Datasheet
427
8011N–AVR–01/10
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. 8011N- 10/09
32.2 Rev. 8011M- 08/09
32.3 Rev. 8011L- 02/09
32.4 Rev. 8011K- 09/08
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
1. Updated ”Features” on page 1, ”Pin Configurations” on page 2 and ”Ordering Informa-
tion” on page 420 according to the updated 44M1 package drawing.
2. Updated V
OL
in the table of ”DC Characteristics” on page 325.
3. Updated t
RST
and t
BOD
unites in the table of ”System and Reset Characteristics” on
page 331.
4. Updated typical values for ATmega324P and ATmega644P in the tables of ”DC Char-
acteristics” on page 325.
5. Replaced the package drawing ”44M1” on page 425 by a rev H update.
2. Added 49-ball VFBGA pinout for ATmega164P/324P in ”” on page 3.
6. Added 49-ball VFBGA (49C2) to ”Packaging Information” on page 423.