w681308 Winbond Electronics Corp America, w681308 Datasheet - Page 19

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

0x1807 ~
0x1828 ~
0x1840 ~
Address
0x1832-
0x1834-
0x182F
0x184A
0x184B
0x1809
0x1810
0x1811
0x1830
0x1831
0x1833
0x1835
0x1836
0x1837
0x1838
0x1839
0x1847
0x1848
0x1849
0x1850
USB Interrupt Register
HID Token Information
HID Descriptor Length
Endpoint 4 – Bulk Out
Sampling Frequency
Endpoint 0 – Control
Endpoint 3 – Bulk In
Bulk In FIFO Empty
Endpoint 1 and 2 –
ISO SYNC Speed
Bulk In Final Data
Control Out Data
Control Register
Control Register
HID Control Out
Record Volume
Control In Data
Play Volume
Max Volume
Bulk In Data
Information
ISO In/Out
In/Out
Name
Flag
C
Mode
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
W
W
R
R
R
R
R
R
R
Value At
Reset
XXXX PRODUCT DESCRIPTION
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
19
Set USB Audio Class interrupt enable, status and clear.
Set USB Control in/out Endpoint control
Control in Endpoint Data. Internal FIFO has 1 byte for
Control In transmission. If the 3
to 0x01 or 0x03 (HID set report application), this byte will
be transmitted instead of Control-IN FIFO and Interrupt-
IN FIFO content.
Control Out Endpoint receiving data.
Set ISO In/Out Endpoint control register.
Indicate ISO Sampling Frequency
Indicate Current Record Volume
Indicate Current Play Volume
Indicate First Packet and Valid Length
Indicate Audio Path Max Volume Gain
Set HID Token 3
This register value must be equal to the USB descriptor
with respect to the HID return length
Set ISO SYNC speed tuning parameter register.
Set Bulk In Endpoint control register
Set Bulk In transmission data register except final data.
Set Bulk In transmission final data register.
Indicate Bulk In transmission data FIFO empty flag.
Set Bulk Out Endpoint control register
rd
byte
Function
rd
Token byte is not equal
W681308
Rev1.2