A80C186ECI

80C186EC/80C188EC AND 80L186EC/80L188EC 16-BIT HIGH-INTEGRATION EMBEDDED PROCESSORS X Fully Static Operation X True CMOS Inputs and Outputs Y Y Integrated Feature Set: Available in Extended Temperature b a Low-Power, Static, Enhanced 8086 Range ( 40Cto 85C) CPU Core Y Supports 80C187 Numerics Processor Two Independent DMA Supported Extension (80C186EC only) UARTs, each with an Integral Baud Y Package Types: Rate Generator 100-Pin EIAJ Quad Flat Pack (QFP) Four Independent DMA Channels 100-Pin Plastic Quad Flat Pack 22 Multiplexed I/O Port Pins (PQFP) Two 8259A Compatible 100-Pin Shrink Quad Flat Pack Programmable Interrupt Controllers (SQFP) Three Programmable 16-Bit Timer/ Counters Y Speed Versions Available (5V): 32-Bit Watchdog Timer 25 MHz (80C186EC25/80C188EC25) Ten Programmable Chip Selects with 20 MHz (80C186EC20/80C188EC20) Integral Wait-State Generator 13 MHz (80C186EC13/80C188EC13) Memory Refresh Control Unit Y Speed Version Available (3V): Power Management Unit 16 MHz (80L186EC16/80L188EC16) On-Chip Oscillator 13 MHz (80L186EC13/80L188EC13) System Level Testing Support (ONCE Mode) Y Direct Addressing Capability to 1 Mbyte Memory and 64 Kbyte I/O Y Low-Power Operating Modes: Idle Mode Freezes CPU Clocks but Keeps Peripherals Active Powerdown Mode Freezes All Internal Clocks Powersave Mode Divides All Clocks by Programmable Prescalar The 80C186EC is a member of the 186 Integrated Processor Family. The 186 Integrated Processor Family incorporates several different VLSI devices all of which share a common CPU architecture: the 8086/8088. The 80C186EC uses the latest high density CHMOS technology to integrate several of the most common system peripherals with an enhanced 8086 CPU core to create a powerful system on a single monolithic silicon die. *Other brands and names are the property of their respective owners. Information in this document is provided in connection with Intel products. Intel assumes no liability whatsoever, including infringement of any patent or copyright, for sale and use of Intel products except as provided in Intel s Terms and Conditions of Sale for such products. Intel retains the right to make changes to these specifications at any time, without notice. Microcomputer Products may have minor variations to this specification known as errata. COPYRIGHT INTEL CORPORATION, 2004 August, 2004 Order Number: 272434-00680C186EC/80C188EC and 80L186EC/80L188EC 16-BIT HIGH-INTEGRATION EMBEDDED PROCESSOR CONTENTS PAGE CONTENTS PAGE Recommended Connections 25 INTRODUCTION 4 DC SPECIFICATIONS 26 80C186EC CORE ARCHITECTURE 4 I versus Frequency and Voltage 29 CC Bus Interface Unit 4 PDTMR Pin Delay Calculation 29 Clock Generator 4 AC SPECIFICATIONS 30 80C186EC PERIPHERAL AC Characteristics80C186EC25 30 ARCHITECTURE 5 AC Characteristics80C186EC20/13 32 Programmable Interrupt Controllers 7 AC Characteristics80L186EC13 33 Timer/Counter Unit 7 AC Characteristics80L186EC16 34 Serial Communications Unit 7 Relative Timings 35 DMA Unit 7 Serial Port Mode 0 Timings 36 Chip-Select Unit 7 I/O Port Unit 7 AC TEST CONDITIONS 37 Refresh Control Unit 7 AC TIMING WAVEFORMS 37 Watchdog Timer Unit 7 Power Management Unit 8 DERATING CURVES 40 80C187 Interface (80C186EC only) 8 RESET 40 ONCE Test Mode 8 BUS CYCLE WAVEFORMS 43 PACKAGE INFORMATION 8 EXECUTION TIMINGS 50 Prefix Identification 8 Pin Descriptions 8 INSTRUCTION SET SUMMARY 51 Pinout 15 ERRATA 57 Package Thermal Specifications 24 REVISION HISTORY 57 ELECTRICAL SPECIFICATIONS 25 Absolute Maximum Ratings 25 2