Data Sheet

Table Of Contents
8. Package Drawings...................................................................................................69
8.1. 48-Pin TQFP.............................................................................................................................. 69
8.2. 48-Pin UQFN..............................................................................................................................73
9. Conventions.............................................................................................................77
9.1. Memory Size and Type...............................................................................................................77
9.2. Frequency and Time...................................................................................................................77
10. Data Sheet Revision History....................................................................................78
10.1. Rev.B - 03/2019..........................................................................................................................78
10.2. Rev. A - 02/2018.........................................................................................................................78
The Microchip Web Site................................................................................................ 79
Customer Change Notification Service..........................................................................79
Customer Support......................................................................................................... 79
Product Identification System........................................................................................80
Microchip Devices Code Protection Feature................................................................. 80
Legal Notice...................................................................................................................80
Trademarks................................................................................................................... 81
Quality Management System Certified by DNV.............................................................81
Worldwide Sales and Service........................................................................................82
ATmega809/1609/3209/4809 – 48-pin
© 2019 Microchip Technology Inc.
Datasheet Preliminary
DS40002016B-page 4