ATTINY44 datasheet(6/238 Pages) ATMEL

Part #	ATTINY44

Description	8-bit AVR Microcontroller with 2/4/8K Bytes In-System Programmable Flash

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Manufacturer	ATMEL [ATMEL Corporation]

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8006J–AVR–08/10

ATtiny24/44/84

3. About

3.1

Resources

A comprehensive set of drivers, application notes, data sheets and descriptions on development

tools are available for download at http://www.atmel.com/avr.

3.2

Code Examples

This documentation contains simple code examples that briefly show how to use various parts of

the device. These code examples assume that the part specific header file is included before

compilation. Be aware that not all C compiler vendors include bit definitions in the header files

and interrupt handling in C is compiler dependent. Please confirm with the C compiler documen-

tation for more details.

For I/O Registers located in the extended I/O map, “IN”, “OUT”, “SBIS”, “SBIC”, “CBI”, and “SBI”

instructions must be replaced with instructions that allow access to extended I/O. Typically, this

means “LDS” and “STS” combined with “SBRS”, “SBRC”, “SBR”, and “CBR”. Note that not all

AVR devices include an extended I/O map.

3.3

Data Retention

Reliability Qualification results show that the projected data retention failure rate is much less

than 1 PPM over 20 years at 85°C or 100 years at 25°C.

3.4

Disclaimer

Typical values contained in this datasheet are based on simulations and characterization of

other AVR microcontrollers manufactured on the same process technology.

Similar Part No. - ATTINY44

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