ATMEGA16U1 데이터 시트보기 (PDF) - Atmel Corporation

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ATMEGA16U1

8-bit Microcontroller with 16/32K Bytes of ISP Flash and USB Controller

Atmel Corporation 

ATmega16U4/ATmega32U4

3. About

3.1 Disclaimer

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

other AVR microcontrollers manufactured on the same process technology. Min and Max values

will be available after the device is characterized.

3.2 Resources

A comprehensive set of development tools, application notes and datasheets are available for

download on http://www.atmel.com/avr.

3.3 Code Examples

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

the device. 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.

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

For I/O registers located in 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

"LDS" and "STS" combined with "SBRS", "SBRC", "SBR", and "CBR".

3.4 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.

8

7766E–AVR–04/10

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