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© Freescale Semiconductor, Inc., 2005, 2007. All rights reserved.
Freescale Semiconductor
Technical Data
This document is primarily concerned with the MPC7448,
which is targeted at networking and computing systems
applications. This document describes pertinent electrical and
physical characteristics of the MPC7448. For information
regarding specific MPC7448 part numbers covered by this
document and part numbers covered by other documents, refer
to Section 11, “Part Numbering and Marking.” For functional
characteristics of the processor, refer to the MPC7450 RISC
Microprocessor Family Reference Manual.
To locate any published updates for this document, refer to the
website listed on the back cover of this document.
1Overview
The MPC7448 is the sixth implementation of fourth-
generation (G4) microprocessors from Freescale. The
MPC7448, built on Power Architecture™ technology,
implements the PowerPC™ instruction set architecture
version 1.0 and is targeted at networking and computing
systems applications. The MPC7448 consists of a processor
core and a 1-Mbyte L2.
Figure 1 shows a block diagram of the MPC7448. The core is
a high-performance superscalar design supporting a
double-precision floating-point unit and a SIMD multimedia
unit. The memory storage subsystem supports the MPX bus
protocol and a subset of the 60x bus protocol to main memory
and other system resources.
Document Number: MPC7448EC
Rev. 4, 3/2007
Contents
1. Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2. Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3. Comparison with the MPC7447A, MPC7447,
MPC7445, and MPC7441 . . . . . . . . . . . . . . . . . . . . . . 7
4. General Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5. Electrical and Thermal Characteristics . . . . . . . . . . . . 9
6. Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
7. Pinout Listings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
8. Package Description . . . . . . . . . . . . . . . . . . . . . . . . . 29
9. System Design Information . . . . . . . . . . . . . . . . . . . 35
10. Document Revision History . . . . . . . . . . . . . . . . . . . 55
11. Part Numbering and Marking . . . . . . . . . . . . . . . . . . 57
MPC7448
RISC Microprocessor
Hardware Specifications
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Strany 1 - Hardware Specifications

© Freescale Semiconductor, Inc., 2005, 2007. All rights reserved.Freescale SemiconductorTechnical DataThis document is primarily concerned with the MP

Strany 2 - 2 Freescale Semiconductor

MPC7448 RISC Microprocessor Hardware Specifications, Rev. 410 Freescale Semiconductor Electrical and Thermal CharacteristicsFigure 2 shows the undersh

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4Freescale Semiconductor 11 Electrical and Thermal CharacteristicsTable 4 provides the recom

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 412 Freescale Semiconductor Electrical and Thermal CharacteristicsTable 5 provides the packa

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4Freescale Semiconductor 13 Electrical and Thermal CharacteristicsTable 7 provides the power

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 414 Freescale Semiconductor Electrical and Thermal Characteristicswhen running a typical ben

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4Freescale Semiconductor 15 Electrical and Thermal Characteristics5.2 AC Electrical Characte

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 416 Freescale Semiconductor Electrical and Thermal CharacteristicsNotes:1. Caution: The SYSC

Strany 9 - 4 General Parameters

MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4Freescale Semiconductor 17 Electrical and Thermal CharacteristicsFigure 3 provides the SYSC

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 418 Freescale Semiconductor Electrical and Thermal CharacteristicsSYSCLK to output high impe

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4Freescale Semiconductor 19 Electrical and Thermal CharacteristicsFigure 4 provides the AC t

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 42 Freescale Semiconductor OverviewFigure 1. MPC7448 Block Diagram+Integer Reservation Stati

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 420 Freescale Semiconductor Electrical and Thermal CharacteristicsFigure 6 provides the inpu

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4Freescale Semiconductor 21 Electrical and Thermal Characteristics5.2.3 IEEE Std. 1149.1 AC

Strany 15 - 5.2.1 Clock AC Specifications

MPC7448 RISC Microprocessor Hardware Specifications, Rev. 422 Freescale Semiconductor Electrical and Thermal CharacteristicsFigure 7 provides the AC t

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4Freescale Semiconductor 23 Electrical and Thermal CharacteristicsFigure 11 provides the tes

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 424 Freescale Semiconductor Pin Assignments6 Pin AssignmentsFigure 12 (in Part A) shows the

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4Freescale Semiconductor 25 Pinout Listings7 Pinout ListingsTable 11 provides the pinout lis

Strany 19 - Figure 4. AC Test Load

MPC7448 RISC Microprocessor Hardware Specifications, Rev. 426 Freescale Semiconductor Pinout ListingsTable 11. Pinout Listing for the MPC7448, 360 HCT

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4Freescale Semiconductor 27 Pinout ListingsLVRAM B10 — — 12, 20, 22NC (no connect) A6, A14,

Strany 21 - Figure 11

MPC7448 RISC Microprocessor Hardware Specifications, Rev. 428 Freescale Semiconductor Pinout ListingsVDD_SENSE G13, N12 — — 18Notes:1. OVDD supplies p

Strany 22 - Figure 9. TRST Timing Diagram

MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4Freescale Semiconductor 29 Package Description8 Package DescriptionThe following sections p

