B |
02/2018 |
- 1.Explanations
in the Digital Supply section were improved.
- 2.Obsolete
section on Noise Implications was removed.
|
A |
08/2017 |
- 1.Chapter
“Unused XTAL Pins” is added.
- 2.A note for
the Example Layout has been added.
- 3.New document
template. Microchip DS00002519A replaces Atmel 2521S.
|
2521R |
09/2016 |
- 1.The filename
and the document number in part of this revision history
have been corrected.
- 2.Trademark
corrections.
- 3.Some minor
corrections in the text.
|
2521Q |
06/2016 |
- 1.General
improvement of descriptions.
- 2.Added example
layout for ATmega324PB device.
|
2521P |
10/2015 |
Updated the following sections:
- 1.About Crystals and Ceramic Resonators
- 2.Recommended Capacitor Values
|
2521O |
09/2015 |
Corrected the figure Example Layout. |
2521N |
06/2015 |
Added Noise Implications. |
2521M |
09/2014 |
Fixed some typos in External RESET Switch. |
2521L |
07/2013 |
- 1.Updated Figure 2.
- 2.General
improvements in regards of descriptions.
|