80C186EB/80C188EB Microprocessor User's Manual - CEUNES

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INTRODUCTIONEach chapter covers a specific section of the device, beginning with the CPU core. Each peripheralchapter includes programming examples intended to aid in your understanding of device operation.Please read the comments carefully, as not all of the examples include all the codenecessary for a specific application.This user’s guide is a supplement to the device data sheet. Specific timing values are not discussedin this guide. When designing a system, always consult the most recent version of the devicedata sheet for up-to-date specifications.1.2 RELATED DOCUMENTSThe following table lists documents and software that are useful in designing systems that incorporatethe 80C186 Modular Core Family. These documents are available through Intel Literature.In the U.S. and Canada, call 1-800-548-4725 to order. In Europe and other international locations,please contact your local Intel sales office or distributor.NOTEIf you will be transferring a design from the 80186/80188 or 80C186/80C188to the 80C186XL/80C188XL, refer to FaxBack Document No. 2132.Table 1-2. Related Documents and SoftwareDocument/Software TitleDocumentOrder No.Embedded Microprocessors (includes 186 family data sheets) 272396186 Embedded Microprocessor Line Card 27207980186/80188 High-Integration 16-Bit Microprocessor Data Sheet 27243080C186XL/C188XL-20, -12 16-Bit High-Integration Embedded Microprocessor 272431Data Sheet80C186EA/80C188EA-20, -12 and 80L186EA/80L188EA-13, -8 (low power272432versions) 16-Bit High-Integration Embedded Microprocessor Data Sheet80C186EB/80C188EB-20, -13 and 80L186EB/80L188EB-13, -8 (low power272433versions) 16-Bit High-Integration Embedded Microprocessor Data Sheet80C186EC/80C188EC-20, -13 and 80L186EC/80L188EC-13, -8 (low power272434versions) 16-Bit High-Integration Embedded Microprocessor Data Sheet80C187 80-Bit Math Coprocessor Data Sheet 270640Low Voltage Embedded Design 27232480C186/C188, 80C186XL/C188XL Microprocessor User’s Manual 27216480C186EA/80C188EA Microprocessor User’s Manual 27095080C186EB/80C188EB Microprocessor User’s Manual 27083080C186EC/80C188EC Microprocessor User’s Manual 2720478086/8088/8087/80186/80188 Programmer’s Pocket Reference Guide 2310171-3
INTRODUCTIONTable 1-2. Related Documents and Software (Continued)Document/Software TitleDocumentOrder No.8086/8088 User’s Manual Programmer’s and Hardware Reference Manual 240487ApBUILDER Software 27221680C186EA Hypertext Manual 27227580C186EB Hypertext Manual 27229680C186EC Hypertext Manual 27229880C186XL Hypertext Manual 272630ZCON - Z80 Code ConverterAvailable on BBS1.3 CUSTOMER SERVICEThis section provides telephone numbers and describes various customer services.• Customer Support (U.S. and Canada) 800-628-8686• Customer Training (U.S. and Canada) 800-234-8806• Literature Fulfillment— 800-548-4725 (U.S. and Canada)— +44(0)793-431155 (Europe)• FaxBack* Service— 800-628-2283 (U.S. and Canada)— +44(0)793-496646 (Europe)— 916-356-3105 (worldwide)• Application Bulletin Board System— 916-356-3600 (worldwide, up to 14.4-Kbaud line)— 916-356-7209 (worldwide, dedicated 2400-baud line)— +44(0)793-496340 (Europe)Intel provides 24-hour automated technical support through the use of our FaxBack service andour centralized Intel Application Bulletin Board System (BBS). The FaxBack service is a simpleto-useinformation system that lets you order technical documents by phone for immediate deliveryto your fax machine. The BBS is a centralized computer bulletin board system that providesupdated application-specific information about Intel products.1-4
Page 1 and 2: 80C186EB/80C188EBMicroprocessorUser
Page 3 and 4: Information in this document is pro
Page 5 and 6: CONTENTS2.3.2 Software Interrupts .
