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Intel Corporation
Intel Corporation

80960KB Datasheet Preview

80960KB Datasheet

EMBEDDED 32-BIT MICROPROCESSOR WITH INTEGRATED FLOATING-POINT UNIT

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80960KB pdf
80960KB
EMBEDDED 32-BIT MICROPROCESSOR
WITH INTEGRATED FLOATING-POINT UNIT
s High-Performance Embedded Architecture
— 25 MIPS Burst Execution at 25 MHz
— 9.4 MIPS* Sustained Execution at 25 MHz
s 512-Byte On-Chip Instruction Cache
— Direct Mapped
— Parallel Load/Decode for Uncached Instruc-
tions
s Multiple Register Sets
— Sixteen Global 32-Bit Registers
— Sixteen Local 32-Bit Registers
— Four Local Register Sets Stored On-Chip
— Register Scoreboarding
s 4 Gigabyte, Linear Address Space
s Pin Compatible with 80960KA
s Built-in Interrupt Controller
— 31 Priority Levels, 256 Vectors
— 3.4 µs Latency @ 25 MHz
s Easy to Use, High Bandwidth 32-Bit Bus
— 66.7 Mbytes/s Burst
— Up to 16 Bytes Transferred per Burst
s 132-Lead Packages:
— Pin Grid Array (PGA)
— Plastic Quad Flat-Pack (PQFP)
s On-Chip Floating Point Unit
— Supports IEEE 754 Floating Point Standard
— Four 80-Bit Registers
— 13.6 Million Whetstones/s (Single
Precision) at 25 MHz
The 80960KB is a member of Intel’s i960® 32-bit processor family, which is designed especially for embedded
applications. It includes a 512-byte instruction cache, an integrated floating-point unit and a built-in interrupt
controller. The 80960KB has a large register set, multiple parallel execution units and a high-bandwidth burst
bus. Using advanced RISC technology, this high performance processor is capable of execution rates in excess
of 9.4 million instructions per second*. The 80960KB is well-suited for a wide range of applications including non-
impact printers, I/O control and specialty instrumentation.
FOUR
80-BIT FP
REGISTERS
80-BIT
FPU
SIXTEEN
32-BIT GLOBAL
REGISTERS
64- BY 32-BIT
LOCAL
REGISTER
CACHE
32-BIT
INSTRUCTION
EXECUTION
UNIT
INSTRUCTION
FETCH UNIT
512-BYTE
INSTRUCTION
CACHE
INSTRUCTION
DECODER
MICRO-
INSTRUCTION
SEQUENCER
MICRO-
INSTRUCTION
ROM
32-BIT
BUS
CONTROL
LOGIC
32-BIT
BURST
BUS
Figure 1. The 80960KB Processor’s Highly Parallel Architecture
* Relative to Digital Equipment Corporation’s VAX-11/780 at 1 MIPS (VAX-11™ is a trademark of Digital Equipment
Corporation)
Intel Corporation assumes no responsibility for the use of any circuitry other than circuitry embodied in an Intel product. No other circuit patent
licenses are implied. Information contained herein supersedes previously published specifications on these devices from Intel.
May 1993
© INTEL CORPORATION, 1993
Order Number: 270565-006



Intel Corporation
Intel Corporation

80960KB Datasheet Preview

80960KB Datasheet

EMBEDDED 32-BIT MICROPROCESSOR WITH INTEGRATED FLOATING-POINT UNIT

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80960KB pdf
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 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 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.
0000 0000H
ADDRESS SPACE
FETCH
INSTRUCTION CACHE
INSTRUCTION
STREAM
FFFF FFFFH
ARCHITECTURALLY
DEFINED
DATA STRUCTURES
LOAD
STORE
INSTRUCTION
EXECUTION
PROCESSOR STATE
REGISTERS
INSTRUCTION
POINTER
ARITHMETIC
CONTROLS
PROCESS
CONTROLS
TRACE
CONTROLS
SIXTEEN 32-BIT GLOBAL REGISTERS
g0
g15
REGISTER CACHE
SIXTEEN 32-BIT LOCAL REGISTERS
r0
r15
FOUR 80-BIT FLOATING POINT REGISTERS
CONTROL REGISTERS
Figure 2. 80960KB Programming Environment
1


Part Number 80960KB
Description EMBEDDED 32-BIT MICROPROCESSOR WITH INTEGRATED FLOATING-POINT UNIT
Maker Intel Corporation
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