Technician's Guide to the 68HC11 Microcontroller

by Black, Dan; Chartrand, Leo

• ISBN13: 9780766817159
• ISBN10: 0766817156
• Edition: 1st
• Format: Paperback
• Copyright: 2000-10-05
• Publisher: Delmar Cengage Learning

Summary

Technician's Guide to the 68HC11 Microcontroller is ideal for readers with little or no prior programming experience who want to master the basics of troubleshooting and programming Motorola's 68HC11 microcontroller. Both hardware and software are covered in detail to provide a complete understanding of the principles underlying how a microcontroller works. Theory is supplemented by examples designed to illustrate how concepts may be applied. By learning how to program the 68HC11 at an elementary level, readers also gain valuable experience using manufacturer-specific documentation that prepares them for work with other more sophisticated microcontrollers.

Author Biography

Dan Black currently teaches digital courses in the Electronics Technician Program at DeVry Institute of Technology

Table of Contents

Introduction to Computer Hardware	1	(26)
Objectives	1	(1)
Outline	1	(1)
Introduction	2	(1)
Elements of Every Computer	2	(4)
Elements of Processors	6	(6)
Introduction to Memory	12	(3)
Memory Types	15	(1)
Input/Output	16	(3)
EVBU/BUFFALO	19	(8)
Summary	23	(1)
Chapter Questions	24	(1)
Answers to Self-Test Questions	25	(2)
Introduction to Computer Software	27	(26)
Objectives	27	(1)
Outline	27	(1)
Introduction	27	(1)
Programming the Computer	28	(4)
Memory Addressing Modes	32	(4)
HC11 Addressing Modes	36	(6)
Processing Instructions	42	(4)
Program Flow	46	(7)
Summary	48	(1)
Chapter Questions	49	(1)
Chapter Problems	50	(1)
Answers to Self-Test Questions	50	(3)
HC11 Programming	53	(40)
Objectives	53	(1)
Outline	53	(1)
Introduction	54	(1)
Condition Code Register Status Flags	55	(1)
Data Movement	56	(8)
Addition	64	(6)
Subtraction	70	(4)
Logic	74	(3)
Shifting and Rotating	77	(7)
Multiplication and Division	84	(3)
Status Flag Manipulation	87	(6)
Summary	88	(1)
Chapter Questions	88	(1)
Chapter Problems	89	(2)
Answers to Self-Test Questions	91	(2)
Branching and Loops	93	(26)
Objectives	93	(1)
Outline	93	(1)
Introduction	94	(1)
Jumping	94	(1)
Branching and Relative Address Mode	95	(5)
Branch Instructions	100	(4)
Preparation for a Valid Branch Test	104	(3)
Conditional Flow Using If-Then-Else	107	(4)
Program Loops	111	(8)
Summary	114	(1)
Chapter Questions	114	(1)
Chapter Problems	115	(1)
Answers to Self-Test Questions	116	(3)
Indexing Through Memory	119	(18)
Objectives	119	(1)
Outline	119	(1)
Introduction	119	(1)
Using Indexed Addressing	120	(4)
Summing a List of Numbers	124	(4)
Finding the Largest Number	128	(2)
Counting the Number of Positive Numbers	130	(1)
Copying a Block of Memory	131	(6)
Summary	133	(1)
Chapter Questions	133	(1)
Chapter Problems	134	(1)
Answers to Self-Test Questions	134	(3)
Subroutines	137	(24)
Objectives	137	(1)
Outline	137	(1)
Introduction	137	(1)
Temporary Storage Using a Stack	138	(3)
Function of Subroutines	141	(4)
Parameter Passing	145	(3)
Converting a Hex Value to ASCII	148	(2)
Nested Subroutines	150	(4)
BUFFALO Subroutines	154	(7)
Summary	157	(1)
Chapter Questions	157	(1)
Chapter Problems	158	(1)
Answers to Self-Test Questions	159	(2)
Working with an Assembler	161	(12)
