INTRODUCTION

The M80C186EB is the first product in a new generation of low-power, high-integration microprocessors. It enhances the existing 186 family by offering new features and new operating modes. The M80C186EB is object code compatible with the M80C186/M80C188 microprocessors.

■ Integrated Feature Set

— Low-Power Static CPU Core

— Two Independent UARTs each with an Integral Baud Rate Generator

— Two 8-Bit Multiplexed I/O Ports

— Programmable Interrupt Controller

— Three Programmable 16-Bit Timer/Counters

— Clock Generator

— Ten Programmable Chip Selects with Integral Wait-State Generator

— Memory Refresh Control Unit

— System Level Testing Support (ONCE Mode)

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

■ Speed Versions Available:

— 16 MHz (M80C186EB-16)

— 13 MHz (M80C186EB-13)

— 8 MHz (M80C186EB-8)

■ Low-Power Operating Modes:

— Idle Mode Freezes CPU Clocks but keeps Peripherals Active

— Powerdown Mode Freezes All Internal Clocks

■ Complete System Development Support

— ASM86 Assembler, PL/M 86, Pascal 86, Fortran 86, C-86, and System Utilities

— In-Circuit Emulator (ICETM-186EB)

■ Supports M80C187 Numeric Coprocessor Interface

■ Available In:

— 88-Lead Pin Grid Array (MG80C186EB)