MPC8536-RDK Freescale Semiconductor, MPC8536-RDK Datasheet - Page 336
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MPC8536-RDK
Manufacturer Part Number
MPC8536-RDK
Description
BOARD REF COMEXPRESS MPC8536
Manufacturer
Freescale Semiconductor
Series
PowerQUICC ™r
Type
MPUr
Datasheets
1.MPC8536EBVTAVLA.pdf
(127 pages)
2.MPC8536EBVTAVLA.pdf
(1706 pages)
3.MPC8536-RDK.pdf
(2 pages)
Specifications of MPC8536-RDK
Contents
CSB1880, CSB1801, Cables, Documentation, Enclosure, Power Supply with cord
For Use With/related Products
MPC8536
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 336 of 1706
- Download datasheet (15Mb)
DDR Memory Controller
The address and command interface is also source synchronous, although 1/8 cycle adjustments are
provided for adjusting the clock alignment.
Figure 8-46
Figure 8-47
Figure 8-48
nine 8M 8 DDR modules for a total of 256 Mbytes of system memory. One of the nine modules is used
for the memory’s ECC checking function. Certain address and control lines may require buffering.
Analysis of the device’s AC timing specifications, desired memory operating frequency, capacitive loads,
and board routing loads can assist the system designer in deciding signal buffering requirements. The DDR
memory controller drives 16 address pins, but in this example the DDR SDRAM devices use only 12 bits.
8-62
shows an example DDR SDRAM configuration with four logical banks.
shows some typical signal connections.
shows an example DDR SDRAM configuration with four physical banks each comprised of
MCS, MRAS, MCAS, MWE
MPC8536E PowerQUICC III Integrated Processor Reference Manual, Rev. 1
Figure 8-46. Typical Dual Data Rate SDRAM Internal Organization
BANK ADDR
CKE, MCK, MCK
COMMAND:
ADDR
MRAS
MCAS
‘SUB’
MWE
MCS
MCK
MCK
Figure 8-47. Typical DDR SDRAM Interface Signals
CKE
BA1,BA0
DM
ADDR
DQM
13
2
SDRAM
Control
A[12:0]
BA[1:0]
Write Enable
64M x 1 Byte
Command
Bus
CK
512 Mbit
Data-Out Registers
Logical
Bank 0
DQ[7:0]
DQS
Logical
Bank 1
Read Data Latch
MUX, MASK,
Data Bus
8
Logical
Bank 2
Data-In Registers
DATA
DATA
STROBE
Logical
Bank 3
Freescale Semiconductor
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