mpc7457ed Freescale Semiconductor, Inc, mpc7457ed Datasheet

mpc7457ed

Manufacturer Part Number

mpc7457ed

Description

Risc Microprocessor

Manufacturer

Freescale Semiconductor, Inc

Datasheet

1.MPC7457ED.pdf (68 pages)

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Freescale Semiconductor

Technical Data

MPC7457

RISC Microprocessor

Hardware Specifications

This hardware specification is primarily concerned with the

MPC7457; however, unless otherwise noted, all information here

also applies to the MPC7447. The MPC7457 and MPC7447 are

implementations of the PowerPC™ microprocessor family of

reduced instruction set computer (RISC) microprocessors. This

hardware specification describes pertinent electrical and physical

characteristics of the MPC7457. For functional characteristics of

the processor, refer to the MPC7450 RISC Microprocessor Family

User’s Manual.

To locate any published updates for this hardware specification,

refer to the website at http://www.Freescale.com.

The MPC7457 is the fourth implementation of the fourth

generation (G4) microprocessors from Freescale. The MPC7457

implements the full PowerPC 32-bit architecture and is targeted at

networking and computing systems applications. The MPC7457

consists of a processor core, a 512-Kbyte L2, and an internal L3

tag and controller that support a glueless backside L3 cache

through a dedicated high-bandwidth interface. The MPC7447 is

identical to the MPC7457 except that it does not support the L3

cache interface.

Figure 1

high-performance superscalar design supporting a

double-precision floating-point unit and a SIMD multimedia unit.

Overview

shows a block diagram of the MPC7457. The core is a

10. Document Revision History . . . . . . . . . . . . . . . . . . . 61

11. Part Numbering and Marking . . . . . . . . . . . . . . . . . . 63

1. Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

2. Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

3. Comparison with the MPC7455, MPC7445,

4. General Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . 10

5. Electrical and Thermal Characteristics . . . . . . . . . . . 10

6. Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

7. Pinout Listings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

8. Package Description . . . . . . . . . . . . . . . . . . . . . . . . . 41

9. System Design Information . . . . . . . . . . . . . . . . . . . 47

MPC7450, MPC7451, and MPC7441 . . . . . . . . . . . . 7

Contents

Rev. 5, 09/2004

MPC7457EC

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