CM6327A
USB Single-Chip Audio Solution for Mono Microphone
6.3 Configuration Descriptors
Offset
Field
Size
Value (Hex)
Description
0
1
2
bLength
1
1
2
09
02
Descriptor length
bDescriptorType
wTotalLength
Configuration descriptor
007f～00dd
Total length of data returned for this configuration
Number of interfaces supported in configuration:
00: Control
4
bNumInterfaces
1
03
02: ISO-IN
03: INT-IN (HID)
5
6
bConfigurationValue
iConfiguration
1
1
01
00
Configuration value
Index of string descriptor describing this
configuration
Bus-powered with remote wakeup support: 8’ha0
(PWRSEL_1 = 1, HID_EN = 1)
a0 or
80 or
e0 or
c0
Bus-powered with no remote wakeup: 8’h80
(PWRSEL_1 = 1, HID_EN = 0)
7
8
bmAttributes
1
1
Self-powered with remote wakeup support: 8’he0
(PWRSEL_1 = 0, HID_EN = 1))
Self-powered with no remote wakeup: 8’hc0
(PWRSEL_1 = 0, HID_EN = 0))
Maximum power consumption from bus = 100mA:
8’h32 (50x2 mA) (PWRSEL_2 = 1)
bMaxPower
32
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