w681308 Winbond Electronics Corp America, w681308 Datasheet - Page 54

• Manufacturer Part Number: w681308
• Description: Usb Audio Controller
• Manufacturer: Winbond Electronics Corp America

19.2.2
The referenced descriptors are stored in the 512x8 Bit RAM, programmed by MCU. The address mapping and bank
definition of this RAM are shown in
Descriptor RAM
0x2012~0x217F
0x2140~0x214F
0x2
0x2
0x217
0x21
0x2000~0x2011
150~0x21
160~0x21
Address
80~0x21F
0~0x
217F
18-2.
5F
6F
F
Table 13 USB Descriptor RAM Definitions
Device Descriptor
Configuration Descriptor
Interface Descriptor
Endpoint Descriptor
Audio Class Descriptor
HID Descriptor
String Descriptor Index 0
String Descriptor Index 1
String De
String De
Report Descriptor
XXXX PRODUCT DESCRIPTION
scrip
scrip
54
Function
tor Index 2
tor Index 3
366 Bytes
128 Bytes
18 Bytes
16 Bytes
16 Bytes
16
1
6 Bytes
Size
Bytes
W681308
Rev1.2