Datasheet

572
8272A–AVR–01/10
164A/164PA/324A/324PA/644A/644PA/1284/1284P
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. 8272A - 01/10
1. Initial revision (Based on the ATmega164PA/324PA/644PA/1284P datasheet 8252G-AVR-11/09
and on the ATmega644 datasheet 2593N-AVR-09/09).
2. Changes done:
– Non-picoPower devices added: ATmega164A/324A/644A/1284
– Updated Table 2-1 on page 6
– Updated Table 9-1 on page 43
– Updated ”Sleep Modes” on page 43 and ”BOD Disable
(1)
” on page 44
– Updated ”Register Description” on page 68
– Updated ”USART” on page 172 and ”USART in SPI Mode” on page 199
– Updated ”Signature Bytes” on page 298 and ”Page Size” on page 298
– Added ”DC Characteristics” on page 327 for non-picoPower devices.
– Added ”ATmega164A Typical Characteristics” on page 343
– Added ”ATmega324A Typical Characteristics” on page 395
– Added ”ATmega644A Typical Characteristics” on page 447
– Added ”ATmega1284 Typical Characteristics” on page 499
– Added ”Ordering Information” on page 558 for non-picoPower devices
– Added ”Errata for ATmega164A” on page 571
– Added ”Errata for ATmega324A” on page 571
– Added ”Errata for ATmega644PA” on page 571
– Added ”Errata for ATmega1284” on page 571