Specifications

Table of Contents
96
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