80960SA datasheet(5/39 Pages) INTEL

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80960SA

1.0

THE i960® PROCESSOR

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

from Intel known as the i960 processor family. These

microprocessors were especially designed to serve

the needs of embedded applications. The embedded

market includes applications as diverse as 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 micropro-

cessors 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.

Figure 2. 80960SA Programming Environment

ARCHITECTURALLY

DEFINED

DATA STRUCTURES

FFFF FFFFH

INSTRUCTION

STREAM

INSTRUCTION

EXECUTION

PROCESSOR STATE

REGISTERS

INSTRUCTION

POINTER

ARITHMETIC

CONTROLS

PROCESS

CONTROLS

TRACE

CONTROLS

ADDRESS SPACE

SIXTEEN 32-BIT

GLOBAL REGISTERS

SIXTEEN 32-BIT

LOCAL REGISTERS

g15

r15

LOAD

STORE

0000 0000H

INSTRUCTION

CACHE

FETCH

FOUR 80-BIT

CONTROL REGISTERS

FLOATING POINT REGISTERS

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