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ATMEGA16U4-MU 其他数据使用手册 - Microchip（微芯）
制造商:
Microchip（微芯）
分类:
微控制器
封装:
QFN-44
描述:
ATmega 系列 16 KB 闪存 1.25 KB SRAM 16 MHz 8位 微控制器 - QFN-44
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ATMEGA16U4-MU数据手册
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AVR
®
530: Migrating from AT90USB162/82 to
ATmega16U2/8U2
1 Introduction
In order to optimize the manufacturing process and to further reduce current
consumption, an optimized version of AT90USB162/82 has been introduced.
The ATmega16U2/8U2 is a functionally identical, drop-in replacement for the
AT90USB162/82. All devices are subject to the same qualification process and
same set of production tests but since the manufacturing process is not the same,
some electrical characteristics differ. In addition, the performance of some analog
modules such as the Brown-Out Detector (BOD) and Power-On Rest (POR) has
been improved. Some new features have also been added to the
ATmega16U2/8U2.
AT90USB162/82 and ATmega16U2/8U2 have separate datasheets. This
application note aims to outline the differences between the two devices and their
datasheets, but there is also a detailed change log to assist the user at the end of
the ATmega16U2/8U2 datasheet. Remember to always use the latest revision of
the device datasheet.
Minor differences in typical characteristics are not discussed in this document as
long as the low and high limits remain the same. For detailed information about the
typical characteristics, see sections “Electrical Characteristics” and “Typical
Characteristics” of the device datasheets.
Note: This application note serves as a guide to ease migration. For complete
device details, always refer to the most recent version of the
ATmega16U2/8U2 datasheet.
8-bit
Microcontrollers
Application Note
Rev. 8224A-AVR-06/09
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