80960KB datasheet(2/39 Pages) INTEL

2 / 39 page

80960KB

1.0

THE i960® PROCESSOR

The 80960KB is a member of the 32-bit architecture

from Intel known as the i960 processor family. These

were especially designed to serve the needs of

embedded

applications.

The

embedded

market

includes

applications

diverse

industrial

automation, avionics, image processing, graphics and

networking. These types of applications require high

integration, low power consumption, quick interrupt

response times and high performance. Since time to

market is critical, embedded microprocessors need to

be easy to use in both hardware and software

designs.

All members of the i960 processor family share a

common

core

architecture

which

utilizes

RISC

technology so that, except for special functions, the

family members are object-code compatible. Each

new processor in the family adds its own special set

of functions to the core to satisfy the needs of a

specific application or range of applications in the

embedded market.

Software written for the 80960KB will run without

modification on any other member of the 80960

Family. It is also pin-compatible with the 80960KA and

the 80960MC which is a military-grade version that

supports multitasking, memory management, multi-

processing and fault tolerance.

Figure 2. 80960KB Programming Environment

INSTRUCTION CACHE

INSTRUCTION

STREAM

FETCH

LOAD

STORE

SIXTEEN 32-BIT GLOBAL REGISTERS

g15

SIXTEEN 32-BIT LOCAL REGISTERS

FOUR 80-BIT FLOATING POINT REGISTERS

r15

CONTROL REGISTERS

INSTRUCTION

EXECUTION

INSTRUCTION

POINTER

ARITHMETIC

CONTROLS

PROCESS

CONTROLS

TRACE

CONTROLS

ARCHITECTURALLY

DEFINED

DATA STRUCTURES

FFFF FFFFH

0000 0000H

ADDRESS SPACE

PROCESSOR STATE

REGISTERS

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