AT83SND2CMP3 datasheet(95/97 Pages) ATMEL

95 / 97 page

Table of Contents

Features ................................................................................................. 1

Typical Applications ............................................................................. 1

Description ............................................................................................ 2

Block Diagram....................................................................................... 3

Pin Description ...................................................................................... 4

Pinouts ................................................................................................................. 4

Signals................................................................................................................... 5

Internal Pin Structure............................................................................................ 9

Clock Controller .................................................................................. 10

Oscillator ............................................................................................................ 10

PLL ..................................................................................................................... 10

MP3 Decoder ....................................................................................... 12

Decoder .............................................................................................................. 12

Audio Controls ..................................................................................................... 14

Frame Information ............................................................................................... 15

Ancillary Data ..................................................................................................... 15

Audio Output Interface ....................................................................... 16

Description ......................................................................................................... 16

Clock Generator .................................................................................................. 17

Data Converter ................................................................................................... 17

Audio Buffer........................................................................................................ 18

MP3 Buffer ......................................................................................................... 19

Interrupt Request................................................................................................ 19

MP3 Song Playing .............................................................................................. 19

DAC and PA Interface ......................................................................... 21

DAC .................................................................................................................... 21

Power Amplifier ................................................................................................... 39

Audio Supplies and Start-up............................................................................... 40

Universal Serial Bus ........................................................................... 43

Description .......................................................................................................... 44

USB Interrupt System......................................................................................... 49

MultiMedia Card Controller ................................................................ 51

AT83SND2CMP3 Datasheet(PDF) 95 Page - ATMEL Corporation