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General Description

The NS486SXF is a highly integrated embedded system

controller incorporating an Intel486TM-class 32-bit processor,

all of the necessary System Service Elements, and a

set of peripheral I/O controllers tailored for embedded control

systems. It is ideally suited for a wide variety of applications

running in a segmented protect-mode environment.

Key Features

100% compatible with VxWorksé, VRTXé, QNXé Neutrino,

pSOSaTM, and other popular real-time executives

and operating system kernels

Intel486 instruction set compatible (protected mode

only) with optimized performance

CPU includes a 1 Kbyte Instruction Cache

Operation at 25 MHz with 5V supply

Low cost 160-pin PQFP package

Industry standard interrupt controller, timers, real time

clock, UART with IrDA v1.0 (Infrared Data Association)

port

Intel 82365 compatible PCMCIA interface

Protected WATCHDOGTM timer

Optimized DRAM Controller (supports two banks, up to

8 Mbytes each)

Up to nine versatile, programmable chip selects

Glueless interface to ISA peripherals

Arbitration support for auxiliary processor

Four external DMA channels (max. transfer rate of 25

MByte/sec @ 25 MHz) support many transfer modes

High performance IEEE 1284 (ECP) Bidirectional

Parallel Port

MICROWIRETM/Access.bus synchronous serial

interfaces

LCD Controller for an up to 4 grey scale supertwist

Liquid Crystal Displays up to 480 X 320

Reconfigurable I/O: Up to 29 I/O pins can be used as

general purpose bidirectional I/O lines

Flexible, programmable, multilevel power saving modes

maximize power savings