Datasheet

vi
ATmega640/1280/1281/2560/2561
2549K–AVR–01/07
Standby Supply Current.................................................................................... 399
Pin Pull-up ........................................................................................................ 399
Pin Driver Strength ........................................................................................... 402
Pin Threshold and Hysteresis........................................................................... 404
BOD Threshold and Analog Comparator Offset ............................................... 407
Internal Oscillator Speed .................................................................................. 409
Current Consumption of Peripheral Units ......................................................... 411
Current Consumption in Reset and Reset Pulsewidth...................................... 414
Register Summary ........................................................................... 416
Instruction Set Summary ................................................................ 421
Ordering Information....................................................................... 424
ATmega640 ...................................................................................................... 424
ATmega1281 .................................................................................................... 425
ATmega1280 .................................................................................................... 426
ATmega2561 .................................................................................................... 427
ATmega2560 .................................................................................................... 428
Packaging Information .................................................................... 429
100A ................................................................................................................. 429
100C1 ............................................................................................................... 430
.......................................................................................................................... 430
64A ................................................................................................................... 431
64M2................................................................................................................. 432
Errata ................................................................................................ 433
ATmega640 rev. A............................................................................................ 433
ATmega1280 rev. A.......................................................................................... 433
ATmega1281 rev. A.......................................................................................... 434
ATmega2560 rev. E.......................................................................................... 434
ATmega2560 rev. D.......................................................................................... 434
ATmega2560 rev. C.......................................................................................... 434
ATmega2560 rev. B.......................................................................................... 434
ATmega2560 rev. A.......................................................................................... 435
ATmega2561 rev. E.......................................................................................... 436
ATmega2561 rev. D.......................................................................................... 436
ATmega2561 rev. C.......................................................................................... 436
ATmega2561 rev. B.......................................................................................... 436
ATmega2561 rev. A.......................................................................................... 436
Datasheet Revision History ............................................................ 438
Rev. 2549K-01/07............................................................................................. 438
Rev. 2549J-09/06 ............................................................................................. 438
Rev. 2549I-07/06 .............................................................................................. 438