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

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OVERVIEW OF THE 80C186 FAMILY ARCHITECTURENMIInterrupt Enable Bit (IE) = 1Trap Flag (TF) = 1DivideTimer InterruptPush PSW, CS, IPFetch Divide Error VectorInterrupt Enable Bit (IE) = 0Trap Flag (TF) = 0Push PSW, CS, IPFetch NMI VectorInterrupt Enable Bit (IE) = 0Trap Flag (TF) = 0Push PSW, CS, IPFetch Single Step VectorInterrupt Enable Bit (IE) = 0Trap Flag (TF) = 0Interrupt Enable Bit (IE) = 1Trap Flag (TF) = XExecute Single StepService RoutineIRETInterrupt Enable Bit (IE) = 0Trap Flag (TF) = ???Push PSW, CS, IPFetch Single Step VectorInterrupt Enable Bit (IE) = 1Trap Flag (TF) = XExecute Single Step Service RoutineIRETA1034-0AFigure 2-30. Simultaneous NMI, Single Step and Maskable Interrupt2-49
OVERVIEW OF THE 80C186 FAMILY ARCHITECTURE2-50
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80C186EB/80C188EBMicroprocessorUser
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Information in this document is pro
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CONTENTS2.3.2 Software Interrupts .
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CONTENTS6.4.4 Enabling and Disablin
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CONTENTS10.2.2 Asynchronous Mode Pr
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CONTENTSFIGURESFigurePage2-1 Simpli
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CONTENTSFIGURESFigurePage6-9 Using
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CONTENTSTableTABLESPage1-1 Comparis
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CONTENTSEXAMPLESExamplePage5-1 Init
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CHAPTER 1INTRODUCTIONThe 8086 micro
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INTRODUCTIONEach chapter covers a s
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INTRODUCTION1.3.1 How to Use Intel'
Page 26: Overview of the80C186 FamilyArchite
Page 29 and 30: OVERVIEW OF THE 80C186 FAMILY ARCHI
Page 39: OVERVIEW OF THE 80C186 FAMILY ARCHI
Page 78: Bus Interface Unit3
Page 81 and 82: BUS INTERFACE UNITPhysical Implemen
Page 83 and 84: BUS INTERFACE UNIT(X + 1)(X)A19:1 D
Page 85 and 86: BUS INTERFACE UNITFor word transfer
Page 87 and 88: BUS INTERFACE UNITCLKOUTT4 T1 T2 T3
Page 89 and 90: BUS INTERFACE UNITCLKOUTT4or TI T1
Page 91 and 92: BUS INTERFACE UNITSignals From CPU4
Page 93 and 94: BUS INTERFACE UNITT2T3or TWT4or TIC
Page 95 and 96: BUS INTERFACE UNITA normally not-re
Page 97 and 98: BUS INTERFACE UNITT2or T3or TWT3or
Page 99 and 100: BUS INTERFACE UNITAn idle bus state
Page 101 and 102: BUS INTERFACE UNIT3.5.1.1 Refresh B
Page 103 and 104: BUS INTERFACE UNITMost memory and p
Page 105 and 106: BUS INTERFACE UNITCLKOUTT4 T2 T3 TI
Page 107 and 108: BUS INTERFACE UNIT3.5.4 HALT Bus Cy
Page 109 and 110: BUS INTERFACE UNITCLKOUTT1 TI TIALE
Page 111 and 112: BUS INTERFACE UNITCLKOUTALES2:0AD15
Page 113 and 114: BUS INTERFACE UNITCLKOUTNMI/INTxNot
Page 115 and 116: BUS INTERFACE UNITALEProcessorA19:1
Page 117 and 118: BUS INTERFACE UNITThe WAIT instruct
Page 119 and 120: BUS INTERFACE UNITCLKOUTHOLD124HLDA
Page 121 and 122: BUS INTERFACE UNITCLKOUT1 3 4HOLDHL
Page 123 and 124: 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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80C186EB/80C188EB Microprocessor User's Manual - CEUNES

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