C-Media USB2.0 High-Speed True HD Audio Hardware Report

Back to C-Media USB2.0 High-Speed True HD Audio.



Bus 001 Device 005: ID 0d8c:0004 Device Descriptor: bLength               18 bDescriptorType        1 bcdUSB              2.00 bDeviceClass         239 bDeviceSubClass        2 bDeviceProtocol        1 bMaxPacketSize0       64 idVendor          0x0d8c idProduct         0x0004 bcdDevice           2.08 iManufacturer          1 C-Media Electronics Inc.  iProduct                2 USB2.0 High-Speed True HD Audio iSerial                0 bNumConfigurations     1 Configuration Descriptor: bLength                9 bDescriptorType        2 wTotalLength         298 bNumInterfaces         3 bConfigurationValue    1 iConfiguration         0 bmAttributes        0xc0 Self Powered MaxPower             100mA Interface Association: bLength                8 bDescriptorType       11 bFirstInterface        0 bInterfaceCount        2 bFunctionClass         1 bFunctionSubClass      0 bFunctionProtocol     32 iFunction              0 Interface Descriptor: bLength                9 bDescriptorType        4 bInterfaceNumber       0 bAlternateSetting      0 bNumEndpoints          1 bInterfaceClass        1 bInterfaceSubClass     1 bInterfaceProtocol    32 iInterface             0 AudioControl Interface Descriptor: bLength                9 bDescriptorType       36 bDescriptorSubtype     1 (HEADER) bcdADC              2.00 bCategory             10 wTotalLength         256 bmControl           0x00 AudioControl Interface Descriptor: bLength               17 bDescriptorType       36 bDescriptorSubtype     2 (INPUT_TERMINAL) bTerminalID            1 wTerminalType     0x0101 bAssocTerminal         0 bCSourceID            18 bNrChannels            0 bmChannelConfig  0x00000000 bmControls   0x0040 Cluster Control (read-only) iChannelNames          0 iTerminal              0 AudioControl Interface Descriptor: bLength               12 bDescriptorType       36 bDescriptorSubtype     3 (OUTPUT_TERMINAL) bTerminalID            7 wTerminalType     0x0301 bAssocTerminal         0 bSourceID             13 bCSourceID            18 bmControls        0x0004 Connector Control (read-only) iTerminal              0 AudioControl Interface Descriptor: bLength               18 bDescriptorType       36 bDescriptorSubtype     6 (FEATURE_UNIT) bUnitID               13 bSourceID              1 bmaControls( 0)     0x00000003 Mute Control (read/write) bmaControls( 1)     0x00000000 bmaControls( 2)     0x00000000 iFeature               0 AudioControl Interface Descriptor: bLength                8 bDescriptorType       36 bDescriptorSubtype    10 (CLOCK_SOURCE) bClockID              18 bmAttributes        0x03 Internal programmable Clock bmControls          0x07 Clock Frequency Control (read/write) Clock Validity Control (read-only) bAssocTerminal         0 iClockSource           0 Endpoint Descriptor: bLength                7 bDescriptorType        5 bEndpointAddress    0x8f  EP 15 IN        bmAttributes            3 Transfer Type           Interrupt Synch Type              None Usage Type              Data wMaxPacketSize    0x0006  1x 6 bytes bInterval              4 Interface Descriptor: bLength                9 bDescriptorType        4 bInterfaceNumber       1 bAlternateSetting      0 bNumEndpoints          0 bInterfaceClass        1 bInterfaceSubClass     2 bInterfaceProtocol    32 iInterface             4 Speaker Interface Descriptor: bLength                9 bDescriptorType        4 bInterfaceNumber       1 bAlternateSetting      1 bNumEndpoints          2 bInterfaceClass        1 bInterfaceSubClass     2 bInterfaceProtocol    32 iInterface             0 AudioStreaming Interface Descriptor: bLength               16 bDescriptorType       