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NS486SXF PDF Data sheet ( 特性 )

部品番号 NS486SXF
部品説明 NS486TMSXF Optimized 32-Bit 486-Class Controller with On-Chip Peripherals for Embedded Systems
メーカ National
ロゴ National ロゴ 


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NS486SXF Datasheet, NS486SXF PDF,ピン配置, 機能
ADVANCE INFORMATION
February 1997
NS486TMSXF Optimized 32-Bit 486-Class Controller
with On-Chip Peripherals for Embedded Systems
General Description
The NS486SXF is a highly integrated embedded system
controller incorporating an Intel486TM-class 32-bit proces-
sor all of the necessary System Service Elements and a
set of peripheral I O controllers tailored for embedded con-
trol systems It is ideally suited for a wide variety of applica-
tions running in a segmented protect-mode environment
Key Features
Y 100% compatible with VxWorks VRTX QNX Neu-
trino pSOSaTM and other popular real-time executives
and operating system kernels
Y Intel486 instruction set compatible (protected mode
only) with optimized performance
Y CPU includes a 1 Kbyte Instruction Cache
Y Operation at 25 MHz with 5V supply
Y Low cost 160-pin PQFP package
Y Industry standard interrupt controller timers real time
clock UART with IrDA v1 0 (Infrared Data Association)
port
Y Intel 82365 compatible PCMCIA interface
Y Protected WATCHDOGTM timer
Y Optimized DRAM Controller (supports two banks up to
8 Mbytes each)
Y Up to nine versatile programmable chip selects
Y Glueless interface to ISA peripherals
Y Arbitration support for auxiliary processor
Y Four external DMA channels (max transfer rate of 25
MByte sec 25 MHz) support many transfer modes
Y High performance IEEE 1284 (ECP) Bidirectional
Parallel Port
Y MICROWIRETM Access bus synchronous serial
interfaces
Y LCD Controller for an up to 4 grey scale supertwist
Liquid Crystal Displays up to 480 X 320
Y Reconfigurable I O Up to 29 I O pins can be used as
general purpose bidirectional I O lines
Y Flexible programmable multilevel power saving modes
maximize power savings
NS486SXF Single-Chip Embedded Controller
TRI-STATE is a registered trademark of National Semiconductor Corporation
NS486TM WATCHDOGTM and MICROWIRETM are trademarks of National Semiconductor Corporation
Intel486TM is a trademark of Intel Corporation
QNX is a registered trademark of QNX Software Systems Inc
VRTX is a registered trademark of Microtec Research Inc
VxWorks is a registered trademark of Wind River Systems Inc
pSOSaTM is a trademark of Integrated Systems Inc
PowerPack is a registered trademark of Microtek International
C1996 National Semiconductor Corporation TL EE12514
RRD-B30M27 Printed in U S A
TL EE 12514 – 1
http www national com

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