/related Products
MPC8544
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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14.4.3.7.3
This parameter, controlled by LSDMR[CL] for latency of 1, 2, or 3 and by LCRR[ECL] for latency of
more than 3, defines the timing for first read data after a column address is sampled by the SDRAM.
14.4.3.7.4
This parameter, controlled by LSDMR[WRC], defines the earliest timing for a PRECHARGE command
after the last data was written to the SDRAM.
Freescale Semiconductor
LSDDQM[0:3]
LSDDQM[0:3]
LAD[0:31]
LAD[0:31]
LSDRAS
LSDCAS
LSDRAS
LSDCAS
LSDWE
LSDWE
LCLK
LALE
LCS n
LCLK
LCS n
LALE
MPC8544E PowerQUICC III Integrated Host Processor Family Reference Manual, Rev. 1
Column Address to First Data Out—CAS Latency
Last Data In to Precharge—Write Recovery
ZZZZZZZZ
ZZZZZZZZ
1111
CAS ADD
1111
Figure 14-39. WRC = 2 (2 Clock Cycles)
Command
D0
Figure 14-38. CL = 2 (2 Clock Cycles)
RAS ADD
WRITE
D1
XXXX
0000
D2
CAS ADD
Last Data In
D3
Command
READ
ZZZZZZZZ
RAS ADD
WRC = 2
CL = 2
PRECHARGE
0000
Command
First Data Out
D0
X
1111
D1
D2
CAS ADD
D3
Local Bus Controller
1111
D0
0000
D1
14-53
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