Minggu, Oktober 19, 2008

USBlyzer - A4TechPK52MF properties

USBlyzer output for webcam A4Tech PK-52MF

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Connection Status Device connected
Current Configuration 1
Speed Full
Device Address 1
Number Of Open Pipes 2

Device Descriptor USB2.0 Web Camera
Offset Field Size Value Description
0 bLength 1 12h
1 bDescriptorType 1 01h Device
2 bcdUSB 2 0200h USB Spec 2.0
4 bDeviceClass 1 00h Class info in Ifc Descriptors
5 bDeviceSubClass 1 00h
6 bDeviceProtocol 1 00h
7 bMaxPacketSize0 1 40h 64 bytes
8 idVendor 2 0AC8h Z-Star Microelectronics Corp.
10 idProduct 2 0328h
12 bcdDevice 2 0100h 1.00
14 iManufacturer 1 01h "Vimicro Corp."
15 iProduct 1 02h "USB2.0 Web Camera..."
16 iSerialNumber 1 00h
17 bNumConfigurations 1 01h

Configuration Descriptor 1 Bus Powered, 500 mA
Offset Field Size Value Description
0 bLength 1 09h
1 bDescriptorType 1 02h Configuration
2 wTotalLength 2 0157h
4 bNumInterfaces 1 03h
5 bConfigurationValue 1 01h
6 iConfiguration 1 00h
7 bmAttributes 1 80h Bus Powered
4..0: Reserved ...00000
5: Remote Wakeup ..0..... No
6: Self Powered .0...... No, Bus Powered
7: Reserved (set to one)
(bus-powered for 1.0) 1.......
8 bMaxPower 1 FAh 500 mA

Interface Descriptor 0/0 Vendor-Specific, 2 Endpoints
Offset Field Size Value Description
0 bLength 1 09h
1 bDescriptorType 1 04h Interface
2 bInterfaceNumber 1 00h
3 bAlternateSetting 1 00h
4 bNumEndpoints 1 02h
5 bInterfaceClass 1 FFh Vendor-Specific
6 bInterfaceSubClass 1 00h
7 bInterfaceProtocol 1 00h
8 iInterface 1 00h

Endpoint Descriptor 81 1 In, Interrupt, 7 ms
Offset Field Size Value Description
0 bLength 1 07h
1 bDescriptorType 1 05h Endpoint
2 bEndpointAddress 1 81h 1 In
3 bmAttributes 1 03h Interrupt
1..0: Transfer Type ......11 Interrupt
7..2: Reserved 000000..
4 wMaxPacketSize 2 0008h 8 bytes
6 bInterval 1 07h 7 ms

Endpoint Descriptor 82 2 In, Isochronous, 1 ms
Offset Field Size Value Description
0 bLength 1 07h
1 bDescriptorType 1 05h Endpoint
2 bEndpointAddress 1 82h 2 In
3 bmAttributes 1 01h Isochronous, No Sync, Data
1..0: Transfer Type ......01 Isochronous
3..2: Sync Type ....00.. No Sync
5..4: Usage Type ..00.... Data
7..6: Reserved 00......
4 wMaxPacketSize 2 0000h 0 bytes
6 bInterval 1 01h 1 ms

Interface Descriptor 0/1 Vendor-Specific, 2 Endpoints
Offset Field Size Value Description
0 bLength 1 09h
1 bDescriptorType 1 04h Interface
2 bInterfaceNumber 1 00h
3 bAlternateSetting 1 01h
4 bNumEndpoints 1 02h
5 bInterfaceClass 1 FFh Vendor-Specific
6 bInterfaceSubClass 1 00h
7 bInterfaceProtocol 1 00h
8 iInterface 1 00h

Endpoint Descriptor 81 1 In, Interrupt, 7 ms
Offset Field Size Value Description
0 bLength 1 07h
1 bDescriptorType 1 05h Endpoint
2 bEndpointAddress 1 81h 1 In
3 bmAttributes 1 03h Interrupt
1..0: Transfer Type ......11 Interrupt
7..2: Reserved 000000..
4 wMaxPacketSize 2 0008h 8 bytes
6 bInterval 1 07h 7 ms

