Contents

Introduction AVR® DB Family Overview 1.1. Memory Overview 1.2. Peripheral Overview Features 1. Block Diagram 2. Pinout 2.1. 28-pin SSOP, SOIC and SPDIP 2.2. 32-pin VQFN and TQFP 2.3. 48-pin VQFN and TQFP 2.4. 64-pin VQFN and TQFP 3. I/O Multiplexing and Considerations 3.1. I/O Multiplexing 4. Product Brief Revision History 4.1. Revision History The Microchip Website Product Change Notification Service Customer Support Product Identification System Microchip Devices Code Protection Feature Legal Notice Trademarks Quality Management System Worldwide Sales and Service