80C186EC/80C188EC Microprocessor User's Manual

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INTERRUPT CONTROL UNIT Register Name: Register Mnemonic: Initialization Command Word 3 (Master) ICW3 (accessed through MPICP1) Register Function: Selects cascaded input pins on master 8259A. 15 0 S 7 S 6 S 5 S 4 S 3 S 2 S 1 S 0 A1222-0A Bit Mnemonic Bit Name Reset State Function S7:0 Slave IRs XXH Each S7:0 bit corresponds to the IR line of the same number. Setting an S7:0 bit indicates that a slave 8259A is attached to the corresponding IR line. NOTE: The S7 bit must be set in the master 8259A module for the <strong>80C186EC</strong>/C188EC. NOTE: Reserved register bits are shown with gray shading. Reserved bits must be written to a logic zero to ensure compatibility with future Intel products. Figure 8-14. ICW3 Register — Master Cascade Configuration 8-27
INTERRUPT CONTROL UNIT Register Name: Register Mnemonic: Register Function: Initialization Command Word 3 (Slave) ICW3 (accessed through SPICP1) Sets Slave ID for slave 8259A module. 15 0 0 0 0 0 0 I D 2 I D 1 I D 0 A1223-0A Bit Mnemonic Bit Name Reset State Function ID2:0 Slave ID XXH Sets the ID for a slave 8259A module. NOTE: The slave module in the <strong>80C186EC</strong>/C188EC must be set to an ID of 7 (111 binary). NOTE: Reserved register bits are shown with gray shading. Reserved bits must be written to a logic zero to ensure compatibility with future Intel products. Figure 8-15. ICW3 Register — Slave ID 8-28
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80C186EC/80C188EC Microprocessor Us
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Information in this document is pro
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CONTENTS 2.3 INTERRUPTS AND EXCEPTI
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CONTENTS 6.4 PROGRAMMING...........
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CONTENTS CHAPTER 9 TIMER/COUNTER UN
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CONTENTS 11.4 SERIAL COMMUNICATIONS
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CONTENTS FIGURES Figure Page 2-1 Si
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CONTENTS FIGURES Figure Page 6-6 ST
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CONTENTS FIGURES Figure Page 11-18
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CONTENTS Table TABLES Page C-1 Inst
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Introduction 1
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INTRODUCTION The 80C186 Modular Cor
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INTRODUCTION Table 1-2. Related Doc
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INTRODUCTION 1.3.2.1 How to Find Ap
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Overview of the 80C186 Family Archi
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OVERVIEW OF THE 80C186 FAMILY ARCHI
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Bus Interface Unit 3
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BUS INTERFACE UNIT Physical Impleme
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BUS INTERFACE UNIT (X + 1) (X) A19:
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BUS INTERFACE UNIT For word transfe
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BUS INTERFACE UNIT CLKOUT T4 T1 T2
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BUS INTERFACE UNIT CLKOUT T4 or TI
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BUS INTERFACE UNIT Signals From CPU
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BUS INTERFACE UNIT T2 T3 or TW T4 o
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BUS INTERFACE UNIT A normally not-r
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BUS INTERFACE UNIT T2 or T3 or TW T
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BUS INTERFACE UNIT An idle bus stat
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BUS INTERFACE UNIT T1 T2 T3 T4 CLKO
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BUS INTERFACE UNIT T1 T2 T3 T4 CLKO
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BUS INTERFACE UNIT The minimum devi
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BUS INTERFACE UNIT Figure 3-24 show
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BUS INTERFACE UNIT After several TI
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BUS INTERFACE UNIT 3.5.5 Temporaril
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BUS INTERFACE UNIT CLKOUT ALE T4 T1
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BUS INTERFACE UNIT CLKOUT NMI/NTx N
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BUS INTERFACE UNIT ALE Processor A1
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BUS INTERFACE UNIT The WAIT instruc
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BUS INTERFACE UNIT CLKOUT HOLD 1 2
