Intel 80L186EA - Manual (Page 2)

80C186EA 80C188EA 80L186EA 80L188EA
80C186EA 80C188EA AND 80L186EA 80L188EA
16-Bit High Integration Embedded Processor
CONTENTS PAGE
INTRODUCTION 4
80C186EA CORE ARCHITECTURE 4
Bus Interface Unit 4
Clock Generator 4
80C186EA PERIPHERAL
ARCHITECTURE 5
Interrupt Control Unit 5
Timer Counter Unit 5
DMA Control Unit 7
Chip-Select Unit 7
Refresh Control Unit 7
Power Management 7
80C187 Interface (80C186EA Only) 8
ONCE Test Mode 8
DIFFERENCES BETWEEN THE
80C186XL AND THE 80C186EA 8
Pinout Compatibility 8
Operating Modes 8
TTL vs CMOS Inputs 8
Timing Specifications 8
PACKAGE INFORMATION 9
Prefix Identification 9
Pin Descriptions 9
80C186EA Pinout 15
CONTENTS PAGE
PACKAGE THERMAL
SPECIFICATIONS 20
ELECTRICAL SPECIFICATIONS 21
Absolute Maximum Ratings 21
Recommended Connections 21
DC SPECIFICATIONS 22
I
CC
versus Frequency and Voltage 24
PDTMR Pin Delay Calculation 24
AC SPECIFICATIONS 25
AC Characteristics 80C186EA20 13 25
AC Characteristics 80L186EA13 8 27
Relative Timings 29
AC TEST CONDITIONS 30
AC TIMING WAVEFORMS 30
DERATING CURVES 33
RESET 33
BUS CYCLE WAVEFORMS 36
EXECUTION TIMINGS 43
INSTRUCTION SET SUMMARY 44
REVISION HISTORY 50
ERRATA 50
2
2