3. Embedded Systems
DEFINITION
It is a combination of software and hardware to
perform a specific task.
It is a computer system with a dedicated functions .
Embedded system in which some
specific work has to be done in a
specific time period are called
real-time systems.
REAL TIME SYSTEM
14. WHERE WHAT FITS THE BEST !!
• HIGH SPEED LARGE MEMORY-
• LARGE NO. OF PURPOSE –
• LESS SPACE –
• COMPATIBILITY-
• PORTABILITY
MICROPROCESSOR
MICROCONTROLLER
15. What is AVR &
Atmega 16 ….???
It is family of microcontrollers manufactured by Atmel.
The ATmega16 is a low-power CMOS 8-bit
microcontroller
“16” specifies the 16 Kb flash memory
Based on the RISC architecture.
Optimized power consumption
High processing speed(16MHz)
16. Pin configuration
1 – 8 PORT B
14 – 21 PORT D
22 – 29 PORT C
33 – 40 PORT A
10 , 11 VCC , GND
12 , 13 XTAL 1 , 2
30 Vcc
31 GND
32 Aref
RESET 9