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MPC7448 数据表(PDF) 1 Page - Freescale Semiconductor, Inc |
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MPC7448 数据表(HTML) 1 Page - Freescale Semiconductor, Inc |
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1 / 60 page  © 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 |
类似零件编号 - MPC7448 |
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类似说明 - MPC7448 |
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