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4Freescale Semiconductor 3 Features2FeaturesThis section summarizes features of the MPC7448

Strany 24 - 6 Pin Assignments

MPC7448 RISC Microprocessor Hardware Specifications, Rev. 430 Freescale Semiconductor Package Description8.2 Mechanical Dimensions for the MPC7448, 36

Strany 25 - 7 Pinout Listings

MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4Freescale Semiconductor 31 Package Description8.3 Package Parameters for the MPC7448, 360 H

Strany 26 - Pinout Listings

MPC7448 RISC Microprocessor Hardware Specifications, Rev. 432 Freescale Semiconductor Package Description8.4 Mechanical Dimensions for the MPC7448, 36

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4Freescale Semiconductor 33 Package Description8.5 Package Parameters for the MPC7448, 360 H

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 434 Freescale Semiconductor Package Description8.6 Mechanical Dimensions for the MPC7448, 36

Strany 29 - 8 Package Description

MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4Freescale Semiconductor 35 System Design Information9 System Design InformationThis section

Strany 30 - HCTE BGA package

MPC7448 RISC Microprocessor Hardware Specifications, Rev. 436 Freescale Semiconductor System Design Information100110 11x 1x 733 825 913 1100 14670000

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4Freescale Semiconductor 37 System Design Information9.1.2 System Bus Clock (SYSCLK) and Spr

Strany 32 - HCTE LGA package

MPC7448 RISC Microprocessor Hardware Specifications, Rev. 438 Freescale Semiconductor System Design InformationThese requirements are shown graphicall

Strany 33 - RoHS-Compliant BGA

MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4Freescale Semiconductor 39 System Design InformationFigure 17. MPC7448 Power Down Sequencin

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 44 Freescale Semiconductor Features— Four vector units and 32-entry vector register file (VR

Strany 35 - 9 System Design Information

MPC7448 RISC Microprocessor Hardware Specifications, Rev. 440 Freescale Semiconductor System Design Information9.2.3 Transient SpecificationsThe ensur

Strany 36 - System Design Information

MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4Freescale Semiconductor 41 System Design Information9.2.4 Decoupling RecommendationsDue to

Strany 37 - 9.2.1 Power Supply Sequencing

MPC7448 RISC Microprocessor Hardware Specifications, Rev. 442 Freescale Semiconductor System Design Information9.4 Output Buffer DC ImpedanceThe MPC74

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4Freescale Semiconductor 43 System Design Informationlikewise be pulled up through a pull-up

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 444 Freescale Semiconductor System Design Informationto fully control the processor. If the

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4Freescale Semiconductor 45 System Design InformationFigure 21. JTAG Interface ConnectionHRE

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 446 Freescale Semiconductor System Design Information9.7 Power and Thermal Management Inform

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4Freescale Semiconductor 47 System Design InformationFigure 23. LGA Package Exploded Cross-S

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 448 Freescale Semiconductor System Design Information9.7.1 Internal Package Conduction Resis

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4Freescale Semiconductor 49 System Design Informationof any thermal interface material depen

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4Freescale Semiconductor 5 Features— Monitors all dispatched instructions and retires them i

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 450 Freescale Semiconductor System Design InformationShin-Etsu MicroSi, Inc. 888-642-7674100

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4Freescale Semiconductor 51 System Design InformationDue to the complexity and variety of sy

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 452 Freescale Semiconductor System Design Information9.7.4 Temperature DiodeThe MPC7448 has

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4Freescale Semiconductor 53 System Design InformationSolving for T, the equation becomes:9.7

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 454 Freescale Semiconductor System Design InformationTable 16. Valid Divide Ratio Configurat

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4Freescale Semiconductor 55 Document Revision History9.7.5.3 Minimum Core Frequency Requirem

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 456 Freescale Semiconductor Document Revision History2 Table 6: Added separate input leakage

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4Freescale Semiconductor 57 Part Numbering and Marking11 Part Numbering and MarkingOrdering

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 458 Freescale Semiconductor Part Numbering and Marking11.2 Part Numbers Not Fully Addressed

Strany 55 - 10 Document Revision History

MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4Freescale Semiconductor 59 Part Numbering and Marking11.3 Part MarkingParts are marked as t

Strany 56 - Document Revision History

MPC7448 RISC Microprocessor Hardware Specifications, Rev. 46 Freescale Semiconductor Features• Efficient data flow— Although the VR/LSU interface is 1

Strany 57 - 11 Part Numbering and Marking

Document Number: MPC7448ECRev. 43/2007Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. The Power Architecture and Pow

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4Freescale Semiconductor 7 Comparison with the MPC7447A, MPC7447, MPC7445, and MPC7441• Reli

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MPC7448 RISC Microprocessor Hardware Specifications, Rev. 48 Freescale Semiconductor Comparison with the MPC7447A, MPC7447, MPC7445, and MPC7441Execut

Strany 60 - How to Reach Us:

MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4Freescale Semiconductor 9 General Parameters4 General ParametersThe following list summariz

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