Datasheet

427
8011O–AVR–07/10
ATmega164P/324P/644P
32. 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.
32.1 Rev. 8011O- 07/10
32.2 Rev. 8011N- 10/09
32.3 Rev. 8011M- 08/09
32.4 Rev. 8011L- 02/09
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
1. Updated Section 6.5 ”Low Frequency Crystal Oscillator” on page 34
2. Added Table 6-8 on page 34.
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.
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 8.
3. Updated the front page by removing “Preliminary”.
4. Updated the ”DC Characteristics” on page 325 by removing
V
IL3
/V
IH3
and V
OL3
/V
OH3
and
the table note 5.
5. Updated the table note1 of the Table 25-6 on page 331.
6. Updated ”Typical Characteristics” on page 338