ATmega644PA datasheet(460/468 Pages) ATMEL

460 / 468 page

460

8152G–AVR–11/09

ATmega164PA/324PA/644PA/1284P

34.5

Rev. 8152C- 07/09

34.6

Rev. 8152B- 02/09

34.7

Rev. 8152A- 11/08

Updated ”Features” on page 1 by inserting ATmega644PA device and updated the whole

datasheet accordingly.

Updated ”Overview” on page 5.

Inserted ”Comparison Between ATmega164PA, ATmega324PA and ATmega644PA” on page 6.

Updated “AVR Memories” section included all register description.

Inserted ”ATmega644PA Boot Loader Parameters” on page 291.

Updated “Memory Programming” section included “Device and JTAG ID” and “Page Size” .

Inserted ”ATmega644PA DC Characteristics” on page 329.

Inserted ”ATmega644PA Typical Characteristics” on page 390.

Updated ”Ordering Information” on page 422

10.

Updated ”Errata” on page 430.

Updated ”Features” on page 1 by inserting ATmega164PA device and updated the whole

datasheet accordingly.

Updated ”Overview” on page 5.

Inserted ”Comparison Between ATmega164PA and ATmega324PA” on page 6.

Updated all resgister description in ”AVR CPU Core” on page 10.

Updated “AVR Memories” section included all register description.

Updated ”Calibrated Internal RC Oscillator” on page 37.

Inserted ”ATmega324PA Boot Loader Parameters” on page 289.

Updated “Memory Programming” section included “Device and JTAG ID” and “Page Size” .

Inserted ”ATmega324PA DC Characteristics” on page 327.

10.

Inserted ”ATmega324PA Typical Characteristics” on page 339.

11.

Inserted “ATmega324PA” Ordering Information.

12.

Updated ”Errata” on page 402.

Initial revision (Based on the ATmega164P/324P/644P datasheet 8011K-AVR-09/08).

Changes done compared to ATmega164P/324P/644P datasheet 8011K-AVR-09/08:

– New graphics in ”Typical Characteristics” on page 338

–New ”Ordering Information” on page 422

ATmega644PA Datasheet(PDF) 460 Page - ATMEL Corporation