Datasheet
ATmega164A/PA/324A/PA/644A/PA/1284/P
2018 Microchip Technology Inc. Data Sheet Complete DS40002070A-page 659
37.8 Rev. 8272A - 01/10
10. Updated ”Alternate Functions of Port D” on page 94 to include Timer/Counter3
11. Added ”TCNT3H and TCNT3L –Timer/Counter3” on page 140
12. Added ”OCR3AH and OCR3AL – Output Compare Register3 A” on page 141
13. Added ”OCR3BH and OCR3BL – Output Compare Register3 B” on page 141
14. Added ”TIMSK3 – Timer/Counter3 Interrupt Mask Register” on page 142
15. Updated All “SPI – Serial Peripheral Interface” “Register description” to reflect ATmega1284 and ATmega1284P.
16. Updated ”Addressing the Flash During Self-Programming” on page 282 to include RAMPZ register.
17. Updated Table 27-16 on page 311. t
WD_EEPROM
is 3.6ms instead of 9ms.
18. BODS and BODSE bits denoted as R/W
19. Description of external pin modes below table 16-9 removed.
20. Updated ”Register summary” on page 636 to include Timer/Counter3.
21. Updated the datasheet with Atmel new style guide.
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 15
Updated Table 10-1 on page 50
Updated ”Sleep Modes” on page 50 and ”BOD disable(1)” on page 51
Updated ”Register description” on page 75
Updated ”USART” on page 175 and ”USART in SPI mode” on page 202
Updated ”Signature Bytes” on page 298 and ”Page Size” on page 298
Added ”DC Characteristics” on page 326 for non-picoPower devices.
Added ”ATmega164A typical characteristics - TA = -40°C to 85°C” on page 344
Added ”ATmega324A typical characteristics - TA = -40°C to 85°C” on page 397
Added ”ATmega644A typical characteristics - TA = -40°C to 85°C” on page 449
Added ”ATmega1284 typical characteristics - TA = -40°C to 85°C” on page 501
Added ”Ordering information” on page 643 for non-picoPower devices
Added ”Errata for ATmega164A” on page 656
Added ”Errata for ATmega324A” on page 656
Added ”Errata for ATmega644PA” on page 656
Added ”Errata for ATmega1284” on page 656