W681307 Datasheet, PDF (147/160 Pages) Winbond – USB1.1 CODEC Microprocessor Control Unit with 32KB Mask ROM and 4KB RAM

W681307
Figure 18-3 The Local Topology of Embedded Descriptors
18.2.3
Configurations and Interfaces
： ^{The configuration and interface settings in W681307 USB are shown in Figure 18-3.}
The descriptions are as follows
Configuration 0 : The default configuration for all usb devices
Interface 0 : The default interface for all usb devices
Configuration 1
Interface 0 : Audio Class Interface
Interface 1 : Audio Class Interface for record mode
Alternate 0 : record off
Alternate 1 : record on
Interface 2 : Audio Class Interface for play mode
Alternate 0 : play off
Alternate 1 : play on
Interface 3 : HID Class Interface for commands/status communications
Interface 4 : Non-Class Interface for USB ISP mode or mass data transfer
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Publication Release Date: May, 2007
Revision 1.3