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NS486SXLVUL PDF Data sheet ( 特性 )

部品番号 NS486SXLVUL
部品説明 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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NS486SXLVUL Datasheet, NS486SXLVUL PDF,ピン配置, 機能
ADVANCE INFORMATION
December 1997
NS486SXL
Optimized 32-Bit 486-Class Controller with On-Chip
Peripherals for Embedded Systems
General Description
The NS486SXL is a highly integrated embedded system
controller incorporating an Intel486-class 32-bit processor
along with all of the necessary System Service Elements,
implementing a true “system on a chip.” It is ideally suited for
a wide variety of applications running in a segmented
protect-mode environment. The NS486SXL is the second
member of the NS486 family.
Features
n 100% compatible with VxWorks, VRTX, QNX
Neutrino, pSOS +®, and other popular real-time
executives and operating system kernels
n Intel486 instruction set compatible (protected mode only)
with optimized performance
n Operation at 25 MHz with 5V supply
n Low cost 132-pin PQFP package
n Industry standard interrupt controller, timers, and real
time clock
n Protected WATCHDOGtimer
n Optimized DRAM Controller (supports two banks, up to
8 Mbytes each)
n Up to nine versatile, programmable chip selects
n Up to eight external interrupts directly supported, and
additional interrupt expansion through an external PIC
interface
n Glueless interface to ISA-type peripherals
n Arbitration support for auxiliary processor
n Support for External Bus Masters, allowing them to
access DRAM and on-chip Peripherals
n MICROWIRE/Access.bus synchronous serial
interfaces
n UART with IrDA v1.0 (Infrared Data Association) port
n Reconfigurable I/O: Up to 28 I/O pins can be used as
general purpose bidirectional I/O lines
n Flexible, programmable, multilevel power saving modes
maximize power savings
n Programming model compatible with the NS486SXF
where possible
Block Diagram NS486SXL Single-Chip Embedded Controller
MICROWIRE, NS486and WATCHDOGare trademarks of National Semiconductor Corporation.
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
Intel486is a trademaek of Intel Corporation.
pSOS +is a trademark of Integrated Systems, Inc.
VRTXis a registered trademark of Microtec Research, Inc.
PowerPack® is a registered trademark of Microtek International.
QNXis a registered trademark of QNX Software Systems, Inc.
VxWorksis a registered trademark of Wind River Systems, Inc.
© 1998 National Semiconductor Corporation DS100121
DS100121-1
www.national.com

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NS486SXLVUL

Optimized 32-Bit 486-Class Controller with On-Chip Peripherals for Embedded Systems

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NS486SXLVUL

Optimized 32-Bit 486-Class Controller with On-Chip Peripherals for Embedded Systems

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