MPC8544DS Freescale Semiconductor, MPC8544DS Datasheet - Page 387

• Manufacturer Part Number: MPC8544DS
• Description: BOARD DEVELOPMENT SYSTEM 8544
• Manufacturer: Freescale Semiconductor
• Series: PowerQUICC III™r
• Type: MPUr

Specifications of MPC8544DS

• Contents: Board
• Processor To Be Evaluated: MPC8544E
• Data Bus Width: 32 bit
• Interface Type: Ethernet, I2C
• Operating Supply Voltage: - 0.3 V to + 1.1 V
• Leaded Process Compatible: Yes
• Peak Reflow Compatible (260 C): Yes
• Rohs Compliant: Yes
• For Use With/related Products: MPC8544
• For Use With: PPC8544EVTANG - EVAL MPC8544 783FCPBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

9.5.8.2.1
The entry and exit timing for self-refreshing SDRAMs is shown in
Freescale Semiconductor
SDRAM Clock
SDRAM Clock
MPC8544E PowerQUICC III Integrated Host Processor Family Reference Manual, Rev. 1
Self-Refresh in Sleep Mode
MDQS
MCKE
MRAS
MCAS
MDQ n
MDQS
MCKE
MRAS
MCAS
MDQ n
MWE
MWE
MCS
MA n
MCS
MA n
Figure 9-47. DDR SDRAM Self-Refresh Entry Timing
0
0
Figure 9-48. DDR SDRAM Self-Refresh Exit Timing
1
1
(High Impedance)
(High Impedance)
2
2
3
3
4
4
5
5
200 Cycles
6
6
7
7
Figure 9-47
202
8
203
9
204
and
10
Figure
205
11
DDR Memory Controller
206
12
9-48.
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