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1 / 56 page  © Freescale Semiconductor, Inc., 2006. All rights reserved. Freescale Semiconductor Technical Data This document is primarily concerned with the MPC755; however, unless otherwise noted, all information here also applies to the MPC745. The MPC755 and MPC745 are reduced instruction set computing (RISC) microprocessors that implement the PowerPC™ instruction set architecture. This document describes pertinent physical characteristics of the MPC755. For information on specific MPC755 part numbers covered by this or other specifications, see Section 10, “Ordering Information.” For functional characteristics of the processor, refer to the MPC750 RISC Microprocessor Family User’s Manual. To locate any published errata or updates for this document, refer to the website listed on the back cover of this document. 1 Overview The MPC755 is targeted for low-cost, low-power systems and supports the following power management features—doze, nap, sleep, and dynamic power management. The MPC755 consists of a processor core and an internal L2 tag combined with a dedicated L2 cache interface and a 60x bus. The MPC745 is identical to the MPC755 except it does not support the L2 cache interface. Figure 1 shows a block diagram of the MPC755. Document Number: MPC755EC Rev. 8, 02/2006 Contents 1. Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2. Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3. General Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4. Electrical and Thermal Characteristics . . . . . . . . . . . . 6 5. Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 6. Pinout Listings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 7. Package Description . . . . . . . . . . . . . . . . . . . . . . . . . 32 8. System Design Information . . . . . . . . . . . . . . . . . . . 36 9. Document Revision History . . . . . . . . . . . . . . . . . . . 50 10. Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . 53 MPC755 RISC Microprocessor Hardware Specifications |
Số phần tương tự - MPC755EC |
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Mô tả tương tự - MPC755EC |
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