User`s guide
Firmware Features
AT85C51SND3Bx Firmware User’s Guide 2-5
7691A–MP3–08/07
Stream Information
– synchronized play time
– bit rate
– sampling frequency
– number of channels
Tags
– ID3 v1.0, v1.1
– ID3 v2.2 and v2.3
Stereo volume control
Sound effects:
– bass boost
– spatial sound
Adjustable 3-band EQ
– Classic, Pop, Jazz, Rock…
2.4.2 Configuration DAC Output Selection
– internal
– external
External DAC interface
2.5 Audio Recorder
This module allows the end-user to play and record audio streams.
2.5.1 Features Recording (codec G726)
Input line in and micro
2.5.2 Configuration line in gains (analog & digital)
micro gains (analog & digital)
2.6 Image Viewer
This module allows the end-user to display images.
2.6.1 Features Supported Image Format:
– BMP
– JPEG
Automatic Resize
2.6.2 Configuration None
2.7 Settings
This module allows the user to manage user data in the setting segment located in the
customer or reserved data area of the Nand Flash.