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NSC800E Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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NSC800E Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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1 / 76 page  TLC5171 June 1992 NSC800 TM High-Performance Low-Power CMOS Microprocessor General Description The NSC800 is an 8-bit CMOS microprocessor that func- tions as the central processing unit (CPU) in National Semi- conductor’s NSC800 microcomputer family National’s microCMOS technology used to fabricate this device pro- vides system designers with performance equivalent to comparable NMOS products but with the low power advan- tage of CMOS Some of the many system functions incorpo- rated on the device are vectored priority interrupts refresh control power-save feature and interrupt acknowledge The NSC800 is available in dual-in-line and surface mounted chip carrier packages The system designer can choose not only from the dedicat- ed CMOS peripherals that allow direct interfacing to the NSC800 but from the full line of National’s CMOS products to allow a low-power system solution The dedicated periph- erals include NSC810A RAM IO Timer NSC858 UART and NSC831 IO All devices are available in commercial industrial and mili- tary temperature ranges along with two added reliability flows The first is an extended burn in test and the second is the military class C screening in accordance with Method 5004 of MIL-STD-883 Features Y Fully compatible with Z80 instruction set Powerful set of 158 instructions 10 addressing modes 22 internal registers Y Low power 50 mW at 5V VCC Y Unique power-save feature Y Multiplexed bus structure Y Schmitt trigger input on reset Y On-chip bus controller and clock generator Y Variable power supply 24Vb60V Y On-chip 8-bit dynamic RAM refresh circuitry Y Speed 10 ms instruction cycle at 40 MHz NSC800-4 40 MHz NSC800-35 35 MHz NSC800-3 25 MHz NSC800-1 10 MHz Y Capable of addressing 64k bytes of memory and 256 IO devices Y Five interrupt request lines on-chip Block Diagram TLC5171 – 73 NSC800TM is a trademark of National Semiconductor Corp TRI-STATE is a registered trademark of National Semiconductor Corp Z80 is a registered trademark of Zilog Corp C1995 National Semiconductor Corporation RRD-B30M105Printed in U S A |
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Similar Description - NSC800E |
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