ATMEGA324P datasheet(25/28 Pages) ATMEL

25 / 28 page

8011OS–AVR–07/10

ATmega164P/324P/644P

9.8

Rev. 8011H- 04/08

9.9

Rev. 8011G- 08/07

9.10

Rev. 8011F- 04/07

9.11

Rev. 8011E - 04/07

Added 44-pad DRQFN pinout for ATmega164P in ”Pinout - DRQFN” on page 3.

Added 49-ball VFBGA pinout for ATmega164P/324P in ”Pinout - VFBGA” on page 4.

Added note to ”Address Match Unit” on page 215.

Updated ATmega164P ”Ordering Information” on page 421.

Added 44-lead QFN (44MC) to ”Packaging Information” on page 424.

Added 49-ball VFBGA (49C2) to ”Packaging Information” on page 425.

Updated ”Features” on page 1

Added ”Data Retention” on page 9.

Updated ”SPH and SPL – Stack Pointer High and Stack pointer Low” on page 15.

LCD reference removed from table note in ”Sleep Modes” on page 43.

Updated code example in ”Bit 0 – IVCE: Interrupt Vector Change Enable” on page 66.

Removed reference to External Memory Interface in ”Alternate Functions of Port A” on

page 81.

Updated ”Data Reception – The USART Receiver” on page 181.

Updated ”ADCSRB – ADC Control and Status Register B” on page 239.

Updated overview in ”ADC - Analog-to-digital Converter” on page 241.

10.

Added ”ATmega644P Typical Characteristic” on page 389.

11.

Updated Figure 28-31 on page 355, Figure 28-32 on page 356,Figure 28-33 on page

356

12.

Updated notes in Table 8-3 on page 33.Table 8-8 on page 36, Table 8-9 on page 37,

and Table 8-11 on page 38.

13.

Updated Table 13-7 on page 85, Table 13-8 on page 85, Table 13-10 on page 87,

Table 13-11 on page 88, Table 13-14 on page 91, Table 27-1 on page 328,Table 27-2

on page 328,Table 27-5 on page 331, Table 27-9 on page 333, and Table 27-12 on

page 337

14.

Updated ”ATmega324P DC Characteristics” on page 328 and ”ATmega644P DC Char-

acteristics” on page 329.

15.

Updated Table 27-7 on page 332 and Table 8-13 on page 38.

Updated ”Watchdog Timer Configuration” on page 60.

Updated ”GTCCR – General Timer/Counter Control Register” on page 160.

Updated ”EECR – The EEPROM Control Register” on page 24.

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