mpc8569e Freescale Semiconductor, Inc, mpc8569e Datasheet - Page 48
mpc8569e
Manufacturer Part Number
mpc8569e
Description
Mpc8569e Powerquicc Iii Integrated Processor Hardware Specifications
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MPC8569E.pdf
(126 pages)
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DDR2 and DDR3 SDRAM Controller
2.4.2
This section provides the AC timing specifications for the DDR SDRAM controller interface. The DDR controller supports both
DDR2 and DDR3 memories. Note that the required GV
SDRAM respectively.
2.4.2.1
The following table provides the input AC timing specifications for the DDR controller when interfacing to DDR2 SDRAM.
At recommended operating conditions with GV
The following table provides the input AC timing specifications for the DDR controller when interfacing to DDR3 SDRAM.
The following table provides the input AC timing specifications for the DDR controller when interfacing to DDR2 and DDR3
SDRAM.
48
At recommended operating conditions with GV
At recommended operating conditions with GV
AC input low voltage
AC input high voltage
AC input low voltage
AC input high voltage
Controller Skew for MDQS—MDQ/MECC
800 MHz data rate
667 MHz data rate
533 MHz data rate
400 MHz data rate
DDR2 and DDR3 SDRAM Interface AC Timing Specifications
DDR2 and DDR3 SDRAM Interface Input AC Timing Specifications
Table 19. DDR2 and DDR3 SDRAM Interface Input AC Timing Specifications
Parameter
Parameter
Parameter
MPC8569E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 0
Table 17. DDR2 SDRAM Interface Input AC Timing Specifications
Table 18. DDR3 SDRAM Interface Input AC Timing Specifications
> 533 MHz data rate
≤533 MHz data rate
> 533 MHz data rate
≤533 MHz data rate
DD
DD
DD
of 1.8 V ± 5%
of 1.5 V ± 5%
of 1.8 V ± 5% for DDR2 or 1.5 V ± 5% for DDR3
Symbol
Symbol
Symbol
t
CISKEW
V
V
V
V
IHAC
IHAC
ILAC
ILAC
DD
(typ) voltage is 1.8 V or 1.5 V when interfacing to DDR2 or DDR3
MVREFn + 0.175
MVREFn + 0.20
MVREFn + 0.25
–200
–240
–300
–365
Min
Min
Min
—
—
—
—
MVREFn – 0.175
MVREFn – 0.20
MVREFn – 0.25
Max
Max
Max
200
240
300
365
—
—
—
—
Freescale Semiconductor
3
Unit
Unit
Unit
ps
V
V
V
V
Notes
Notes
Note
—
—
—
—
1
1
1
1
1