Endpoint Descriptor 82 2 In, Isochronous, 1 ms
Offset Field Size Value Description
0 bLength 1 07h
1 bDescriptorType 1 05h Endpoint
2 bEndpointAddress 1 82h 2 In
3 bmAttributes 1 01h Isochronous, No Sync, Data
1..0: Transfer Type ......01 Isochronous
3..2: Sync Type ....00.. No Sync
5..4: Usage Type ..00.... Data
7..6: Reserved 00......
4 wMaxPacketSize 2 0080h 128 bytes
6 bInterval 1 01h 1 ms

Interface Descriptor 0/2 Vendor-Specific, 2 Endpoints
Offset Field Size Value Description
0 bLength 1 09h
1 bDescriptorType 1 04h Interface
2 bInterfaceNumber 1 00h
3 bAlternateSetting 1 02h
4 bNumEndpoints 1 02h
5 bInterfaceClass 1 FFh Vendor-Specific
6 bInterfaceSubClass 1 00h
7 bInterfaceProtocol 1 00h
8 iInterface 1 00h

Endpoint Descriptor 81 1 In, Interrupt, 7 ms
Offset Field Size Value Description
0 bLength 1 07h
1 bDescriptorType 1 05h Endpoint
2 bEndpointAddress 1 81h 1 In
3 bmAttributes 1 03h Interrupt
1..0: Transfer Type ......11 Interrupt
7..2: Reserved 000000..
4 wMaxPacketSize 2 0008h 8 bytes
6 bInterval 1 07h 7 ms

Endpoint Descriptor 82 2 In, Isochronous, 1 ms
Offset Field Size Value Description
0 bLength 1 07h
1 bDescriptorType 1 05h Endpoint
2 bEndpointAddress 1 82h 2 In
3 bmAttributes 1 01h Isochronous, No Sync, Data
1..0: Transfer Type ......01 Isochronous
3..2: Sync Type ....00.. No Sync
5..4: Usage Type ..00.... Data
7..6: Reserved 00......
4 wMaxPacketSize 2 0100h 256 bytes
6 bInterval 1 01h 1 ms

Interface Descriptor 0/3 Vendor-Specific, 2 Endpoints
Offset Field Size Value Description
0 bLength 1 09h
1 bDescriptorType 1 04h Interface
2 bInterfaceNumber 1 00h
3 bAlternateSetting 1 03h
4 bNumEndpoints 1 02h
5 bInterfaceClass 1 FFh Vendor-Specific
6 bInterfaceSubClass 1 00h
7 bInterfaceProtocol 1 00h
8 iInterface 1 00h

Endpoint Descriptor 81 1 In, Interrupt, 7 ms
Offset Field Size Value Description
0 bLength 1 07h
1 bDescriptorType 1 05h Endpoint
2 bEndpointAddress 1 81h 1 In
3 bmAttributes 1 03h Interrupt
1..0: Transfer Type ......11 Interrupt
7..2: Reserved 000000..
4 wMaxPacketSize 2 0008h 8 bytes
6 bInterval 1 07h 7 ms

Endpoint Descriptor 82 2 In, Isochronous, 1 ms
Offset Field Size Value Description
0 bLength 1 07h
1 bDescriptorType 1 05h Endpoint
2 bEndpointAddress 1 82h 2 In
3 bmAttributes 1 01h Isochronous, No Sync, Data
1..0: Transfer Type ......01 Isochronous
3..2: Sync Type ....00.. No Sync
5..4: Usage Type ..00.... Data
7..6: Reserved 00......
4 wMaxPacketSize 2 0180h 384 bytes
6 bInterval 1 01h 1 ms

Interface Descriptor 0/4 Vendor-Specific, 2 Endpoints
Offset Field Size Value Description
0 bLength 1 09h
1 bDescriptorType 1 04h Interface
2 bInterfaceNumber 1 00h
3 bAlternateSetting 1 04h
4 bNumEndpoints 1 02h
5 bInterfaceClass 1 FFh Vendor-Specific
6 bInterfaceSubClass 1 00h
7 bInterfaceProtocol 1 00h
8 iInterface 1 00h

