Datasheet

32
8272CS–AVR–06/11
ATmega164A/PA/324A/PA/644A/PA/1284/P
12.3 Rev. 8272A - 01/10
1. Initial revision (Based on ATmega164PA/324PA/644PA/1284P datasheet 8252G-AVR-11/09 and
on ATmega644 datasheet 2593N-AVR-09/09).
2. Changes done:
– Non-picoPower devices added: ATmega164A/324A/644A/1284
– Updated Table 2-1 on page 7
– Updated Table 10-1 on page 42
– Updated ”Sleep Modes” on page 42 and ”BOD Disable
(1)
” on page 43
– Updated ”Register Description” on page 67
– Updated ”USART” on page 174 and ”USART in SPI Mode” on page 201
– Updated ”Signature Bytes” on page 300 and ”Page Size” on page 300
– Added ”DC Characteristics” on page 329 for non-picoPower devices.
– Added ”ATmega164A Typical Characteristics” on page 345
– Added ”ATmega324A Typical Characteristics” on page 397
– Added ”ATmega644A Typical Characteristics” on page 449
– Added ”ATmega1284 Typical Characteristics” on page 501
– Added ”Ordering Information” on page 17 for non-picoPower devices
– Added ”Errata for ATmega164A” on page 30
– Added ”Errata for ATmega324A” on page 30
– Added ”Errata for ATmega644PA” on page 30
– Added ”Errata for ATmega1284” on page 30