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HT83C51 Datasheet

  • HT83C51

  • HIGH TEMPERATURE 83C51 MICROCONTROLLER

  • 12頁

  • ETC

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HTMOS
TM
High Temperature Products
Preliminary
HIGH TEMPERATURE 83C51
MICROCONTROLLER
FEATURES
鈥?HTMOS Specified Over -55 to +225擄C
鈥?8-bit CPU Optimized For 5 Volt Control Applications
鈥?Four 8-bit Bidirectional Parallel Ports
鈥?Three 16-bit Timer/Counters with One Up/Down
Timer/Counter and Clock Out
鈥?Programmable Counter Array with:
鈥?Capture/Compare
鈥?Software Timer with Watchdog Capability
鈥?High Speed Output
鈥?Pulse Width Modulator
鈥?Down-Hole Oil Well
鈥?Interrupt Structure with Seven Sources and
Four Priority Levels
鈥?Half Duplex Programmable Serial Port with:
鈥?Framing Error Detection
鈥?Automatic Address Recognition
鈥?64K External Program Memory Address Space
鈥?Avionics
鈥?Turbine Engine Control
鈥?Industrial Process Control
鈥?Nuclear Reactor
鈥?Electric Power Conversion
鈥?Hermetic 40-Pin Ceramic DIP
HT83C51
鈥?64K External Data Memory Address Space
鈥?256 Bytes Internal Data Memory
鈥?8K Byte Mask ROM
鈥?On-Chip Oscillator
鈥?MCS-51Compatible Instruction Set
APPLICATIONS
鈥?Heavy Duty Internal Combustion Engines
GENERAL DESCRIPTION
The HT83C51 is a monolithic 8-bit microcontroller that is
pin equivalent to the Intel 8XC51FC microcontroller. Fab-
ricated with Honeywell鈥檚 dielectrically isolated high-tem-
perature (HTMOS鈩? process, it is designed specifically for
severe high-temperature applications such as down-hole
oil well, aerospace, turbine engine and industrial control.
The HT83C51 uses the standard MCS-51 instruction set
which is optimized for control applications. Pin-for-pin
equivalent to the MCS-51 series product, it is compatible
with all known development environments. Key features
include the programmable counter array, watch dog timer,
enhanced serial port for multi-processor communication
and a hierarchical interrupt structure. Software selectable
idle is included for reduced power. The HT83C51 varies
from the standard 83C51FC, in that it supports half-duplex
serial communication, and has 8K Bytes of Mask program-
mable ROM. The device is available in a standard pinout
DIP, with optional packages considered.
These microcontrollers provide guaranteed performance
supporting operating frequencies in excess of 16 MHz
over the full -55 to +225擄C temperature range. Typically,
parts will operate up to +300擄C for a year, with derated
performance. All parts are burned in at 250擄C to eliminate
infant mortality.
Solid State Electronics Center 鈥?12001 State Highway 55, Plymouth, MN 55441 鈥?(800) 323-8295 鈥?http://www.ssec.honeywell.com

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