CM108AH Datasheet, PDF (12/27 Pages) C-Media Electronics – Highly Integrated USB Audio I/O Controller

CM108AH
Highly Integrated USB Audio I/O Controller
7.1.2 Configuration Descriptors
Offset
0
1
2
Field
bLength
bDescriptorType
wTotalLength
4
bNumInterfaces
5
bConfigurationValue
6
iConfiguration
7
bmAttributes
8
bMaxPower
Size Value (Hex)
Description
1
09 Total: 9 bytes
1
02 Configuration descriptor
Total length of data returned for this configuration,
2
programmable by MSEL and MODE pin
Number of interfaces supported by this configuration,
changed by MODE pin:
1
04 or 03
EP0: control interface
EP1: ISO-OUT interface
EP2: ISO-IN interface (optional)
EP3: INT-IN (HID) interface
1
01
1
00
1
A0 or E0 Programmable by PWRSEL
Maximum power consumption of the USB,
2
32 or FA _{programmable by MODE and PWRSEL pins}
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