Page 7 and 8: CONTENTS6.4.4 Enabling and Disablin
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Page 11 and 12: CONTENTSFIGURESFigurePage2-1 Simpli
Page 13 and 14: CONTENTSFIGURESFigurePage6-9 Using
Page 15 and 16: CONTENTSTableTABLESPage1-1 Comparis
Page 17 and 18: CONTENTSEXAMPLESExamplePage5-1 Init
Page 20 and 21: CHAPTER 1INTRODUCTIONThe 8086 micro
Page 24 and 25: INTRODUCTION1.3.1 How to Use Intel'
Page 26: Overview of the80C186 FamilyArchite
Page 29 and 30: OVERVIEW OF THE 80C186 FAMILY ARCHI
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OVERVIEW OF THE 80C186 FAMILY ARCHI
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Bus Interface Unit3
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BUS INTERFACE UNITPhysical Implemen
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BUS INTERFACE UNIT(X + 1)(X)A19:1 D
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BUS INTERFACE UNITFor word transfer
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BUS INTERFACE UNITCLKOUTT4 T1 T2 T3
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BUS INTERFACE UNITCLKOUTT4or TI T1
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BUS INTERFACE UNITSignals From CPU4
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BUS INTERFACE UNITT2T3or TWT4or TIC
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BUS INTERFACE UNITA normally not-re
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BUS INTERFACE UNITT2or T3or TWT3or
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BUS INTERFACE UNITAn idle bus state
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BUS INTERFACE UNIT3.5.1.1 Refresh B
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BUS INTERFACE UNITMost memory and p
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BUS INTERFACE UNITCLKOUTT4 T2 T3 TI
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BUS INTERFACE UNIT3.5.4 HALT Bus Cy
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BUS INTERFACE UNITCLKOUTT1 TI TIALE
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BUS INTERFACE UNITCLKOUTALES2:0AD15
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BUS INTERFACE UNITCLKOUTNMI/INTxNot
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BUS INTERFACE UNITALEProcessorA19:1
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BUS INTERFACE UNITThe WAIT instruct
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BUS INTERFACE UNITCLKOUTHOLD124HLDA
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BUS INTERFACE UNITCLKOUT1 3 4HOLDHL
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BUS INTERFACE UNITCLKOUTHOLD12345HL
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Peripheral ControlBlock4
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PERIPHERAL CONTROL BLOCKRegister Na
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PERIPHERAL CONTROL BLOCK4.3 RESERVE
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PERIPHERAL CONTROL BLOCK4.4.3.1 Wri
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PERIPHERAL CONTROL BLOCK4-8
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CHAPTER 5CLOCK GENERATION AND POWER
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CLOCK GENERATION AND POWER MANAGEME
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Chip-Select Unit6
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CHIP-SELECT UNIT27C25674AC138A1:13A
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CHIP-SELECT UNITT4 T1 T2 T3T4CLKOUT
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CHIP-SELECT UNITThe START register
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CHIP-SELECT UNITRegister Name:Regis
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CHIP-SELECT UNIT6.4.2 Start Address
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CHIP-SELECT UNITBUS READYREADY Cont
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CHIP-SELECT UNITTable 6-3 lists exa
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CHIP-SELECT UNITREADYALEA19:16AD15:
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CHIP-SELECT UNITDRAM_BASEEQU 128 ;W
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CHIP-SELECT UNIT; DATA SEGMENTDATAS
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CHAPTER 7REFRESH CONTROL UNITThe Re
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REFRESH CONTROL UNITRefresh Control
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REFRESH CONTROL UNIT7.5 REFRESH BUS
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REFRESH CONTROL UNIT7.7 PROGRAMMING
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REFRESH CONTROL UNITRegister Name:R
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REFRESH CONTROL UNITRegister Name:R
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REFRESH CONTROL UNITmov dx, RFBASEm
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Interrupt ControlUnit8
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INTERRUPT CONTROL UNITTimer 0 Timer
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INTERRUPT CONTROL UNITInterrupt sou
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INTERRUPT CONTROL UNIT8.2.2.1 Prior
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INTERRUPT CONTROL UNITINTINT08259Ao
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INTERRUPT CONTROL UNIT8.2.6 Edge an
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INTERRUPT CONTROL UNITTable 8-3. In
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INTERRUPT CONTROL UNIT.Register Nam
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INTERRUPT CONTROL UNIT8.3.2 Interru