Endpoint Descriptor 81 1 In, Interrupt, 7 ms
Offset Field Size Value Description
0 bLength 1 07h
1 bDescriptorType 1 05h Endpoint
2 bEndpointAddress 1 81h 1 In
3 bmAttributes 1 03h Interrupt
1..0: Transfer Type ......11 Interrupt
7..2: Reserved 000000..
4 wMaxPacketSize 2 0008h 8 bytes
6 bInterval 1 07h 7 ms

Endpoint Descriptor 82 2 In, Isochronous, 1 ms
Offset Field Size Value Description
0 bLength 1 07h
1 bDescriptorType 1 05h Endpoint
2 bEndpointAddress 1 82h 2 In
3 bmAttributes 1 01h Isochronous, No Sync, Data
1..0: Transfer Type ......01 Isochronous
3..2: Sync Type ....00.. No Sync
5..4: Usage Type ..00.... Data
7..6: Reserved 00......
4 wMaxPacketSize 2 0200h 512 bytes
6 bInterval 1 01h 1 ms

Interface Descriptor 0/5 Vendor-Specific, 2 Endpoints
Offset Field Size Value Description
0 bLength 1 09h
1 bDescriptorType 1 04h Interface
2 bInterfaceNumber 1 00h
3 bAlternateSetting 1 05h
4 bNumEndpoints 1 02h
5 bInterfaceClass 1 FFh Vendor-Specific
6 bInterfaceSubClass 1 00h
7 bInterfaceProtocol 1 00h
8 iInterface 1 00h

Endpoint Descriptor 81 1 In, Interrupt, 7 ms
Offset Field Size Value Description
0 bLength 1 07h
1 bDescriptorType 1 05h Endpoint
2 bEndpointAddress 1 81h 1 In
3 bmAttributes 1 03h Interrupt
1..0: Transfer Type ......11 Interrupt
7..2: Reserved 000000..
4 wMaxPacketSize 2 0008h 8 bytes
6 bInterval 1 07h 7 ms

Endpoint Descriptor 82 2 In, Isochronous, 1 ms
Offset Field Size Value Description
0 bLength 1 07h
1 bDescriptorType 1 05h Endpoint
2 bEndpointAddress 1 82h 2 In
3 bmAttributes 1 01h Isochronous, No Sync, Data
1..0: Transfer Type ......01 Isochronous
3..2: Sync Type ....00.. No Sync
5..4: Usage Type ..00.... Data
7..6: Reserved 00......
4 wMaxPacketSize 2 0300h 768 bytes
6 bInterval 1 01h 1 ms

Interface Descriptor 0/6 Vendor-Specific, 2 Endpoints
Offset Field Size Value Description
0 bLength 1 09h
1 bDescriptorType 1 04h Interface
2 bInterfaceNumber 1 00h
3 bAlternateSetting 1 06h
4 bNumEndpoints 1 02h
5 bInterfaceClass 1 FFh Vendor-Specific
6 bInterfaceSubClass 1 00h
7 bInterfaceProtocol 1 00h
8 iInterface 1 00h

Endpoint Descriptor 81 1 In, Interrupt, 7 ms
Offset Field Size Value Description
0 bLength 1 07h
1 bDescriptorType 1 05h Endpoint
2 bEndpointAddress 1 81h 1 In
3 bmAttributes 1 03h Interrupt
1..0: Transfer Type ......11 Interrupt
7..2: Reserved 000000..
4 wMaxPacketSize 2 0008h 8 bytes
6 bInterval 1 07h 7 ms

Endpoint Descriptor 82 2 In, Isochronous, 1 ms
Offset Field Size Value Description
0 bLength 1 07h
1 bDescriptorType 1 05h Endpoint
2 bEndpointAddress 1 82h 2 In
3 bmAttributes 1 01h Isochronous, No Sync, Data
1..0: Transfer Type ......01 Isochronous
3..2: Sync Type ....00.. No Sync
5..4: Usage Type ..00.... Data
7..6: Reserved 00......
4 wMaxPacketSize 2 0380h 896 bytes
6 bInterval 1 01h 1 ms

