Datasheet

Table of Contents
Introduction......................................................................................................................1
Features.......................................................................................................................... 1
1. Description.................................................................................................................5
2. Configuration Summary.............................................................................................6
3. Ordering Information..................................................................................................7
3.1. ATmega48PB............................................................................................................................... 7
3.2. ATmega88PB............................................................................................................................... 7
3.3. ATmega168PB ............................................................................................................................ 8
4. Block Diagram........................................................................................................... 9
5. Pin Configurations................................................................................................... 10
5.1. Pin Descriptions..........................................................................................................................11
6. I/O Multiplexing........................................................................................................14
7. Comparison Between Processors........................................................................... 15
8. Resources............................................................................................................... 16
9. Data Retention.........................................................................................................17
10. About Code Examples.............................................................................................18
11. Capacitive Touch Sensing....................................................................................... 19
11.1. QTouch Library........................................................................................................................... 19
12. Packaging Information.............................................................................................20
12.1. 32-pin 32A..................................................................................................................................20
12.2. 32-pin 32MS1.............................................................................................................................21
13. Errata.......................................................................................................................22
13.1. Errata ATmega48PB.................................................................................................................. 22
13.2. Errata ATmega88PB.................................................................................................................. 23
13.3. Errata ATmega168PB................................................................................................................ 25
The Microchip Web Site................................................................................................ 28
Customer Change Notification Service..........................................................................28
Customer Support......................................................................................................... 28
Product Identification System........................................................................................29
© 2017 Microchip Technology Inc.
Datasheet Summary
DS40001910A-page 3