AVR stands for the RISC processor AIF(Egil Bogen) and Vegard(Wollan). The AVR microcontroller created by ATMEL in 1997, is an improved RISC(Reduced instruction set CPU) high-speed 8-bit microcontroller with built-in flash.
The key Features of the AVR Microcontroller
- Flash memory is 16 KB, and SRAM is 1 KB.
- DIP package.
- Serial USART.
- Multifunction
- Mutiple internal oscilator.
- ISP or In system programmer.
- Flash memory up to 256 KB.
- Internal data EEPROM up to 4 KB.
- 10-bit 8-channel ADC.
- Internal SRAM up to 16 KB.
- EPROM is 512 bytes.
- SPI interface.
- It is available in 40-pin
- Master or slave SPI serial interface.
- ARM CPU.
- Programmbe serial USART.
- PWM channels - 4.
- Digital analog comparator
- 16-bit timer or counter 1
- 8-bit timers or counter 2
- 8-bit timers or counters 2
- Programmable watchdog timer including separate on-chip oscillator.
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