User`s guide

Firmware Features
2-4 AT85C51SND3Bx Firmware User’s Guide
7691A–MP3–08/07
2.2.2 Configuration  Connection Speed
– authorize high or full speed (depending on the host)
– authorize only full speed
 enable/disable USB Class used (Mass Storage, HID, CDC)
 USB device information (vendor ID, product ID, manufacturer name, ...)
– product name
– serial number
 Class description (Class name, ...)
 enable/disable Disk Password Management (for Mass Storage Class)
2.3 Host USB This module is the USB host driver.
2.3.1 Features  Reduced host implementation
 USB 2.0 full speed transfer with USB device
 USB class provide:
– HUB
– Mass-storage (e.g. Udisk, multi-card reader)
– HID
– CDC
2.3.2 Configuration  enable/disable USB class supported
2.4 Audio Player This module allows the end-user to play some audio stream.
2.4.1 Features  Audio stream
– MP1, MP2, MP3
– WMA
– WAV (PCM, G711, G726)
 Stream management
– play
– pause
– stop
– next track
– previous track
– fast Forward
– fast Rewind
– repeat A/B
– speed Adjust (MP1, MP2, MP3 only)