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Introduction

The following Functional Description describes the base architecture of the 80186. The 80186 is a very high integration 16-bit microprocessor. It combines 15± 20 of the most common microprocessor system components onto one chip while providing twice the performance of the standard 8086. The 80186 is object code compatible with the 8086/8088 microprocessors and adds 10 new instruction types to the 8086/8088 instruction set.

Integrated Feature Set

Enhanced 8086-2 CPU

Clock Generator

2 Independent DMA Channels

Programmable Interrupt Controller

3 Programmable 16-bit Timers

Programmable Memory and Peripheral Chip-Select Logic

Programmable Wait State Generator

Local Bus Controller

Available in 10 MHz and 8 MHz Versions

High-Performance Processor

4 Mbyte/Sec Bus Bandwidth Interface @8 MHz (80186)

5 Mbyte/Sec Bus Bandwidth Interface @10 MHz (80186)

Direct Addressing Capability to 1 Mbyte of Memory and 64 Kbyte I/O

Completely Object Code Compatible with All Existing 8086, 8088 Software

10 New Instruction Types

Numerics Coprocessing Capability Through 8087 Interface

Available in 68 Pin:

Plastic Leaded Chip Carrier (PLCC)

Ceramic Pin Grid Array (PGA)

Ceramic Leadless Chip Carrier (LCC)

Available in EXPRESS

Standard Temperature with Burn-In

Extended Temperature Range (- 40°C to +85°C)