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NS486SXF Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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NS486SXF Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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1 / 44 page  TLEE12514 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 IO 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 v10 (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 MBytesec 25 MHz) support many transfer modes Y High performance IEEE 1284 (ECP) Bidirectional Parallel Port Y MICROWIRETM Accessbus synchronous serial interfaces Y LCD Controller for an up to 4 grey scale supertwist Liquid Crystal Displays up to 480 X 320 Y Reconfigurable IO Up to 29 IO pins can be used as general purpose bidirectional IO lines Y Flexible programmable multilevel power saving modes maximize power savings NS486SXF Single-Chip Embedded Controller TLEE12514 – 1 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 RRD-B30M27Printed in U S A http www nationalcom |
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