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INTERRUPT CONTROL UNIT8.3.4 Priorit
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INTERRUPT CONTROL UNITReading the P
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INTERRUPT CONTROL UNITRegister Name
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INTERRUPT CONTROL UNIT3. Program th
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CHAPTER 9TIMER/COUNTER UNITThe Time
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TIMER/COUNTER UNITTimer 0 Timer 1 T
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TIMER/COUNTER UNITContinued From"A"
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TIMER/COUNTER UNITRegister Name:Reg
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TIMER/COUNTER UNITThe timer countin
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TIMER/COUNTER UNITTimer 0Serviced1I
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TIMER/COUNTER UNIT9.3.2 Synchroniza
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TIMER/COUNTER UNITlib_80186 segment
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TIMER/COUNTER UNIT$mod186nameexampl
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TIMER/COUNTER UNIT_CMPB equ word pt
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SerialCommunicationsUnit10
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SERIAL COMMUNICATIONS UNIT1 2 3 4 5
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SERIAL COMMUNICATIONS UNITThe RX ma
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SERIAL COMMUNICATIONS UNITThe Trans
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SERIAL COMMUNICATIONS UNIT5. At the
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SERIAL COMMUNICATIONS UNITRegister
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SERIAL COMMUNICATIONS UNITRegister
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SERIAL COMMUNICATIONS UNIT3. If the
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SERIAL COMMUNICATIONS UNITThe seria
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SERIAL COMMUNICATIONS UNIT10.2.3 Pr
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SERIAL COMMUNICATIONS UNITBCLK is a
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SERIAL COMMUNICATIONS UNITChannel_0
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SERIAL COMMUNICATIONS UNITmovmovmov
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SERIAL COMMUNICATIONS UNIT10.5.2 Mo
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SERIAL COMMUNICATIONS UNITMASTER186
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SERIAL COMMUNICATIONS UNIT$mod186na
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SERIAL COMMUNICATIONS UNIT$mod186na
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SERIAL COMMUNICATIONS UNITcmp al, F
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SERIAL COMMUNICATIONS UNIT10-36
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CHAPTER 11INPUT/OUTPUT PORTSMany ap
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INPUT/OUTPUT PORTS11.1.2 Input Port
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INPUT/OUTPUT PORTSFrom IntegratedPe
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INPUT/OUTPUT PORTS11.1.5.1 Port 1 O
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INPUT/OUTPUT PORTSRegister Name:Reg
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INPUT/OUTPUT PORTSRegister Name:Reg
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Math Coprocessing12
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MATH COPROCESSING12.3 THE 80C187 MA
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MATH COPROCESSINGAvailable data typ
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MATH COPROCESSING12.3.1.5 Constant
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MATH COPROCESSINGIncreasing Signifi
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MATH COPROCESSING12.4.1 Clocking th
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MATH COPROCESSINGExternalOscillator
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MATH COPROCESSING80C186Modular Core
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MATH COPROCESSING$mod186$modc187nam
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CHAPTER 13ONCE MODEONCE (pronounced
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80C186 InstructionSet Additions and
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80C186 INSTRUCTION SET ADDITIONS AN
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APPENDIX BINPUT SYNCHRONIZATIONMany
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Instruction SetDescriptionsC
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INSTRUCTION SET DESCRIPTIONSTable C
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INSTRUCTION SET DESCRIPTIONSINCINST
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INSTRUCTION SET DESCRIPTIONSOROUTTa
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INSTRUCTION SET DESCRIPTIONSC-48
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APPENDIX DINSTRUCTION SET OPCODESAN
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INSTRUCTION SET OPCODES AND CLOCK C
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Index
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INDEXand T-states, 3-9data phase, 3
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INDEXarithmetic instructions, 2-19-
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INDEXblock diagram, 3-15implementat
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INDEXWWait statesand bus cycles, 3-
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