80386EX

Intel386™ EX Embedded Microprocessor Datasheet Product Features s s s s s s Static Intel386™ CPU Core — Low Power Consumption — Operating Power Supply EXTB: 2.7 V to 3.6 V EXTC: 4.5 V to 5.5 V — Operating Frequency 20 MHz EXTB at 2.7 V to 3.6 V 25 MHz EXTB at 3.0 V to 3.6 V; 25/33 MHz EXTC at 4.5 V to 5.5 V Transparent Power-management System Architecture — Intel System Management Mode Architecture Extension for Truly Compatible Systems — Power Management Transparent to Operating Systems and Application Programs — Programmable Power-management Modes Powerdown Mode — Clock Stopping at Any Time — Only 10–20 µA Typical CPU Sink Current Full 32-bit Internal Architecture — 8-, 16-, 32-bit Data Types — 8 General Purpose 32-bit Registers Runs Intel386 Architecture Software in a Cost-effective 16-bit Hardware Environment — Runs Same Applications and Operating Systems as the Intel386 SX and Intel386 DX Processors — Object Code Compatible with 8086, 80186, 80286, and Intel386 Processors High-performance 16-bit Data Bus — Two-clock Bus Cycles — Address Pipelining Allows Use of Slower, Inexpensive Memories s s s s s s s s s Extended Temperature Range Integrated Memory Management Unit — Virtual Memory Support — Optional On-chip Paging — 4 Levels of Hardware-enforced Protection — MMU Fully Compatible with MMUs of the 80286 and Intel386 DX Processors Virtual 8086 Mode Allows Execution of 8086 Software in a Protected and Paged System Large Uniform Address Space — 64 Megabyte Phy...