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MPC755 Datasheet Risc Microprocessor Hardware Specifications

Manufacturer: Motorola Semiconductor (now NXP Semiconductors)

Overview: Freescale Semiconductor Technical Data MPC755EC Rev. 6.1, 01/2005 MPC755 RISC Microprocessor Hardware Specifications 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 PowerPC™ microprocessors. The MPC755 and MPC745 are reduced instruction set puting (RISC) microprocessors that implement the PowerPC instruction set architecture. This document describes pertinent physical characteristics of the MPC755. 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 at http://.freescale.. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

General Description

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Key Features

  • processing unit.
  • Four instructions fetched per clock.
  • One branch processed per cycle (plus resolving two speculations).
  • Up to one speculative stream in execution, one additional speculative stream in fetch.
  • 512-entry branch history table (BHT) for dynamic prediction.
  • 64-entry, four-way set-associative branch target instruction cache (BTIC) for eliminating branch delay slots.
  • Dispatch unit.
  • Full hardware detection of dependencies (re.

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