Intel386^TM  SX MICROPROCESSOR

The Intel386TM SX Microprocessor is an entry-level 32-bit CPU with a 16-bit external data bus and a 24-bit
external address bus. The Intel386 SX CPU brings the vast software library of the Intel386TMArchitecture to
entry-level systems. It provides the performance benefits of a 32-bit programming architecture with the cost savings associated with 16-bit hardware systems.

Full 32-Bit Internal Architecture
   8-, 16-, 32-Bit Data Types
   8 General Purpose 32-Bit Registers
Runs Intel386TMSoftware in a Cost Effective 16-Bit Hardware Environment
   Runs Same Applications and O.S.'s as the Intel386TMDX Processor
   Object Code Compatible with 8086, 80186, 80286, and Intel386^TM Processors
High Performance 16-Bit Data Bus
   16, 20, 25 and 33 MHz Clock
   Two-Clock Bus Cycles
   Address Pipelining Allows Use of Slower/Cheaper Memories
Integrated Memory Management Unit
   Virtual Memory Support
   Optional On-Chip Paging
   4 Levels of Hardware Enforced Protection
   MMU Fully Compatible with Those of the 80286 and Intel386 DX CPUs
Virtual 8086 Mode Allows Execution of 8086 Software in a Protected and Paged System
Large Uniform Address Space
   16 Megabyte Physical
   64 Terabyte Virtual
   4 Gigabyte Maximum Segment Size
Numerics Support with the Intel387^TM SX Math CoProcessor
On-Chip Debugging Support Including
Breakpoint Registers
Complete System Development Support
   Software: C, PL/M, Assembler
   Debuggers: PMON-386 DX, ICETM-386 SX
High Speed CHMOS IV Technology
Operating Frequency:
   Standard
    (Intel386 SX -33, -25, -20, -16)
    Min/Max Frequency
    (4/33, 4/25, 4/20, 4/16) MHz
   Low Power
    (Intel386 SX -33, -25, -20, -16, -12)
    Min/Max Frequency
    (2/33, 2/25, 2/20, 2/16, 2/12) MHz
100-Pin Plastic Quad Flatpack Package