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80C186EA Dataheets PDF



Part Number 80C186EA
Manufacturers Intel Corporation
Logo Intel Corporation
Description 16-BIT HIGH-INTEGRATION EMBEDDED PROCESSORS
Datasheet 80C186EA Datasheet80C186EA Datasheet (PDF)

80C186EA 80C188EA AND 80L186EA 80L188EA 16-BIT HIGH-INTEGRATION EMBEDDED PROCESSORS Y Y Y Y 80C186 Upgrade for Power Critical Applications Fully Static Operation True CMOS Inputs and Outputs Y Integrated Feature Set Static 186 CPU Core Power Save Idle and Powerdown Modes Clock Generator 2 Independent DMA Channels 3 Programmable 16-Bit Timers Dynamic RAM Refresh Control Unit Programmable Memory and Peripheral Chip Select Logic Programmable Wait State Generator Local Bus Controller System-Level .

  80C186EA   80C186EA


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80C186EA 80C188EA AND 80L186EA 80L188EA 16-BIT HIGH-INTEGRATION EMBEDDED PROCESSORS Y Y Y Y 80C186 Upgrade for Power Critical Applications Fully Static Operation True CMOS Inputs and Outputs Y Integrated Feature Set Static 186 CPU Core Power Save Idle and Powerdown Modes Clock Generator 2 Independent DMA Channels 3 Programmable 16-Bit Timers Dynamic RAM Refresh Control Unit Programmable Memory and Peripheral Chip Select Logic Programmable Wait State Generator Local Bus Controller System-Level Testing Support (High Impedance Test Mode) Speed Versions Available (5V) 25 MHz (80C186EA25 80C188EA25) 20 MHz (80C186EA20 80C188EA20) 13 MHz (80C186EA13 80C188EA13) Speed Versions Available (3V) 13 MHz (80L186EA13 80L188EA13) 8 MHz (80L186EA8 80L188EA8) Direct Addressing Capability to 1 Mbyte Memory and 64 Kbyte I O Supports 80C187 Numeric Coprocessor Interface (80C186EA only) Available in the Following Packages 68-Pin Plastic Leaded Chip Carrier (PLCC) 80-Pin EIAJ Quad Flat Pack (QFP) 80-Pin Shrink Quad Flat Pack (SQFP) Available in Extended Temperature Range ( b 40 C to a 85 C) Y Y Y Y Y The 80C186EA is a CHMOS high integration embedded microprocessor The 80C186EA includes all of the features of an ‘‘Enhanced Mode’’ 80C186 while adding the additional capabilities of Idle and Powerdown Modes In Numerics Mode the 80C186EA interfaces directly with an 80C187 Numerics Coprocessor 272432 – 1 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 October 1995 COPYRIGHT INTEL CORPORATION 1995 Order Number 272432-003 1 80C186EA 80C188EA 80L186EA 80L188EA 80C186EA 80C188EA AND 80L186EA 80L188EA 16-Bit High Integration Embedded Processor CONTENTS INTRODUCTION 80C186EA CORE ARCHITECTURE Bus Interface Unit Clock Generator 80C186EA PERIPHERAL ARCHITECTURE Interrupt Control Unit Timer Counter Unit DMA Control Unit Chip-Select Unit Refresh Control Unit Power Management 80C187 Interface (80C186EA Only) ONCE Test Mode DIFFERENCES BETWEEN THE 80C186XL AND THE 80C186EA Pinout Compatibility Operating Modes TTL vs CMOS Inputs Timing Specifications PACKAGE INFORMATION Prefix Identification Pin Descriptions 80C186EA Pinout PAGE 4 4 4 4 5 5 5 7 7 7 7 8 8 8 8 8 8 8 9 9 9 15 CONTENTS PACKAGE THERMAL SPECIFICATIONS ELECTRICAL SPECIFICATIONS Absolute Maximum Ratings Recommended Connections DC SPECIFICATIONS ICC versus Frequency and Voltage PDTMR Pin Delay Calculation AC SPECIFICATIONS AC Characteristics 80C186EA20 13 AC Characteristics 80L186EA13 8 Relative Timings AC TEST CONDITIONS AC TIMING WAVEFORMS DERATING CURVES RESET BUS CYCLE WAVEFORMS EXECUTION TIMINGS INSTRUCTION SET SUMMARY REVISION HISTORY ERRATA PAGE 20 21 21 21 22 24 24 25 25 27 29 30 30 33 33 36 43 44 50 50 2 2 80C186EA 80C188EA 80L186EA 80L188EA NOTE Pin names in parentheses apply to the 80C186EA 80L188EA Figure 1 80C186EA 80C188EA Block Diagram 3 3 272432– 2 80C186EA 80C188EA 80L186EA 80L188EA INTRODUCTION Unless specifically noted all references to the 80C186EA apply to the 80C188EA 80L186EA and 80L188EA References to pins that differ between the 80C186EA 80L186EA and the 80C188EA 80L188EA are given in parentheses The ‘‘L’’ in the part number denotes low voltage operation Physically and functionally the ‘‘C’’ and ‘‘L’’ devices are identical The 80C186EA is the second product in a new generation of low-power high-integration microprocessors It enhances the existing 80C186XL family by offering new features and operating modes The 80C186EA is object code compatible with the 80C186XL embedded processor The 80L186EA is the 3V version of the 80C186EA The 80L186EA is functionally identical to the 80C186EA embedded processor Current 80C186EA customers can easily upgrade their designs to use the 80L186EA and benefit from the reduced power consumption inherent in 3V operation The feature set of the 80C186EA 80L186EA meets the needs of low-power space-critical applications Low-power applications benefit from the static design of the CPU core and the integrated peripherals as well as low voltage operation Minimum current consumption is achieved by providing a Powerdown Mode that halts operation of the device and freezes the clock circuits Peripheral design enhancements ensure that non-initialized peripherals consume little current Space-critical applications benefit from the integration of commonly used system peripherals Two flexible DMA channels perform CPU-independent data transfers A flexible chip select unit simplifies memory and peripheral interfacing The interrupt unit provides sources for up to 128 e.


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