1 SPIRIT Silicon Prairie Initiative on Robotics in Information Technology MicroprocessorsMicrocomputers &Microcontrollers.

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Presentation transcript:

1 SPIRIT Silicon Prairie Initiative on Robotics in Information Technology MicroprocessorsMicrocomputers &Microcontrollers

2 SPIRIT computers How many computers have you used today?Question?

3 SPIRIT Product: Hunter Programmable Digital Thermostat. Microcontroller: 4-bit

4 SPIRIT Product: Vendo V-MAX 720 vending machine. Microcontroller: 8-bit Motorola 68HC11.

5 SPIRIT Product: Sonicare Plus toothbrush. Microcontroller: 8-bit Zilog Z8.

6 SPIRIT Microcomputer

7 Microprocessor

8 Stored Program Computer

9 SPIRIT

10 SPIRIT

11 SPIRIT

12 SPIRIT ATtiny861

13 SPIRIT AVR Architecture

14 SPIRIT AVR Register Set

15 SPIRIT Computer Software  Arithmetic Operations  Addition  Subtraction  Multiplication, Division, Logarithms, Trig functions  all are implemented through addition and subtraction

16 SPIRIT Computer Software  Logic Operations  AND  OR  NOT  Performed on a bit-wise basis mimicking elementary logic gates

17 SPIRIT Computer Software  Conditional Operations  Depend on the result of an operation  Transfer control to a particular branch in the program  Positive?  Negative?  Zero?

18 SPIRIT Data Transfer Instructions

19 SPIRIT Arithmetic and Logic

20 SPIRIT Branch Instructions

21 SPIRIT ISN’T What ISN’T a Microprocessor Application?Question?