Description
80C186EC CORE ARCHITECTURE Bus Interface Unit Clock Generator 80C186EC PERIPHERAL ARCHITECTURE Programmable Interrupt Controllers Timer Counter Unit Serial munications Unit DMA Unit Chip-Select Unit I O Port Unit Refresh Control Unit Watchdog Timer Unit Power Management Unit 80C187 Interface (80C186EC only) ONCE Test Mode PACKAGE INFORMATION Prefix Identification Pin Descriptions Pinout Package Thermal Specifications ELECTRICAL SPECIFICATIONS PAGE 4 4 4 4 5 7 7 7 7 7 7 7 7 8 8 8 8 8 8 15 24 25 25 CONTENTS Remended Connections PAGE 25 DC SPECIFICATIONS ICC versus Frequency and Voltage PDTMR Pin Delay Calculation 26 29 29 AC SPECIFICATIONS AC Characteristics 80C186EC25 AC Characteristics 80C186EC20 13 AC Characteristics 80L186EC13 AC Characteristics 80L186EC16 Relative Timings Serial Port Mode 0 Timings 30 30 32 33 34 35 36 AC TEST CONDITIONS 37 AC TIMING WAVEFORMS 37 DERATING CURVES 40 RESET 40 BUS CYCLE WAVEFORMS 43 EXECUTION TIMINGS 50 INSTRUCTION SET SUMMARY 51 ERRATA 57 REVISION HISTORY 57 2 80C186EC 188EC 80L186EC 188EC NOTE Pin names in parentheses apply to the 80C188EC 80L188EC Figure 1 80C186EC 80L186EC 272434 - 1 3 80C186EC 188EC 80L186EC 188EC INTRODUCTION Unless specifically noted all references to the 80C186EC apply to the 80C188EC 80L186EC and 80L188EC References to pins that differ between the 80C186EC 80L186EC and the 80C188EC 80L188EC are given in parentheses The ‘‘L’’ in the part number denotes low volt.
