MPC8544DS Freescale Semiconductor, MPC8544DS Datasheet - Page 394
![BOARD DEVELOPMENT SYSTEM 8544](/photos/37/58/375876/mpc8544e_sml.jpg)
MPC8544DS
Manufacturer Part Number
MPC8544DS
Description
BOARD DEVELOPMENT SYSTEM 8544
Manufacturer
Freescale Semiconductor
Series
PowerQUICC III™r
Type
MPUr
Datasheets
1.MPC8544VTALF.pdf
(117 pages)
2.MPC8544VTALF.pdf
(2 pages)
3.MPC8544VTALF.pdf
(1340 pages)
4.MPC8544DS.pdf
(2 pages)
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
- MPC8544VTALF PDF datasheet
- MPC8544VTALF PDF datasheet #2
- MPC8544VTALF PDF datasheet #3
- MPC8544DS PDF datasheet #4
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- Download datasheet (12Mb)
DDR Memory Controller
9-70
ODT_WR_CFG
ODT_PD_EXIT
PRETOACT
ACTTOPRE
ACTTOACT
ACTTORW
Parameter
REFREC
CASLAT
WRREC
MPC8544E PowerQUICC III Integrated Host Processor Family Reference Manual, Rev. 1
Table 9-54. Programming Differences Between Memory Types (continued)
Chip Select ODT Write
Configuration
ODT Powerdown Exit
Precharge to Activate
Timing
Activate to Precharge
Timing
Activate to Read/Write
Timing
CAS Latency
Refresh Recovery
Write Recovery
Activate A to Activate B
Description
DDR1
DDR2
DDR2
DDR1
DDR2
DDR1
DDR2
DDR1
DDR2
DDR2
DDR2
DDR2
DDR1
DDR2
DDR1
DDR1
DDR1
DDR1
Should always be set to 000
could be set differently depending on system
topology. However, ODT will typically be set to
assert for the chip select that is getting written to
(value would be set to 001).
Should be set according to the DDR2
specifications for the memory used. The JEDEC
parameter this applies to is t
the memory used (t
the memory used (t
Should be set, along with the Extended Activate to
Precharge Timing, according to the specifications
for the memory used (t
Should be set, along with the Extended Activate to
Precharge Timing, according to the specifications
for the memory used (t
the memory used (t
the memory used (t
Latency, to the desired CAS latency
Should be set, along with the Extended CAS
Latency, to the desired CAS latency
Recovery, to the specifications for the memory
used (t
Recovery, to the specifications for the memory
used (T
the memory used (t
the memory used (t
the memory used (t
the memory used (t
Can be enabled to assert ODT if desired. This
Should be set to 0000
Should be set according to the specifications for
Should be set according to the specifications for
Should be set according to the specifications for
Should be set according to the specifications for
Should be set, along with the Extended CAS
Should be set, along with the Extended Refresh
Should be set, along with the Extended Refresh
Should be set according to the specifications for
Should be set according to the specifications for
Should be set according to the specifications for
Should be set according to the specifications for
RFC
RFC
)
)
Differences
RP
RP
RCD
RCD
WR
WR
RRD
RRD
)
)
)
)
RAS
RAS
)
)
)
)
)
)
AXPD
.
Freescale Semiconductor
Section/page
9.4.1.2/9-11
9.4.1.4/9-14
9.4.1.5/9-16
9.4.1.5/9-16
9.4.1.5/9-16
9.4.1.5/9-16
9.4.1.5/9-16
9.4.1.5/9-16
9.4.1.5/9-16
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