Objectives	161	(1)
Outline	161	(1)
Introduction	161	(1)
Writing Source Code	162	(3)
Assembler Functions	165	(3)
Listing Files	168	(1)
``S'' Records	169	(4)
Summary	171	(1)
Chapter Questions	171	(1)
Chapter Problems	172	(1)
Answers to Self-Test Questions	172	(1)
Memory Systems	173	(22)
Objectives	173	(1)
Outline	173	(1)
Introduction	174	(1)
Address Decoding	174	(3)
On-chip Memory	177	(2)
RAM	179	(3)
EEPROM	182	(5)
ROM	187	(1)
System Registers	188	(2)
Memory Expansion	190	(5)
Summary	192	(1)
Chapter Questions	192	(1)
Chapter Problems	193	(1)
Answers to Self-Test Questions	193	(2)
General Purpose I/O	195	(20)
Objectives	195	(1)
Outline	195	(1)
Introduction	195	(1)
Port B---Output Only	196	(1)
Port C---Programmable I/O	197	(2)
Bit-Level Operations	199	(6)
I/O with Handshaking	205	(5)
General-Purpose I/O On Other Ports	210	(5)
Summary	212	(1)
Chapter Questions	212	(1)
Chapter Problems	213	(1)
Answers to Self-Test Questions	213	(2)
HCII Interrupts and Resets	215	(30)
Objectives	215	(1)
Outline	215	(1)
Introduction	216
Condition Code Register Control Bits	116	(101)
Servicing an Interrupt	217	(5)
Interrupt Control	222	(3)
Maskable Interrupts	225	(5)
Using Interrupts on the EVBU	230	(3)
Nonmaskable Interrupts	233	(4)
Resets	237	(3)
Servicing a Reset Interrupt	240	(5)
Summary	242	(1)
Chapter Questions	242	(1)
Chapter Problems	243	(1)
Answers to Self-Test Questions	243	(2)
Analog Capture---Port E	245	(20)
Objectives	245	(1)
Outline	245	(1)
Introduction	245	(1)
Theory of Analog Conversion	246	(5)
A/D Hardware	251	(5)
A/D Function	256	(3)
Example Using an LM34/35 Temperature Sensor	259	(6)
Summary	261	(1)
Chapter Questions	262	(1)
Chapter Problems	263	(1)
Answers to Self-Test Questions	263	(2)
Timed Events---Port A	265	(32)
Objectives	265	(1)
Outline	265	(1)
Introduction	266	(1)
Theory of Timed Events	266	(2)
Main Timer Functions	268	(5)
Input Capture	273	(6)
Output Compare	279	(7)
Pulse Accumulator	286	(5)
Real-Time Interrupts	291	(6)
Summary	293	(1)
Chapter Questions	293	(2)
Chapter Problems	295	(1)
Answers to Self-Test Questions	295	(2)
Serial Communication---Port D	297	(20)
Objectives	297	(1)
Outline	297	(1)
Introduction	297	(1)
Theory of Serial Communication	298	(2)
Serial Communications Interface	300	(10)
Serial Peripheral Interface (SPI)	310	(7)
Summary	314	(1)
Chapter Questions	315	(1)
Chapter Problems	315	(1)
Answers to Self-Test Questions	316	(1)
C Programming and the HC11	317	(18)
Objectives	317	(1)
Outline	317	(1)
Introduction	317	(1)
C Programming	318	(1)
Data Types	319	(2)
Operators	321	(1)
Variables	322	(2)
Special Statements	324	(2)
Subroutines	326	(1)
Examples	326	(9)
Summary	331	(1)
Chapter Questions	331	(1)
Chapter Problems	332	(1)
Answers to Self-Test Questions	333	(2)
Appendix A Computer Matematics	335	(24)
Introduction	335	(24)
A.1 Number Systems/Conversions	335	(8)
A.2 Arithmetic	343	(4)
A.3 Signed Numbers (2's Complement Number System)	347	(4)
A.4 Binary-Coded Decimal	351	(2)
A.5 Numeric Notation	353	(1)
A.6 Multiprecision Arithmetic	354	(5)
Appendix B Booting from EEPROM	359	(2)
Modifying the EEPROM Program to Include Initialization Code	359	(2)
Appendix C Loading Programs Directly into the EEPROM	361	(2)
Procedure	361	(1)
Changing the EVBU Jumper	362	(1)
Appendix D Acronym List	363	(8)
Glossary	371	(10)
Index	381