Intel 80C186XL/80C188XL Microprocessor User Manual

About this manual

This manual introduces the 80C186XL/80C188XL microprocessor family, covering its architecture, instruction set, and system design considerations. It includes chapters on the execution unit, bus interface, peripheral control, clock generation, power management, and various control units.

The document also provides programming guidelines, example code, and hardware interfacing details such as bus cycles, interrupt handling, DMA operation, and math coprocessor integration, making it a comprehensive reference for designers and developers.

What's inside

• Introduction
• Overview of the 80C186 Family Architecture
• Bus Interface Unit
• Peripheral Control Block
• Clock Generation and Power Management
• Chip-Select Unit
• Refresh Control Unit
• Interrupt Control Unit
• Timer/Counter Unit
• Direct Memory Access Unit

Specifications

Frequently asked questions

What is the order number for this manual?

The order number is 272164-003.

When was this manual published?

The manual was published in 1995.

What bus widths does the 80C186 family support?

It supports both a 16‑bit data bus and an 8‑bit data bus.