MPC8544COMEDEV Freescale Semiconductor, MPC8544COMEDEV Datasheet - Page 380

• Manufacturer Part Number: MPC8544COMEDEV
• Description: KIT DEV EXPRESS MPC8544COM
• Manufacturer: Freescale Semiconductor
• Type: MPUr

Specifications of MPC8544COMEDEV

• Contents: Board
• For Use With/related Products: MPC8544
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

DDR Memory Controller
9-56
SDRAM Clock
SDRAM Clock
Figure 9-39. DDR SDRAM Single-Beat (Double Word) Write Timing—ACTTORW = 3
Figure 9-37. DDR SDRAM Burst Read Timing—ACTTORW = 3, MCAS Latency = 2
MPC8544E PowerQUICC III Integrated Host Processor Family Reference Manual, Rev. 1
MDM[0:7]
MDQS
MDQS
MRAS
MCAS
MDQ n
MRAS
MCAS
MDQ n
MWE
MWE
MCS
MCS
MA n
MA n
ROW
ROW
0
0
ACTTORW
1
1
ACTTORW
2
2
COL
COL
3
3
F igure 9-38. DDR SDRAM Single-Beat (Double Word) Write Timin g—ACTTOR
CASLAT
4
D0 D1 D2 D3
4
00
00
FF FF
FF FF
COL
5
5
D0
FF
FF
D1 D2 D3
6
6
WRREC
7
7
D0
PRECHARGE
A10=0
D1 D2
8
8
D3
PRETOACT
9
9
10
10
Freescale Semiconductor
ROW
11
11
12
12