AT83SND2CMP3B datasheet(238/241 Pages) ATMEL

238 / 241 page

238

4341F–MP3–03/06

AT8xC51SND2C/MP3B

10.2 Reset Recommendation to Prevent Flash Corruption .......................................... 48

10.3 Idle Mode.............................................................................................................. 49

10.4 Power-down Mode ............................................................................................... 49

10.5 Registers .............................................................................................................. 51

11. Timers/Counters .................................................................................... 52

11.1 Timer/Counter Operations .................................................................................... 52

11.2 Timer Clock Controller.......................................................................................... 52

11.3 Timer 0 ................................................................................................................. 53

11.4 Timer 1 ................................................................................................................. 55

11.5 Interrupt ................................................................................................................ 56

11.6 Registers .............................................................................................................. 57

12. Watchdog Timer ..................................................................................... 60

12.1 Description ........................................................................................................... 60

12.2 Watchdog Clock Controller................................................................................... 60

12.3 Watchdog Operation ............................................................................................ 61

12.4 Registers .............................................................................................................. 62

13. MP3 Decoder .......................................................................................... 63

13.1 Decoder ................................................................................................................ 63

13.2 Audio Controls ...................................................................................................... 65

13.3 Decoding Errors ................................................................................................... 65

13.4 Frame Information ................................................................................................ 66

13.5 Ancillary Data ....................................................................................................... 66

13.6 Interrupt ................................................................................................................ 66

13.7 Registers .............................................................................................................. 69

14. Audio Output Interface .......................................................................... 74

14.1 Description ........................................................................................................... 74

14.2 Clock Generator ................................................................................................... 75

14.3 Data Converter ..................................................................................................... 75

14.4 Audio Buffer.......................................................................................................... 76

14.5 MP3 Buffer ........................................................................................................... 77

14.6 Interrupt Request.................................................................................................. 77

14.7 MP3 Song Playing ................................................................................................ 77

14.8 Registers .............................................................................................................. 78

15. DAC and PA Interface ............................................................................ 81

AT83SND2CMP3B Datasheet(PDF) 238 Page - ATMEL Corporation