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Review for Midterm Exam - Microcontroller Interfacing | ECE 2534, Study notes of Microprocessors

Virginia Polytechnic Institute and State University (Virginia Tech)Microprocessors

Material Type: Notes; Class: Microcontroller Interfacing; Subject: Electrical & Computer Engineer; University: Virginia Polytechnic Institute And State University; Term: Spring 2010;

Typology: Study notes

Pre 2010

Uploaded on 02/25/2010

grantb2
grantb2 🇺🇸

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Review for
Review
for
Midterm Exam
• General background knowledge
– Combinational logic
–
Sequential logic
– Binary representations and arithmetic
–
Memor
y
conce
p
ts
yp
– Computer languages
• C/C++, assembly language, machine lang.
–
Computer organization
Computer
organization
• Major parts of a computer
• von Neumann architecture
•
Harvard / Princeton architecture
Harvard
/
Princeton
architecture
• RISC vs. CISC
•
Microprocessors vs. microcontrollers
Microprocessors
vs.
microcontrollers
pf3
pf4
pf5

Partial preview of the text

Download Review for Midterm Exam - Microcontroller Interfacing | ECE 2534 and more Study notes Microprocessors in PDF only on Docsity!

Review forReview for

Midterm Exam

  • General background knowledge
    • Combinational logic
    • Sequential logic
    • Binary representations and arithmetic
    • Memory conceptsy p
    • Computer languages
      • C/C++, assembly language, machine lang.
    • Computer organizationComputer organization
      • Major parts of a computer
      • von Neumann architecture
      • Harvard / Princeton architectureHarvard / Princeton architecture
      • RISC vs. CISC
  • Microprocessors vs. microcontrollersMicroprocessors vs. microcontrollers

Common computer organizationCommon computer organization

CPU

Memory

ALU I/O

Control to peripheral devices

  • Memory - stores programs and data
  • CPU Central Processing Unit

devices

  • CPU - Central Processing Unit
  • ALU - Arithmetic & Logic Unit
  • Control unit - Sequences data transfers and other operationsh i
  • I/O unit - Communicates with the “outside world”

MicroBlaze Instruction Set

  • ~ 124 instructions
    • 22 integer
      • 2 instruction types
        • Type A arithmetic
    • 8 logical
    • 9 shift
      • Up to 2 source registers
      • 1 destination
    • 2 compare register
    • 36 branch
    • 11 floating point 12 l d/ t

register

  • Type B
    • 1 source register
    • 1 immediate
  • 12 load/store d
  • 4 return
  • 22 other

operand

  • 1 destination register

Programming

  • Assembly language programming
    • What constitutes a program?What constitutes a program?
      • Instructions
      • Assembler directives (pseudo-ops)
      • CommentsComments
    • Assembly language vs. machine language
    • Subroutines (and parameter passing)Subroutines (and parameter passing)
    • Stacks
    • Timing loops
  • C/C++ programming
    • Program flow
    • Use of variables, pointersUse of variables pointers

Stack usage

• What is a stack?

• How can a stack be used forH t k b d f

subroutine linkage?

• Why is this a good idea?• Why is this a good idea?

• Where should the stack be

placed in memory?placed in memory?