Datasheet ATmega64A - Summary (Microchip) - 6

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3. Ordering Information Speed (MHz) Power Supply Ordering Code(2) Package(1) Operational Range
ATmega64A-AU 64A ATmega64A-AUR(3) 64A ATmega64A-MU 64M1 Industrial (-40oC to 85oC) ATmega64A-MUR(3) 64M1 16 2.7 - 5.5V ATmega64A-AN 64A ATmega64A-ANR(3) 64A ATmega64A-MN 64M1 Extended (-40oC to 105oC)(4) ATmega64A-MNR(3) 64M1
Note: 
1. This device can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information and minimum quantities. 2. Pb-free packaging, complies to the European Directive for Restriction of Hazardous Substances (RoHS directive). Also Halide free and fully Green. 3. Tape and Reel 4. See characterization specifications at 105°C
Package Type
64A 64-lead, Thin (1.0mm) Plastic Gull Wing Quad Flat Package (TQFP) 64M1 64-pad, 9 x 9 x 1.0mm body, lead pitch 0.50mm, Quad Flat No-Lead/Micro Lead Frame Package (QFN/MLF) Atmel ATmega64A [DATASHEET] 6 Atmel-8160ES-8-bit AVR Micrcontroller_Datasheet_Summary-09/2015 Document Outline Introduction Features Table of Contents 1. Description 2. Configuration Summary 3. Ordering Information 4. Block Diagram 5. ATmega103 and ATmega64A Compatibility 5.1. ATmega103 Compatibility Mode 6. Pin Configurations 6.1. Pin Descriptions 6.1.1. VCC 6.1.2. GND 6.1.3. Port A (PA7:PA0) 6.1.4. Port B (PB7:PB0) 6.1.5. Port C (PC7:PC0) 6.1.6. Port D (PD7:PD0) 6.1.7. Port E (PE7:PE0) 6.1.8. Port F (PF7:PF0) 6.1.9. Port G (PG4:PG0) 6.1.10. RESET 6.1.11. XTAL1 6.1.12. XTAL2 6.1.13. AVCC 6.1.14. AREF 6.1.15. PEN 7. Resources 8. Data Retention 9. About Code Examples 10. Capacitive Touch Sensing 11. Packaging Information 11.1. 64A 11.2. 64M1 12. Errata 12.1. ATmega64A Rev. D