SCF5250 Data Sheet: Technical Data, Rev. 1.3 2 Freescale " />
參數(shù)資料
型號(hào)： SCFLXRAYADPTS12
廠商： Freescale Semiconductor
文件頁(yè)數(shù)： 12/56頁(yè)
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SCF5250 Data Sheet: Technical Data, Rev. 1.3
2
Freescale Semiconductor
integrated peripherals and enhanced MAC unit allow the SCF5250 to replace both the microcontroller and
the DSP in certain applications. Most peripheral pins can also be remapped as General Purpose I/O pins.
1.1
Orderable Part Numbers
Table 1 lists the orderable part numbers for the SCF5250 processor.
1.2
SCF5250 Features
This section provides brief descriptions of the features of the SCF5250 processor.
1.2.1
ColdFire V2 Core
The ColdFire processor Version 2 core consists of two independent, decoupled pipeline structures to
maximize performance while minimizing core size.The instruction fetch pipeline (IFP) is a two-stage
pipeline for prefetching instructions. The prefetched instruction stream is then gated into the two-stage
operand execution pipeline (OEP), which decodes the instruction, fetches the required operands, and then
executes the required function. Because the IFP and OEP pipelines are decoupled by an instruction buffer
that serves as a FIFO queue, the IFP can prefetch instructions in advance of their actual use by the OEP,
which minimizes time stalled waiting for instructions. The OEP is implemented in a two-stage pipeline
featuring a traditional RISC data path with a dual-read-ported register file feeding an arithmetic/logic unit
(ALU).
Table 1. Orderable Part Numbers
Orderable Part
Number
Maximum Clock
Frequency
Package Type
Operating Temperature
Range
Part Status
SCF5250LPV100
100 MHz
144 pin QFP
-20
°C to 70°C
Leaded
SCF5250LAG100
100 MHz
144 pin QFP
-20
°C to 70°C
Lead Free
SCF5250PV120
120 MHz
144 pin QFP
-20
°C to 70°C
Leaded
SCF5250AG120
120 MHz
144 pin QFP
-20
°C to 70°C
Lead Free
SCF5250DAG1201
1 SCF5250DAG120—This device has the same feature set, pin assignment and specification as SCF5250AG120 with the
addition of including the cost of the MP3 decoder royalty to be paid to Thomson Licensing S.A. for use of the MP3 patent rights
described at http://mp3licensing.com/patents/index.html.
120 MHz
144 pin QFP
-20
°C to 70°C
Lead Free
SCF5250EAG1202
2 SCF5250EAG120—This device has the same feature set, pin assignment and specification as SCF5250AG120 with the
addition of including the cost of the MP3 encoder and decoder royalty to be paid to Thomson Licensing S.A. for use of the MP3
patent rights described at http://mp3licensing.com/patents/index.html.
120 MHz
144 pin QFP
-20
°C to 70°C
Lead Free
SCF5250CPV120
120 MHz
144 pin QFP
-40
°C to 85°C
Leaded
SCF5250CAG120
120 MHz
144 pin QFP
-40
°C to 85°C
Lead Free
SCF5250VM120
120 MHz
196 ball MAPBGA
-20
°C to 70°C
Lead Free
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