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ATMEGA1281-16AU Datasheet(PDF) 10 Page - ATMEL Corporation

Part No. ATMEGA1281-16AU
Description  8-bit Microcontroller with 64K/128K/256K Bytes In-System Programmable Flash
Download  37 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATMEGA1281-16AU Datasheet(HTML) 10 Page - ATMEL Corporation

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10
2549LS–AVR–08/07
ATmega640/1280/1281/2560/2561
2.3.17
AVCC
AVCC is the supply voltage pin for Port F and the A/D Converter. It should be externally con-
nected to V
CC, even if the ADC is not used. If the ADC is used, it should be connected to VCC
through a low-pass filter.
2.3.18
AREF
This is the analog reference pin for the A/D Converter.
3.
Resources
A comprehensive set of development tools and application notes, and datasheets are available
for download on http://www.atmel.com/avr.
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.


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