Datasheet
494
8011Q–AVR–02/2013
ATmega164P/324P/644P
34.5 Rev. 8011L- 02/09
34.6 Rev. 8011K- 09/08
34.7 Rev. 8011J- 09/08
34.8 Rev. 8011I- 05/08
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 – TA = -40°C to 85°C” on page 341
1.
Updated ”Features” on page 1, ”Pin Configurations” on page 2 and ”Ordering Information” on
page 486 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 Characteristics”
on page 325.
5. Replaced the package drawing ”44M1” on page 491 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 489.
1. Updated ATmega644P ”Errata” on page 492.
2. Added 49-ball VFBGA pinout for ATmega164P/324P in ”” on page 3.
6. Added 49-ball VFBGA (49C2) to ”Packaging Information” on page 489.
1. Updated description in ”AVCC” on page 7.
2. Updated ”Stack Pointer” on page 13.
3. Updated Data Memory Map addresses, Figure 5-2 on page 20.
4.
Updated description of use of external capacitors in ”Low Frequency Crystal Oscillator” on page
34.
5. Updated typo in”Alternate Functions of Port C” on page 85.
6. Updated bit description in ”TWSR – TWI Status Register” on page 234.
7. Updated typo in ”Programming via the JTAG Interface” on page 312.