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BUS INTERFACE UNIT CLKOUT 1 3 4 HOL
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BUS INTERFACE UNIT CLKOUT HOLD 1 2
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Peripheral Control Block 4
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PERIPHERAL CONTROL BLOCK Register N
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PERIPHERAL CONTROL BLOCK 4.3 RESERV
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PERIPHERAL CONTROL BLOCK 4.4.3.1 Wr
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Clock Generation and Power Manageme
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CLOCK GENERATION AND POWER MANAGEME
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CHAPTER 6 CHIP-SELECT UNIT Every sy
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CHIP-SELECT UNIT Stop Value Ignore
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CHIP-SELECT UNIT Address 1 Ready Fl
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CHIP-SELECT UNIT Register Name: Reg
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CHIP-SELECT UNIT Register Name: Reg
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CHIP-SELECT UNIT In the previous eq
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CHIP-SELECT UNIT No Any READY = 1 W
Page 186 and 187: CHIP-SELECT UNIT The GCS chip-selec
Page 188 and 189: CHIP-SELECT UNIT $ TITLE (Chip-Sele
Page 190 and 191: CHIP-SELECT UNIT ;SET UP CHIP SELEC
Page 192: Refresh Control Unit 7
Page 195 and 196: REFRESH CONTROL UNIT 7.1 THE ROLE O
Page 197 and 198: REFRESH CONTROL UNIT The BIU does n
Page 199 and 200: REFRESH CONTROL UNIT CLKOUT T4 T1 T
Page 201 and 202: REFRESH CONTROL UNIT 7.7.2.1 Refres
Page 203 and 204: REFRESH CONTROL UNIT Register Name:
Page 205 and 206: REFRESH CONTROL UNIT $mod186 name e
Page 207 and 208: REFRESH CONTROL UNIT T1 T1 T1 T1 T1
Page 210 and 211: CHAPTER 8 INTERRUPT CONTROL UNIT Th
Page 212 and 213: INTERRUPT CONTROL UNIT Polling requ
Page 214 and 215: INTERRUPT CONTROL UNIT INT INTA D7:
Page 216 and 217: INTERRUPT CONTROL UNIT Edge Sense L
Page 218 and 219: INTERRUPT CONTROL UNIT 8.3.2 Interr
Page 220 and 221: INTERRUPT CONTROL UNIT 8.3.3.1 Defa
Page 222 and 223: INTERRUPT CONTROL UNIT More than on
Page 224 and 225: INTERRUPT CONTROL UNIT IR0 IR1 IR2
Page 226 and 227: INTERRUPT CONTROL UNIT 10. On the s
Page 228 and 229: INTERRUPT CONTROL UNIT 8.3.7 Altern
Page 230 and 231: INTERRUPT CONTROL UNIT 8.4.2 Progra
Page 232 and 233: INTERRUPT CONTROL UNIT Begin Initia
Page 234 and 235: INTERRUPT CONTROL UNIT 8.4.3.3 ICW2
Page 238 and 239: INTERRUPT CONTROL UNIT Register Nam
Page 242 and 243: INTERRUPT CONTROL UNIT Table 8-2. O
Page 244 and 245: INTERRUPT CONTROL UNIT The ESMM (En
Page 246 and 247: INTERRUPT CONTROL UNIT Internal Int
Page 248 and 249: INTERRUPT CONTROL UNIT To Slave 825
Page 252 and 253: INTERRUPT CONTROL UNIT 8.6.1 Interr
Page 254 and 255: INTERRUPT CONTROL UNIT CPU WR RD GC
Page 256 and 257: INTERRUPT CONTROL UNIT Non-Alike Ac
Page 258 and 259: INTERRUPT CONTROL UNIT ;Now start t
Page 260: INTERRUPT CONTROL UNIT ;The followi
Page 264 and 265: CHAPTER 9 TIMER/COUNTER UNIT The Ti
Page 266 and 267: TIMER/COUNTER UNIT Timer 0 Timer 1
Page 268 and 269: TIMER/COUNTER UNIT Continued From "
Page 270 and 271: TIMER/COUNTER UNIT Register Name: R
Page 276 and 277: TIMER/COUNTER UNIT The timer counti
Page 278 and 279: TIMER/COUNTER UNIT Timer 0 Serviced
Page 280 and 281: TIMER/COUNTER UNIT 9.3.2 Synchroniz
Page 282 and 283: TIMER/COUNTER UNIT lib_80186 segmen
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TIMER/COUNTER UNIT _CMPB equ word p
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CHAPTER 10 DIRECT MEMORY ACCESS UNI
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DIRECT MEMORY ACCESS UNIT 10.1.1.1
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DIRECT MEMORY ACCESS UNIT The Chip-
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DIRECT MEMORY ACCESS UNIT Both Requ
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DIRECT MEMORY ACCESS UNIT Channel a
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DIRECT MEMORY ACCESS UNIT Register
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DIRECT MEMORY ACCESS UNIT When inte
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DIRECT MEMORY ACCESS UNIT The trans
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DIRECT MEMORY ACCESS UNIT 10.2.4 Su
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DIRECT MEMORY ACCESS UNIT 10.3.1 DR
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DIRECT MEMORY ACCESS UNIT $MOD186 n
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DIRECT MEMORY ACCESS UNIT SECTORS M
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DIRECT MEMORY ACCESS UNIT XOR AX, A
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DIRECT MEMORY ACCESS UNIT $mod186 n
