ATMEGA644PV View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

ATMEGA644PV

8-bit Microcontroller with 16K/32K/64K Bytes In-System Programmable Flash

Atmel Corporation 

ATmega164P/324P/644P

9. 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.

9.1 Rev. 8011O- 07/10

1. Corrected use of comma in formula for Rp in Table 25-10, “2-wire Serial Bus Require-

ments,” on page 333

2. Updated document according to Atmel standard

9.2 Rev. 8011N- 10/09

1. Updated Section 6.5 ”Low Frequency Crystal Oscillator” on page 34

2. Added Table 6-8 on page 34.

9.3 Rev. 8011M- 08/09

1. Updated ”Features” on page 1.

2. Removed VFBGA - pinout from ”Pin Configurations” on page 2.

3. Updated ”System Control and Reset” on page 50.

4. Updated Input Hysteresis Unit (V) in the “Typical Characteristics”.

5. Updated ”Ordering Information” on page 420. Removed 44MC and 49C2 packages.

6. Updated ”Packaging Information” on page 423.

9.4 Rev. 8011L- 02/09

1. Updated ”Features” on page 1 by inserting a table note 1.

2. Merged Sections 3.1, 3.2 and 3.3 in one section ”About” on page 9.

3. Updated the front page by removing “Preliminary”.

4. Updated the ”DC Characteristics” on page 326 by removing VIL3/VIH3 and VOL3/VOH3 and

the table note 5.

5. Updated the table note1 of the Table 25-6 on page 332.

6. Updated ”Typical Characteristics” on page 339.

6. Updated ”Typical Characteristics” on page 339

23

8011OS–AVR–07/10

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