AT90USB646 datasheet(458/459 Pages) ATMEL

458 / 459 page

458

7593H–AVR–11/08

ATmega32U6/AT90USB64/128

31.11 USB Regulator .................................................................................................421

31.12 BOD Levels .....................................................................................................422

31.13 Watchdog Timer Frequency ............................................................................423

31.14 Internal RC Oscillator Frequency ....................................................................424

31.15 Power-On Reset ..............................................................................................425

ATmega32U6 Typical Characteristics ............................................... 428

Instruction Set Summary ..................................................................... 433

Ordering Information ........................................................................... 436

35.1 TQFP64 .............................................................................................................437

35.2 QFN64 ...............................................................................................................439

Errata ..................................................................................................... 441

AT90USB1287/6 Errata. ....................................................................... 441

37.1 AT90USB1287/6 Errata History .........................................................................441

37.2 AT90USB1287/6 First Release .........................................................................441

37.3 AT90USB1287/6 Second Release ....................................................................444

37.4 AT90USB1287/6 Third Release ........................................................................446

AT90USB647/6 Errata. ......................................................................... 447

ATmega32U6 Errata. ............................................................................ 448

Datasheet Revision History for ATmega32U6/AT90USB64/128 ....... 449

40.1 Changes from 7593A to 7593B .........................................................................449

40.2 Changes from 7593B to 7593C .........................................................................449

40.3 Changes from 7593C to 7593D .........................................................................449

40.4 Changes from 7593D to 7593E .........................................................................449

40.5 Changes from 7593E to 7593F .........................................................................449

40.6 Changes from 7593F to 7593G .........................................................................449

40.7 Changes from 7593G to 7593H .........................................................................449

AT90USB646 Datasheet(PDF) 458 Page - ATMEL Corporation