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Serial Communications Unit 11
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SERIAL COMMUNICATIONS UNIT 1 2 3 4
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SERIAL COMMUNICATIONS UNIT The RX m
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SERIAL COMMUNICATIONS UNIT The Tran
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SERIAL COMMUNICATIONS UNIT 5. At th
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SERIAL COMMUNICATIONS UNIT Register
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SERIAL COMMUNICATIONS UNIT Register
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SERIAL COMMUNICATIONS UNIT 3. If th
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SERIAL COMMUNICATIONS UNIT The seri
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SERIAL COMMUNICATIONS UNIT 11.2.3 P
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SERIAL COMMUNICATIONS UNIT BCLK is
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SERIAL COMMUNICATIONS UNIT $mod186
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SERIAL COMMUNICATIONS UNIT mov dx,
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SERIAL COMMUNICATIONS UNIT mov dx,
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SERIAL COMMUNICATIONS UNIT Disconne
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CHAPTER 12 WATCHDOG TIMER UNIT Syst
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WATCHDOG TIMER UNIT Figure 12-3(b)
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WATCHDOG TIMER UNIT wdt_data segmen
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WATCHDOG TIMER UNIT A LOCKed instru
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WATCHDOG TIMER UNIT Register Name:
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WATCHDOG TIMER UNIT Register Name:
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WATCHDOG TIMER UNIT wdt_data segmen
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CHAPTER 13 INPUT/OUTPUT PORTS Many
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INPUT/OUTPUT PORTS 13.1.2 Output Po
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INPUT/OUTPUT PORTS From Port Direct
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INPUT/OUTPUT PORTS 13.1.4.3 Port 3
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INPUT/OUTPUT PORTS Register Name: R
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INPUT/OUTPUT PORTS Register Name: R
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Math Coprocessing 14
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MATH COPROCESSING 14.3 THE 80C187 M
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MATH COPROCESSING Available data ty
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MATH COPROCESSING 14.3.1.5 Constant
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MATH COPROCESSING Increasing Signif
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MATH COPROCESSING 14.4.1 Clocking t
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MATH COPROCESSING External Oscillat
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MATH COPROCESSING 80C186 Modular Co
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MATH COPROCESSING $mod186 $modc187
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CHAPTER 15 ONCE MODE ONCE (pronounc
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APPENDIX A 80C186 INSTRUCTION SET A
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80C186 INSTRUCTION SET ADDITIONS AN
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Input Synchronization B
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INPUT SYNCHRONIZATION A synchroniza
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APPENDIX C INSTRUCTION SET DESCRIPT
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INSTRUCTION SET DESCRIPTIONS Table
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INSTRUCTION SET DESCRIPTIONS NEG NO
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INSTRUCTION SET DESCRIPTIONS SHR ST
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APPENDIX D INSTRUCTION SET OPCODES
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INSTRUCTION SET OPCODES AND CLOCK C
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Index
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INDEX AH register, 2-5 AL register,
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INDEX synchronization, 10-23 transf
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INDEX NMI, 2-42 generating with WDT
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INDEX bus latency, 7-7 calculating
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INDEX Trap exceptions, 2-42 Trap Fl
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80C186EC/80C188EC Microprocessor User's Manual

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