●INTRODUCTION
●Unless specifically noted, all references to the 80C186XL apply to the 80C188XL. References to
●pins that differ between the 80C186XL and the 80C188XL are given in parentheses.
●The following Functional Description describes the base architecture of the 80C186XL. The 80C186XL is a very high integration 16-bit microprocessor. It combines 15± 20 of the most common microproces sor system components onto one chip. The 80C186XL is object code compatible with the 8086/8088 microprocessors and adds 10 new in struction types to the 8086/8088 instruction set.
●Low Power, Fully Static Versions of 80C186/80C188
●Operation Modes:
● Enhanced Mode
● DRAM Refresh Control Unit
● Power-Save Mode
● Direct Interface to 80C187 (80C186XL Only)
● Compatible Mode
● NMOS 80186/80188 Pin-for-Pin Replacement for Non-Numerics Applications
●Integrated Feature Set
● Static, Modular CPU
● Clock Generator
● 2 Independent DMA Channels
● Programmable Interrupt Controller
● 3 Programmable 16-Bit Timers
● Dynamic RAM Refresh Control Unit
● Programmable Memory and Peripheral Chip Select Logic
● Programmable Wait State Generator
● Local Bus Controller
● Power-Save Mode
● System-Level Testing Support (High Impedance Test Mode)
●Completely Object Code Compatible with Existing 8086/8088 Software and Has 10 Additional Instructions over 8086/8088
●Speed Versions Available
● 25 MHz (80C186XL25/80C188XL25)
● 20 MHz (80C186XL20/80C188XL20)
● 12 MHz (80C186XL12/80C188XL12)
●Direct Addressing Capability to 1 MByte Memory and 64 Kbyte I/O
●Available in 68-Pin:
● Plastic Leaded Chip Carrier (PLCC)
● Ceramic Pin Grid Array (PGA)
● Ceramic Leadless Chip Carrier (JEDEC A Package)
●Available in 80-Pin:
● Quad Flat Pack (EIAJ)
● Shrink Quad Flat Pack (SGFP)
●Available in Extended Temperature Range (b40§Ctoa85§C)
