Datasheet

429
8011O–AVR–07/10
ATmega164P/324P/644P
32.8 Rev. 8011H- 04/08
32.9 Rev. 8011G- 08/07
32.10 Rev. 8011F- 04/07
32.11 Rev. 8011E - 04/07
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 420.
4. Added 44-lead QFN (44MC) to ”Packaging Information” on page 423.
6. Added 49-ball VFBGA (49C2) to ”Packaging Information” on page 423.
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 388.
11. Updated Figure 26-31 on page 354, Figure on page 355,Figure 26-33 on page 355
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 Char-
acteristics” on page 328.
15. Updated Table 25-7 on page 331 and Table 6-14 on page 37.
1. Updated ”Watchdog Timer Configuration” on page 59.
1. Updated
”GTCCR – General Timer/Counter Control Register” on page 159.
2. Updated ”EECR – The EEPROM Control Register” on page 23.