36 bDescriptorSubtype     1 (AS_GENERAL) bTerminalLink          1 bmControls          0x05 Active Alternate Setting Control (read-only) Valid Alternate Setting Control (read-only) bFormatType            1 bmFormats              1 PCM bNrChannels            2 bmChannelConfig  0x00000003 Front Left (FL) Front Right (FR) iChannelNames          0 AudioStreaming Interface Descriptor: bLength                6 bDescriptorType       36 bDescriptorSubtype     2 (FORMAT_TYPE) bFormatType            1 (FORMAT_TYPE_I) bSubslotSize           2 bBitResolution        16 Endpoint Descriptor: bLength                7 bDescriptorType        5 bEndpointAddress    0x05  EP 5 OUT bmAttributes           5 Transfer Type           Isochronous Synch Type              Asynchronous Usage Type              Data wMaxPacketSize    0x00c8  1x 200 bytes bInterval              1 AudioControl Endpoint Descriptor: bLength                8 bDescriptorType       37 bDescriptorSubtype     1 (EP_GENERAL) bmAttributes        0x00 bmControls          0x00 bLockDelayUnits        0 Undefined wLockDelay             0 Endpoint Descriptor: bLength                7 bDescriptorType        5 bEndpointAddress    0x85  EP 5 IN        bmAttributes           17 Transfer Type           Isochronous Synch Type              None Usage Type              Feedback wMaxPacketSize    0x0004  1x 4 bytes bInterval              4 Interface Descriptor: bLength                9 bDescriptorType        4 bInterfaceNumber       1 bAlternateSetting      2 bNumEndpoints          2 bInterfaceClass        1 bInterfaceSubClass     2 bInterfaceProtocol    32 iInterface             0 AudioStreaming Interface Descriptor: bLength               16 bDescriptorType       36 bDescriptorSubtype     1 (AS_GENERAL) bTerminalLink          1 bmControls          0x05 Active Alternate Setting Control (read-only) Valid Alternate Setting Control (read-only) bFormatType            1 bmFormats              1 PCM bNrChannels            2 bmChannelConfig  0x00000003 Front Left (FL) Front Right (FR) iChannelNames          0 AudioStreaming Interface Descriptor: bLength                6 bDescriptorType       36 bDescriptorSubtype     2 (FORMAT_TYPE) bFormatType            1 (FORMAT_TYPE_I) bSubslotSize           3 bBitResolution        24 Endpoint Descriptor: bLength                7 bDescriptorType        5 bEndpointAddress    0x05  EP 5 OUT bmAttributes           5 Transfer Type           Isochronous Synch Type              Asynchronous Usage Type              Data wMaxPacketSize    0x012c  1x 300 bytes bInterval              1 AudioControl Endpoint Descriptor: bLength                8 bDescriptorType       37 bDescriptorSubtype     1 (EP_GENERAL) bmAttributes        0x00 bmControls          0x00 bLockDelayUnits        0 Undefined wLockDelay             0 Endpoint Descriptor: bLength                7 bDescriptorType        5 bEndpointAddress    0x85  EP 5 IN        bmAttributes           17 Transfer Type           Isochronous Synch Type              None Usage Type              Feedback wMaxPacketSize    0x0004  1x 4 bytes bInterval              4 Interface Descriptor: bLength                9 bDescriptorType        4 bInterfaceNumber       1 bAlternateSetting      3 bNumEndpoints          2 bInterfaceClass        1 bInterfaceSubClass     2 bInterfaceProtocol    32 iInterface             0 AudioStreaming Interface Descriptor: bLength               16 bDescriptorType       36 bDescriptorSubtype     1 (AS_GENERAL) bTerminalLink          1 bmControls          0x05 Active Alternate Setting Control (read-only) Valid Alternate Setting Control (read-only) bFormatType            1 bmFormats              1 PCM bNrChannels            2 bmChannelConfig  0x00000003 Front Left (FL) Front Right (FR) iChannelNames          0 AudioStreaming Interface Descriptor: bLength                6 bDescriptorType       36 bDescriptorSubtype     2 (FORMAT_TYPE) bFormatType            1 (FORMAT_TYPE_I) bSubslotSize           4 bBitResolution        32 Endpoint Descriptor: bLength                7 bDescriptorType        5 bEndpointAddress    0x05  EP 5 OUT bmAttributes           5 Transfer Type           Isochronous Synch Type              Asynchronous Usage Type              Data wMaxPacketSize    0x0190  1x 400 bytes bInterval              1 AudioControl Endpoint Descriptor: bLength                8 bDescriptorType       37 bDescriptorSubtype     1 (EP_GENERAL) bmAttributes        0x00 bmControls          0x00 bLockDelayUnits        0 Undefined wLockDelay             0 Endpoint Descriptor: bLength                7 bDescriptorType        5 bEndpointAddress    0x85  EP 5 IN        bmAttributes           17 Transfer Type           Isochronous Synch Type              None Usage Type              Feedback wMaxPacketSize    0x0004  1x 4 bytes bInterval              4 Interface Association: bLength                8 bDescriptorType       11 bFirstInterface        2 bInterfaceCount        1 bFunctionClass         3 bFunctionSubClass      0 bFunctionProtocol      0 iFunction              0 Interface Descriptor: bLength                9 bDescriptorType        4 bInterfaceNumber       2 bAlternateSetting      0 bNumEndpoints          1 bInterfaceClass        3 bInterfaceSubClass     0 bInterfaceProtocol     0 iInterface             0 HID Device Descriptor: bLength                9 bDescriptorType       33 bcdHID              1.00 bCountryCode           0 Unknown bNumDescriptors        1 bDescriptorType       34 (null) wDescriptorLength     50 Report Descriptor: (length is 50) Item(Global): (null), data= [ 0x0c ] 12 (null) Item(Local ): (null), data= [ 0x01 ] 1 (null) Item(Main ): (null), data= [ 0x01 ] 1 Application Item(Global): (null), data= [ 0x00 ] 0 Item(Global): (null), data= [ 0x01 ] 1 Item(Local ): (null), data= [ 0xe9 ] 233 (null) Item(Local ): (null), data= [ 0xea ] 234 (null) Item(Global): (null), data= [ 0x01 ] 1 Item(Global): (null), data= [ 0x02 ] 2 Item(Main ): (null), data= [ 0x02 ] 2 Data Variable Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Local ): (null), data= [ 0xe2 ] 226 (null) Item(Local ): (null), data= [ 0x00 ] 0 (null) Item(Main ): (null), data= [ 0x06 ] 6 Data Variable Relative No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Local ): (null), data= [ 0x00 ] 0 (null) Item(Global): (null), data= [ 0x04 ] 4 Item(Main ): (null), data= [ 0x02 ] 2 Data Variable Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Global): (null), data= [ 0xff 0x00 ] 255 Item(Local ): (null), data= [ 0x00 ] 0 (null) Item(Global): (null), data= [ 0x08 ] 8 Item(Global): (null), data= [ 0x0f ] 15 Item(Main ): (null), data= [ 0x02 ] 2 Data Variable Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Local ): (null), data= [ 0x00 ] 0 (null) Item(Global): (null), data= [ 0x10 ] 16 Item(Main ): (null), data= [ 0x02 ] 2 Data Variable Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Main ): (null), data=none Endpoint Descriptor: bLength                7 bDescriptorType        5 bEndpointAddress    0x84  EP 4 IN        bmAttributes            3 Transfer Type           Interrupt Synch Type              None Usage Type              Data wMaxPacketSize    0x0010  1x 16 bytes bInterval              4 Device Qualifier (for other device speed): bLength               10 bDescriptorType        6 bcdUSB              2.00 bDeviceClass         239 bDeviceSubClass        2 bDeviceProtocol        1 bMaxPacketSize0       64 bNumConfigurations     1 Device Status:    0x0001 Self Powered

