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Atmel AVR ATtiny comparison chart

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Atmel is a manufacturer of semiconductors, founded in 1984. One of its main products is microcontrollers. The smallest in their AVR family of microcontrollers are the ATtiny series (8-bit core and fewer features, fewer I/O pins, and less memory than other AVR series).

This table sums up the most interesting features of the current line-up of ATtiny microcontrollers, for easy comparison.

Abbreviations

  • TWI: Many of Atmels microcontrollers contain built-in support for interfacing to a two-wire bus, called Two-Wire Interface. This is essentially the same thing as the I²C interface by Philips, but that term is avoided in Atmel's documentation due to trademark issues.
  • USI: Universal Serial Interface (not to be confused with USB). The USI is a multi-purpose hardware communication module. With appropriate software support, it can be used to implement an SPI, I²C or UART interface.
  • References

    Atmel AVR ATtiny comparison chart Wikipedia