ELE 205 Microprocessor Laboratory

Spring 2007 –Updated as of Jan 24th!

Instructor Dr. William J. Ohley

E-mail: ohley@ele.uri.edu

• Syllabus
• Past Quizzes
• Lab handouts
1. Introduction to the M68HC11
2. Addressing Modes, Branches, & Loops
3. Software Simulator
4. Four-function Calculator We will skip this one!
5. 8-bit Multiply
6. Square Wave Generation
7. Timing & Control
8. Serial Communication
• 68HC11 instruction set
• 68HC11 opcode / instruction cross reference
• Project ideas
• EVBplus2 development board information

1. Getting Started Manual (version 2.45, 114 Kb pdf)
2. Memory map (58 Kb pdf)
3. Demonstration programs (20 Kb zip file) for using
   the on-board 7-segment LEDs, LCD display,
   infrared transceiver, and speaker.
• Motorola Documentation

1. 8-Bit Cross Assemblers User's Manual - M68FCASS/AD1 (177 Kb pdf)
2. BUFFALO monitor Quick Reference (from the old EVB manual; 27 Kb pdf)
3. BUFFALO monitor Manual (another location) (46 Kb pdf)
4. BUFFALO monitor source code
5. M68HC11 Reference Manual - M68HC11RM/D Rev. 6 (6.4 Mb pdf)
6. Application Notes
7. Engineering Bulletins
8. Reference Manuals
9. The OLD Motorola EVB M68HC11EVB User's Manual. (740 Kb pdf)
   Has useful information about BUFFALO commands, interrupt
   pseudovectors, and P connectors.
• Data Sheets and other documentation for the chips we use in lab
• M68HC11 Software for PCs: (Setup for Windows XP)
1. Cross Assembler: AS11.zip and reference notes AS11.txt.
   (See the full documentation above, 8-Bit Cross Assemblers User's Manual.)
2. Simulator: Wookie version 1.67 (home page)
• executable (303 Kb zip file) (from MSOE)
• manual (54 Kb pdf) (from MSOE)
3. Motorola Freeware disk (219 Kb zip file)
• Useful notes (in pdf)

1. Source code and list file for loop_sum.asm
2. 68HC11 microcomputer diagram
3. Clocks and AS signal
4. READ cycle bus signals
5. WRITE cycle bus signals
6. Serial data format
7. Serial communication via interrupts
8. Vector Jump Table (from the old EVB manual)
• Useful links
1. EVBplus2 Development Board in our lab (from Wytec)
2. A nice ASCII table
3. Embedded Utilities (Eric Engler's AsmIDE software)
4. 68hcxx Internet Resources
5. 68hcxx web ring
6. JBug11 a Windows monitor/debugger for the 68HC11
7. WinZip for decompressing ZIP files