Datasheet > PCX7457VGHU1000NC

PCX7457VGHU1000NC

更新时间： 2024-11-08 06:01:51

品牌	Logo	应用领域
爱特美尔 - ATMEL		时钟外围集成电路
页数	文件大小	规格书
64页	667K
描述
RISC Microprocessor, 32-Bit, 1000MHz, CMOS, CBGA483, 29 X 29 MM, 3.22 MM HEIGHT, 1.27 MM PITCH, HITCE, CERAMIC, BGA-483

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Features

• 3000 Dhrystone 2.1 MIPS at 1.3 GHz

• Selectable Bus Clock (30 CPU Bus Dividers up to 28x)

• 13 Selectable Core-to-L3 Frequency Divisors

• Selectable MPx/60x Interface Voltage (1.8V, 2.5V)

• Selectable L3 Interface of 1.8V or 2.5V

• P_DTypical 12.6W at 1 GHz at V_DD= 1.3V; 8.3W at 1 GHz at V_DD= 1.1V, Full Operating

Conditions

• Nap, Doze and Sleep Modes for Power Saving

• Superscalar (Four Instructions Fetched Per Clock Cycle)

• 4 GB Direct Addressing Range

PowerPC^®

7447/7457

• Virtual Memory: 4 Hexabytes (2⁵²)

• 64-bit Data and 36-bit Address Bus Interface

• Integrated L1: 36 KB Instruction and 32 KB Data Cache

• Integrated L2: 512 KB

• 11 Independent Execution Units and Three Register Files

• Write-back and Write-through Operations

• f_INTMax = 1 GHz (1.2 GHz to be Confirmed)

• f_BUSMax = 133 MHz/166 MHz

PC7447/57

Preliminary

Description

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 Freescale. The PC7457 implements the full PowerPC 32-bit architecture

and is targeted at networking and computing systems applications. The PC7457 con-

sists of a processor core, a 512 Kbyte L2, and an internal L3 tag and controller which

support 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.

Rev. 5345C–HIREL–07/05

12 3 4 5 6 7...64

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与PCX7457VGHU1000NC相关器件

型号	品牌	获取价格	描述	数据表
PCX7457VGHU1050NC	ATMEL	获取价格	RISC Microprocessor, 32-Bit, 1050MHz, CMOS, CBGA483
PCX7457VGHU1150LC	ATMEL	获取价格	RISC Microprocessor, 32-Bit, 1150MHz, CMOS, CBGA483
PCX7457VGHU1150NC	ATMEL	获取价格	RISC Microprocessor, 32-Bit, 1150MHz, CMOS, CBGA483, 29 X 29 MM, 3.22 MM HEIGHT, 1.27 MM P
PCX7457VGHU1200LC	ATMEL	获取价格	RISC Microprocessor, 32-Bit, 1200MHz, CMOS, CBGA483, 29 X 29 MM, 3.22 MM HEIGHT, 1.27 MM P
PCX7457VGHU1200NC	ATMEL	获取价格	RISC Microprocessor, 32-Bit, 1200MHz, CMOS, CBGA483, 29 X 29 MM, 3.22 MM HEIGHT, 1.27 MM P
PCX7457VGHU500NC	ATMEL	获取价格	RISC Microprocessor, 32-Bit, 500MHz, CMOS, CBGA483, 29 X 29 MM, 3.22 MM HEIGHT, 1.27 MM PI
PCX7457VGHU550LC	ATMEL	获取价格	RISC Microprocessor, 32-Bit, 550MHz, CMOS, CBGA483, 29 X 29 MM, 3.22 MM HEIGHT, 1.27 MM PI
PCX7457VGHU550NC	ATMEL	获取价格	RISC Microprocessor, 32-Bit, 550MHz, CMOS, CBGA483
PCX7457VGHU600NC	ATMEL	获取价格	RISC Microprocessor, 32-Bit, 600MHz, CMOS, CBGA483, 29 X 29 MM, 3.22 MM HEIGHT, 1.27 MM PI
PCX7457VGHU650LC	ATMEL	获取价格	RISC Microprocessor, 32-Bit, 650MHz, CMOS, CBGA483

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