Datasheet
495
8011Q–AVR–02/2013
ATmega164P/324P/644P
34.9 Rev. 8011H- 04/08
34.10 Rev. 8011G- 08/07
8. Updated conditions for V
OL
in the table of ”DC Characteristics” on page 325.
9. Updated ”External Clock Drive” on page 330.
10.
Updated conditions for V
INT2
in Table 25-11 (Single Ended channels) in ”ADC Characteristics” on
page 335.
11.
Updated Minimum Reference Voltage in Table 25-12 (Differential channels) in ”ADC
Characteristics” on page 335.
12. Updated bit field typos in ”Register Summary” on page 479.
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. Added 44-pad DRQFN pinout for ATmega164P in ”Pinout - DRQFN” on page 3.
2. Added 49-ball VFBGA pinout for ATmega164P/324P in ”” on page 3.
2. Added note to ”Address Match Unit” on page 214.
3. Updated ATmega164P ”Ordering Information” on page 486.
4. Added 44-lead QFN (44MC) to ”Packaging Information” on page 489.
6. Added 49-ball VFBGA (49C2) to ”Packaging Information” on page 489.
1. Updated ”Features” on page 1
2. Added ”Data Retention” on page 8.
3. Updated ”SPH and SPL – Stack Pointer High and Stack pointer Low” on page 14.
4. LCD reference removed from table note in ”Sleep Modes” on page 42.
5. Updated code example in ”Bit 0 – IVCE: Interrupt Vector Change Enable” on page 65.
6. Removed reference to External Memory Interface in ”Alternate Functions of Port A” on page 80.
7. Updated ”Data Reception – The USART Receiver” on page 180.
8. Updated ”ADCSRB – ADC Control and Status Register B” on page 238.
9. Updated overview in ”ADC - Analog-to-digital Converter” on page 240.
10. Added ”ATmega644P Typical Characteristic” on page 391.
11. Updated Figure 27-31 on page 357, Figure on page 358,Figure 27-33 on page 358
12.
Updated notes in Table 6-3 on page 32.Table 6-9 on page 35, Table 6-10 on page 36, and Table
6-12 on page 37.
13.
Updated Table 11-7 on page 84, Table 11-8 on page 84, Table 11-10 on page 86, Table 11-11
on page 87, Table 11-14 on page 90, Table 25-1 on page 327
,Table 25-2 on page 327,Table 27-
5 on page 331, Table 25-9 on page 332, and Table 25-12 on page 336
14.
Updated ”ATmega324P DC Characteristics” on page 327 and ”ATmega644P DC Characteristics”
on page 328.
15. Updated Table 25-7 on page 331 and Table 6-14 on page 37.