Datasheet

429
8011K–AVR–09/08
ATmega164P/324P/644P
34. 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.
34.1 Rev. 8011K- 09/08
34.2 Rev. 8011J- 09/08
34.3 Rev. 8011I- 05/08
1. Updated ”Features” on page 1, ”Pin Configurations” on page 2 and ”Ordering Informa-
tion” on page 421 according to the updated 44M1 package drawing.
2. Updated V
OL
in the table of ”DC Characteristics” on page 326.
3. Updated t
RST
and t
BOD
unites in the table of ”System and Reset Characteristics” on
page 332.
4. Updated typical values for ATmega324P and ATmega644P in the tables of ”DC Char-
acteristics” on page 326.
5. Replaced the package drawing ”44M1” on page 426 by a rev H update.
1. Updated ATmega644P ”Errata” on page 428.
1. Updated description in ”AVCC” on page 7.
2. Updated ”Stack Pointer” on page 14.
3. Updated Data Memory Map addresses, Figure 7-2 on page 21.
4. Updated description of use of external capacitors in ”Low Frequency Crystal Oscillator”
on page 35.
5. Updated typo in”Alternate Functions of Port C” on page 86.
6. Updated bit description in ”TWSR – TWI Status Register” on page 235.
7. Updated typo in ”Programming via the JTAG Interface” on page 313.
8. Updated conditions for V
OL
in the table of ”DC Characteristics” on page 326.
9. Updated ”External Clock Drive” on page 331.
10. Updated conditions for V
INT2
in Table 27-11 (Single Ended channels) in ”ADC Charac-
teristics” on page 336.
11. Updated Minimum Reference Voltage in Table 27-12 (Differential channels) in ”ADC
Characteristics” on page 336.
12. Updated bit field typos in ”Register Summary” on page 414.