The Microcontroller Idea Book - Jan Axelson's Lakeview Research

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Appendix A JDR Microdevices 2233 Samaritan Drive San Jose, CA 95124 1-800-538-5000 408-559-1200 Lite-On 720 S. Hillview Dr. Milpitas, CA 95035 408-946-4873 L.S. Electronic Systems Design 2280 Camilla Rd. Mississauga, ON L5A 2J8 Canada 905-277-4893 Marlin Jones & Associates P.O. Box 12685 Lake Park, FL 33403-0685 407-848-8236 Maxim Integrated Products 120 San Gabriel Drive Sunnyvale, CA 94086 408-737-7600 electronic components infrared detectors 8051 programming book surplus components RS232 interface, power-supply monitor ICs MDL Labs BASIC-52 programming environment, 1073 Limberlost Ct. enhanced BASIC-52 Columbus, OH 43235 614-431-2675 Micro Computer Control P.O. Box 275 17 Model Avenue Hopewell, NJ 08525 609-466-1751 Microcomputer Systems 1814 Ryder Drive Baton Rouge, LA 70808 504-769-2154 8051 assembler BASIC-52 systems 258 The Microcontroller Idea Book
Sources Micro Future 40944 Cascado Place Fremont, CA 94539 510-657-0264 Micromint 4 Park Street Vernon, CT 06066 203-871-6170 Midwest Micro-tek 2308 E. 6th St. Brookings, SD 57006 605-697-8521 Mitel Semiconductor P.O. Box 13089 Kanata, Ontario K2K 1X3 Canada 1-800-267-6244 613-592-2122 National Semiconductor Corporation 2900 Semiconductor Drive P.O. Box 58090 Santa Clara, CA 95052-8090 408-721-5000 1-800-272-9959 Newark Electronics 4801 N. Ravenswood Ave. Chicago, IL 60640-4496 312-784-5100 Omega Engineering One Omega Drive Box 4047 Stamford, CT 06907 1-800-826-6342 BASIC-52 programming environment 80C52-BASIC chip, systems, related products 8052-Basic boards switch-matrix chips linear, digital ICs electronic components sensors The Microcontroller Idea Book 259
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The Microcontroller Idea Book Circu
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Table of Contents Chapter 1 Microco
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Chapter 11 Control Circuits 185 Swi
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Introduction Introduction This book
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A chapter on assembly-language inte
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Microcontroller Basics 1 Microcontr
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But along with cheap, powerful, and
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makes sense. For simpler designs, a
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Microcontroller Basics Several tech
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Interpreters and compilers are two
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Inside the 8052-BASIC 2 Inside the
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Inside the 8052-BASIC • You can a
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hardware manuals. For programming,
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Inside the 8052-BASIC Figure 2-2 Pi
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Inside the 8052-BASIC Table 2-2. (p
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Inside the 8052-BASIC Code and data
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Powering Up 3 Powering Up This chap
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Powering Up Table 3-1. Parts list f
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Powering Up Figure 3-2. Truth table
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Powering Up Jumper J3 chooses the c
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Powering Up Figure 3-3. This is the
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Powering Up Construction Tips These
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Powering Up Serial Connectors Conne
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You’re now ready to power up the
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Powering Up PRINT XTAL Line Editing
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Powering Up PORT 1 Bit Values: Bit
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Powering Up Listing 3-3. Allows use
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10 CLOCK 1:TIME=0:SEC=0 20 A=0 30 P
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Saving Programs 4 Saving Programs I
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guaranteed for at least ten years.
