1. ECE 3430 – Intro to Microcomputer Systems
ECE 3430 – Introduction to Microcomputer Systems University of Colorado at Colorado Springs
Lecture #8
Agenda Today
Exam #1 Review (questions and answers)
Announcements
Exam #1 (see schedule):
Data sheets: Instruction Set Encodings and Timing Provided
No notes, laptops, PDAs, phones
Bring calculator and pencil
Multiple choice/fill in the blank/short answer
Lecture #8
ECE 3430 – Intro to Microcomputer Systems
Fall 2014

2. ECE 3430 – Intro to Microcomputer Systems
Exam #1 Review
Number Systems
- Base Conversion. - Two’s Compliment Negation / Range / Arithmetic / Overflow. - BCD (know what it is). - Ways to represent signed numbers in computers.
Computer Hardware (HW) and Software (SW)
- Differences between microprocessors and microcontrollers.
- Definition of a microcomputer.
- Fundamental components of a microcomputer.
- CPU (registers, ALU, control unit). - Types of Memory (RAM, ROM).
- Terminology (cross-assembler, native assembler, machine
code, etc…). - Ways to represent characters in computer memory (ASCII/Unicode).
MSP430
- MSP430 programming model.
- Basic familiarity with the MSP430 block diagram.
- Peripheral Interfacing (active-high and active-low sensor and
actuator interfacing).
Lecture #8
ECE 3430 – Intro to Microcomputer Systems
Fall 2014

3. ECE 3430 – Intro to Microcomputer Systems
Exam #1 Review
MSP430 (cont)…
- Definition of opcodes and operands (instruction codes). - Know all 7 addressing modes (know which 4 are native).
- Know roles of constant generators.
- Move instructions. - MSP430 memory map (be familiar with).
- MSP430 and LaunchPad port availability and I/O. - Assembler Fields.
- Assembler Directives (ORG, END, DS, DB, DW, EQU, …).
- Listing files.
Instruction Execution - Instruction cycle: memory read cycles and memory write cycles. - Program counter’s role in execution. - Instruction execution and timing. - Encoding and Decoding machine code.
Lecture #8
ECE 3430 – Intro to Microcomputer Systems
Fall 2014

4. ECE 3430 – Intro to Microcomputer Systems
Exam #1 Review
Other - Condition code flags in status register (what they represent).
- Data direction registers and input/output registers for port I/O.
- Logical instructions: AND, OR (BIS), XOR.
- Arithmetic instructions: Addition and subtractions.
- Be familiar with multiplication and division algorithms discussed.
Lecture #8
ECE 3430 – Intro to Microcomputer Systems
Fall 2014

5. ECE 3430 – Intro to Microcomputer Systems
Exam #1 Review
Review all presentations on the web and your notes.
Review first three homework exercises.
Questions?
Lecture #8
ECE 3430 – Intro to Microcomputer Systems
Fall 2014