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NS486SXLVUL Datasheet

  • NS486SXLVUL

  • Optimized 32-Bit 486-Class Controller with On-Chip Periphera...

  • 470.04KB

  • 26頁(yè)

  • NSC

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NS486SXL Optimized 32-Bit 486-Class Controller with On-Chip Peripherals for Embedded
Systems
ADVANCE INFORMATION
December 1997
NS486
鈩?/div>
SXL
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
鈩?/div>
-class 32-bit processor
along with all of the necessary System Service Elements,
implementing a true 鈥渟ystem on a chip.鈥?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.
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
鈩?/div>
/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
Features
n
100% compatible with VxWorks
鈩?/div>
, VRTX
鈩?/div>
, QNX
鈩?/div>
Neutrino, pSOS +
廬
, 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 WATCHDOG
鈩?/div>
timer
Block Diagram NS486SXL Single-Chip Embedded Controller
DS100121-1
MICROWIRE
鈩?/div>
, NS486
鈩?/div>
and WATCHDOG
鈩?/div>
are trademarks of National Semiconductor Corporation.
TRI-STATE
廬
is a registered trademark of National Semiconductor Corporation.
Intel486
鈩?/div>
is a trademaek of Intel Corporation.
pSOS +
鈩?/div>
is a trademark of Integrated Systems, Inc.
VRTX
鈩?/div>
is a registered trademark of Microtec Research, Inc.
PowerPack
廬
is a registered trademark of Microtek International.
QNX
鈩?/div>
is a registered trademark of QNX Software Systems, Inc.
VxWorks
鈩?/div>
is a registered trademark of Wind River Systems, Inc.
漏 1998 National Semiconductor Corporation
DS100121
www.national.com

NS486SXLVUL相關(guān)型號(hào)PDF文件下載

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  • 英文版
    Optimized 32-Bit 486-Class Controller with On-Chip Periphera...
    NSC
  • 英文版
    Optimized 32-Bit 486-Class Controller with On-Chip Periphera...
    NSC [Natio...
  • 英文版
    NS486TMSXF Optimized 32-Bit 486-Class Controller with On-Chi...
    NSC
  • 英文版
    NS486TMSXF Optimized 32-Bit 486-Class Controller with...
    NSC [Natio...
  • 英文版
    Optimized 32-Bit 486-Class Controller with On-Chip Periphera...
    NSC
  • 英文版
    Optimized 32-Bit 486-Class Controller with On-Chip Periphera...
    NSC [Natio...
  • 英文版
    Optimized 32-Bit 486-Class Controller with On-Chip Periphera...
    NSC
  • 英文版
    Optimized 32-Bit 486-Class Controller with On-Chip Periphera...
    NSC [Natio...
  • 英文版
    Intel486 SX Microprocessor IC - 1 Core, 32-Bit 25MHz 160-PQF...

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