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Saving Programs Figure 4-3. Circuit
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Jumper J4 is optional. It enables y
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memory on bootup. This is what allo
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This is the recommended algorithm f
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Saving Programs Figure 4-5. Additio
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problems with EPROMs that have a 10
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supply. The chip requires an additi
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Programming 5 Programming When you
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Subroutines have two advantages. Fi
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Programming • Hexadecimal numbers
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Programming It can be hard to find
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Programming Math Operators = + - *
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Programming expression / expression
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Programming DO: [program statements
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Programming LOG(expression) Returns
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Programming PH0.@ Same as PRINT@, b
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Programming RCAP2 Retrieves or assi
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Programming PRINT TAB(2) “hello
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Inputs and Outputs 6 Inputs and Out
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Unassigned space remains in the mem
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U11 is a 74HCT138 3-to-8-line decod
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If you wish, you can wire U14’s i
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Inputs and Outputs Figure 6-4. Outp
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Inputs and Outputs Listing 6-2. Set
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The 82C55 also has CMOS-compatible
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Inputs and Outputs Pin Symbol Input
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Inputs and Outputs An 8255 Interfac
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Inputs and Outputs XBY(0FC03h)=9BH
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To set or clear a different bit, de
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Switches and Keypads 7 Switches and
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Switches and Keypads Figure 7-2. Us
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exact value depending on the switch
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Switches and Keypads Figure 7-4. Tw
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Switches and Keypads Figure 7-6. A
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Switches and Keypads Custom Keypads
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Switches and Keypads • A single c
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Switches and Keypads Listing 7-3. T
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Displays 8 Displays In addition to
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Displays Figure 8-1. LED interfaces
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Displays Figure 8-2. Ways to connec
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Displays Figure 8-4. Four output po
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Displays Figure 8-5. The ICM7218D c
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In Figure 8-5’s circuit, an 82(C)
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Displays Figure 8-7. With the TC721
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Displays Figure 8-8. With a charact
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Table 8-1. LCD modules containing t
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Each character in the CG ROM and CG
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Displays Interfacing Full control o
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Displays Listing 8-4 (page 2 0f 2).
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Displays Listing 8-5. Displays key
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Displays Listing 8-6 (page 2 of 2).
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Using Sensors to Detect and Measure
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• What power supplies are availab
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different ground symbols for the tw
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10 REM use single-ended mode 20 REM
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Clocks and Calendars 10 Clocks and
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Listing 10-1. Uses BASIC-52’s rea
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Clocks and Calendars Figure 10-1. P
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Clocks and Calendars Table 10-1. Re
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If you want an alarm frequency othe
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Clocks and Calendars Listing 10-3 (
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Clocks and Calendars Listing 10-3 (
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Control Circuits 11 Control Circuit
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the LSTTL part, and wire the desire
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Control Circuits Listing 11-1. Cont
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Control Circuits Listing 11-2. Demo
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Control Circuits disables the outpu
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Wireless Links 12 Wireless Links Wi
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Wireless Links Figure 12-2. This in
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Wireless Links Because there are th
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Wireless Links Figure 12-4. The GP1
Page 217 and 218: through the LEDs. If you prefer an
Page 219 and 220: Wireless Links Figure 12-6. Using a
Page 221 and 222: Wireless Links Figure 12-7. Using a
Page 223 and 224: Wireless Links IREDs emit energy at
Page 225 and 226: In the infrared link, the amount of
Page 227 and 228: Calling Assembly-language Routines
Page 229 and 230: into memory in the 8052-BASIC syste
Page 231 and 232: 2048h in code memory. This is becau
Page 233 and 234: Binary value 1100 0101 Hex equivale
Page 235 and 236: Successful assembly is a good sign,
Page 237 and 238: statement must match the address in
Page 243 and 244: • BASIC-52’s ON EX1 instruction
Page 249 and 250: Running BASIC-52 from External Memo
Page 251 and 252: 14-1 for longer delays between writ
Page 253 and 254: In Figure 3-1, tie pin 31 of U2 (EA
Page 255 and 256: Related Products 15 Related Product
Page 257 and 258: Finally, a compiled BASIC program u
Page 259 and 260: Related Products Figure 15-3. Blue
Page 261 and 262: Sources Appendix A Sources This App
Page 263 and 264: Programming and Interfacing the 805
Page 265 and 266: Sources Product Vendors The followi
Page 267: Sources Electronics 123 17921 Rowla
Page 271 and 272: Sources Siemens Components 2191 Lau
Page 273 and 274: Programs for Loading Files Appendix
Page 275 and 276: Programs for Loading Files Listing
Page 281 and 282: Number Systems Appendix C Number Sy
Page 283 and 284: Number Systems This table shows the
Page 285 and 286: Index Index A ADC, 158 - 169 addres
Page 287 and 288: Index S sample and hold, 169 SBC, 3
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