AT83SND2CMP3B datasheet(240/241 Pages) ATMEL

240 / 241 page

240

4341F–MP3–03/06

AT8xC51SND2C/MP3B

20.1 Mode Selection................................................................................................... 168

20.2 Baud Rate Generator ......................................................................................... 168

20.3 Synchronous Mode (Mode 0) ............................................................................. 169

20.4 Asynchronous Modes (Modes 1, 2 and 3).......................................................... 171

20.5 Multiprocessor Communication (Modes 2 and 3) ............................................... 175

20.6 Automatic Address Recognition ......................................................................... 175

20.7 Interrupt .............................................................................................................. 177

20.8 Registers ............................................................................................................ 178

21. Two-wire Interface (TWI) Controller ................................................... 181

21.1 Description ......................................................................................................... 181

21.2 Registers ............................................................................................................ 195

22. Analog to Digital Converter ................................................................ 199

22.1 Description ......................................................................................................... 199

22.2 Registers ............................................................................................................ 202

23. Keyboard Interface .............................................................................. 204

23.1 Description ......................................................................................................... 204

23.2 Registers ............................................................................................................ 205

24. Electrical Characteristics .................................................................... 207

24.1 Absolute Maximum Rating ................................................................................. 207

24.2 DC Characteristics ............................................................................................. 207

24.3 AC Characteristics.............................................................................................. 219

24.4 SPI Interface....................................................................................................... 224

25. Ordering Information ........................................................................... 234

26. Package Information ............................................................................ 235

26.1 CTBGA100 ......................................................................................................... 235

27. Datasheet Revision History ................................................................ 236

27.1 Changes from 4341A - 10/04 to 4341B - 01/05.................................................. 236

27.2 Changes from 4341B - 01/05 to 4341C - 03/05 ................................................. 236

27.3 Changes from 4341C - 03/05 to 4341D - 04/05 ................................................. 236

27.4 Changes from 4341D - 04/05 to 4341E - 06/05 ................................................. 236

27.5 Changes from 4341E - 06/05 to 4341F - 03/06 .................................................. 236

AT83SND2CMP3B Datasheet(PDF) 240 Page - ATMEL Corporation