GD80960JF-33 datasheet(7/78 Pages) INTEL

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Advance Information Datasheet

80960JA/JF/JD/JT 3.3 V Microprocessor

1.0

Introduction

This document contains information for the 80960Jx microprocessor, including electrical

characteristics and package pinout information. Detailed functional descriptions — other than

parametric performance — are published in the i960® Jx Microprocessor Developer’s Manual

(272483).

Throughout this data sheet, references to “80960Jx” indicate features that apply to all of the

following:

• 80960JA — 3.3 V (5 V Tolerant), 2 Kbyte instruction cache, 1 Kbyte data cache

• 80960JF — 3.3 V (5 V Tolerant), 4 Kbyte instruction cache, 2 Kbyte data cache

• 80960JD — 3.3 V (5 V Tolerant), 4 Kbyte instruction cache, 2 Kbyte data cache and clock

doubling

• 80960JT — 3.3 V (5 V Tolerant), 16 Kbyte instruction cache, 4 Kbyte data cache and clock

tripling

2.0

80960Jx Overview

The 80960Jx offers high performance to cost-sensitive 32-bit embedded applications. The 80960Jx

is object code compatible with the 80960 Core Architecture and is capable of sustained execution

at the rate of one instruction per clock. This processor’s features include generous instruction

cache, data cache and data RAM. It also boasts a fast interrupt mechanism and dual-programmable

timer units.

The 80960Jx’s clock multiplication operates the processor core at two or three times the bus clock

rate to improve execution performance without increasing the complexity of board designs.

Memory subsystems for cost-sensitive embedded applications often impose substantial wait state

penalties. The 80960Jx integrates considerable storage resources on-chip to decouple CPU

execution from the external bus.

Figure 1.

80960Jx Microprocessor Package Options

i960®

A80960JX

NG80960JX

XXXXXXXXSS

XXXXXXXX SS

GD80960JX

XXXXXXXSS

132-Pin PGA

132-Pin PQFP

136-Ball MPBGA

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