AVR Embedded Systems

Introduction:

• What is Embedded System ?
• Microprocessor vs Microcontroller
• CISC vs RISC

A few words about the family of AVR microcontrollers

Overview of Architecture of ATMEGA 328:

• Processor Core and Functional Block Diagram
• Description of memory Organization
• Overview of ALL SFR’s and their basic functionality

Low Level programming Concepts:

• Addressing Modes
• Instruction Set and Assembly Language programming(ALP)
• Developing, Building, and Debugging ALP’s

Middle Level Programming Concepts:

• Cross Compiler
• Embedded C language implementation, programming & debugging
• Differences from ANSI-C
• Library reference
• Use of #pragma directive
• Functions, Parameter passing and return types

On-Chip Peripherals Study,Programming, and Application:

• Ports: Input/Output
• Timers & Counters
• UART
• Interrupts
• SPI
• Comparator

External Interfaces Study,Programming and Applications :

• LED’s
• Switches(Momentary type, Toggle type)
• Seven Segment Display: (Normal mode, BCD mode,Internal Multiplexing & External Multiplexing)
• LCD (8 bit, 4 bit, Busy flag, custom character generation)
• Keypad Matrix

Protocols Study,Programming and Applications :

• I2C (EEPROM and RTC)
• SPI (EEPROM)
• I Wire(Sensor)
• Infrared Communication(RC5 protocol)

Selective Discussion during Project Development

• A/D & D/A Converter
• Stepper Motor, DC Motor
• RF Communication
• RFID
• CAN
• ZIGBEE
• GSM/GPS
• USB
• MMC & SD
• Ethernet MAC