Powerpc 7457 Risc Microprocessor - Atmel Corporation

This document is primarily concerned with the PowerPC PC7457; however, unless otherwise noted, all information here also applies to the PC7447. The PC7457 and PC7447 are implementations of the PowerPC Microprocessor family of reduced instruction set computer (RISC) Microprocessors This document describes pertinent electrical and physical characteristics of the PC7457. The PC7457 is the fourth implementation of the fourth generation (G4) microproces- sors from Motorola. The PC7457 implements the full PowerPC 32-bit architecture and is targeted at networking and computing systems applications. The PC7457 consists of a processor core, a 512 Kbyte L2, and an internal L3 tag and controller which sup- port a glueless backside L3 cache through a dedicated high-bandwidth Interface The PC7447 is identical to the PC7457 except it does not support the L3 cache Interface The core is a high-performance superscalar design supporting a double-precision floating-point unit and a SIMD Multimedia unit. The memory storage subsystem sup- ports the MPX bus Interface to main memory and other system resources. The L3 Interface supports 1, 2, or 4M bytes of external SRAM for L3 cache and/or private memory data. For systems implementing 4M bytes of SRAM a maximum of 2M bytes may be used as cache; the remaining 2M bytes must be private memory. Note that the PC7457 is a footprint-compatible, drop-in replacement in a PC7455 application if the core power supply is 1.3V. By ATMEL Corporation
PC7447 's PackagesPC7447 's pdf datasheet



PC7447 Pinout, Pinouts
PC7447 pinout,Pin out
This is one package pinout of PC7447,If you need more pinouts please download PC7447's pdf datasheet.

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