Datasheet

34. Datasheet Revision History
Please note that the referring page numbers in this section are referred to this document. The referring
revision in this section are referring to the document revision.
34.1. Rev. C – 10/2016
• BTLDR - Boot Loader Support – Read-While-Write Self-Programming: Added information to the
Simple Assembly Code Example for a Boot Loader.
34.2. Rev. B – 08/2016
• Pinout: Updated PDIP pinout, XTAL2 is connected to pin 12 and XTAL1 to pin 13.
• System and Reset Characteristics: Added power-on slope rate (SR
ON
) to Table 29-6.
34.3. Rev. A – 05/2016
Initial Document Release:
Based on the Atmel-8272G-AVR-01/2015 datasheet which was a common datasheet for following 8-bit
AVR microcontrollers: ATmega164A, ATmega164PA, ATmega324A, ATmega324PA, ATmega644A,
ATmega644PA, ATmega1284 and ATmega1284P. The Atmel-8272G-AVR-01/2015 is now split into
separate datasheets for each of these microcontrollers.
Atmel ATmega644A [DATASHEET]
Atmel-42716C-ATmega644A_Datasheet_Complete-10/2016
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