MPC8544VTALF Freescale Semiconductor, MPC8544VTALF Datasheet - Page 987
![MPU POWERQUICC III 783-PBGA](/photos/37/62/376266/mpc8544e_image_sml.jpg)
MPC8544VTALF
Manufacturer Part Number
MPC8544VTALF
Description
MPU POWERQUICC III 783-PBGA
Manufacturer
Freescale Semiconductor
Datasheets
1.MPC8544VTALF.pdf
(117 pages)
2.MPC8544VTALF.pdf
(2 pages)
3.MPC8544VTALF.pdf
(1340 pages)
Specifications of MPC8544VTALF
Processor Type
MPC85xx PowerQUICC III 32-Bit
Speed
667MHz
Voltage
1V
Mounting Type
Surface Mount
Package / Case
783-FCPBGA
Processor Series
MPC85xx
Core
e500
Data Bus Width
32 bit
Maximum Clock Frequency
667 MHz
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Data Ram Size
32 KB
I/o Voltage
1.8 V, 3.3 V
Interface Type
I2C, HSSI, DUART
Minimum Operating Temperature
0 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
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Price
Company:
Part Number:
MPC8544VTALF
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Company:
Part Number:
MPC8544VTALFA
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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disconnect before finishing the transaction. If another PCI device is granted the PCI bus and requests a
burst-read from local memory, the integrated processor, as a target, can accept the burst-read transfer.
When the integrated processor is granted mastership of the PCI bus, the burst-write transaction continues.
The PCI interface does not flush pending outbound writes as a result of an inbound read command.
Systems must not rely on inbound reads to ensure all pending outbound writes have completed. For
example, consider the case where a core writes data to a PCI device and then updates a flag in the local
DDR memory indicating the write to PCI has completed. An external PCI master may misread the flag
ahead of the actual write transaction's completion on the PCI bus.
There are two blocks of memory in the design:
There are many blocks of control logic in the block. On the PCI side there are machines for PCI controller
initiated address and data tenures for inbound and outbound data, respectively. On the OCeaN side there
are machines for fabric arbitration, outbound data, and inbound data.
As an initiator, the integrated processor supports read and write operations to the PCI memory space, the
PCI I/O space, and the 256-byte PCI configuration space. As an initiator, the integrated processor also
supports generating PCI special-cycle and interrupt-acknowledge transactions. As a target, the integrated
processor supports read and write operations to local memory, and, when configured in agent mode, read
and write operations to the internal PCI configuration registers.
The integrated processor can function as either a PCI host bridge (host mode) or a peripheral device on the
PCI bus (agent mode). See
In agent mode, all of the PCI configuration registers in the integrated processor can be programmed from
the PCI bus. See
information.
The PCI interface provides bus arbitration for the integrated processor and up to five other PCI bus
masters. The arbitration algorithm is a programmable two-level, round-robin priority selector. The on-chip
PCI arbiter can operate in both host and agent modes or it can be disabled to allow for an external PCI
arbiter.
The integrated processor also provides an address translation mechanism to map inbound PCI to OCeaN
accesses and outbound OCeaN to PCI accesses.
17.1.1.1
Upon detecting an OCeaN-to-PCI transaction, the integrated processor requests the use of the PCI bus. For
OCeaN-to-PCI bus write operations, the integrated processor requests mastership of the PCI bus when the
source completes the write operation to the OCeaN. For OCeaN-to-PCI read operations, the integrated
processor requests mastership of the PCI bus when it decodes that the access is for PCI address space.
Once granted, the integrated processor drives the address (PCI_AD[31:0]) and the bus command
(PCI_C/BE[3:0]) signals.
Freescale Semiconductor
•
•
The inbound buffers
The outbound read buffers combined with the outbound write buffers
Outbound Transactions
MPC8544E PowerQUICC III Integrated Host Processor Family Reference Manual, Rev. 1
Section 17.4.2.11.3, “Agent Accessing the PCI Configuration Space,”
Section 17.1.3.1.1, “Host Mode,”
for more information.
for more
PCI Bus Interface
17-3
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