Interface Descriptor 0/7 Vendor-Specific, 2 Endpoints
Offset Field Size Value Description
0 bLength 1 09h
1 bDescriptorType 1 04h Interface
2 bInterfaceNumber 1 00h
3 bAlternateSetting 1 07h
4 bNumEndpoints 1 02h
5 bInterfaceClass 1 FFh Vendor-Specific
6 bInterfaceSubClass 1 00h
7 bInterfaceProtocol 1 00h
8 iInterface 1 00h

Endpoint Descriptor 81 1 In, Interrupt, 7 ms
Offset Field Size Value Description
0 bLength 1 07h
1 bDescriptorType 1 05h Endpoint
2 bEndpointAddress 1 81h 1 In
3 bmAttributes 1 03h Interrupt
1..0: Transfer Type ......11 Interrupt
7..2: Reserved 000000..
4 wMaxPacketSize 2 0008h 8 bytes
6 bInterval 1 07h 7 ms

Endpoint Descriptor 82 2 In, Isochronous, 1 ms
Offset Field Size Value Description
0 bLength 1 07h
1 bDescriptorType 1 05h Endpoint
2 bEndpointAddress 1 82h 2 In
3 bmAttributes 1 01h Isochronous, No Sync, Data
1..0: Transfer Type ......01 Isochronous
3..2: Sync Type ....00.. No Sync
5..4: Usage Type ..00.... Data
7..6: Reserved 00......
4 wMaxPacketSize 2 03FFh 1023 bytes
6 bInterval 1 01h 1 ms

Interface Descriptor 1/0 Audio, 0 Endpoints
Offset Field Size Value Description
0 bLength 1 09h
1 bDescriptorType 1 04h Interface
2 bInterfaceNumber 1 01h
3 bAlternateSetting 1 00h
4 bNumEndpoints 1 00h
5 bInterfaceClass 1 01h Audio
6 bInterfaceSubClass 1 01h Audio Control
7 bInterfaceProtocol 1 00h
8 iInterface 1 02h "USB2.0 Web Camera..."

Audio Control Interface Header Descriptor
Offset Field Size Value Description
0 bLength 1 09h
1 bDescriptorType 1 24h Audio Control Interface Header
2 7 01 00 01 28 00 01 02

Audio Control Input Terminal Descriptor
Offset Field Size Value Description
0 bLength 1 0Ch
1 bDescriptorType 1 24h Audio Control Input Terminal
2 10 02 01 02 06 00 02 33 00
00 00

Audio Control Feature Unit Descriptor
Offset Field Size Value Description
0 bLength 1 0Ah
1 bDescriptorType 1 24h Audio Control Feature Unit
2 8 06 02 01 01 00 03 03 00

Audio Control Output Terminal Descriptor
Offset Field Size Value Description
0 bLength 1 09h
1 bDescriptorType 1 24h Audio Control Output Terminal
2 7 03 03 01 01 00 02 00

Interface Descriptor 2/0 Audio, 0 Endpoints
Offset Field Size Value Description
0 bLength 1 09h
1 bDescriptorType 1 04h Interface
2 bInterfaceNumber 1 02h
3 bAlternateSetting 1 00h
4 bNumEndpoints 1 00h
5 bInterfaceClass 1 01h Audio
6 bInterfaceSubClass 1 02h Audio Streaming
7 bInterfaceProtocol 1 00h
8 iInterface 1 00h

Interface Descriptor 2/1 Audio, 1 Endpoint
Offset Field Size Value Description
0 bLength 1 09h
1 bDescriptorType 1 04h Interface
2 bInterfaceNumber 1 02h
3 bAlternateSetting 1 01h
4 bNumEndpoints 1 01h
5 bInterfaceClass 1 01h Audio
6 bInterfaceSubClass 1 02h Audio Streaming
7 bInterfaceProtocol 1 00h
8 iInterface 1 00h

Audio Streaming Interface Descriptor
Offset Field Size Value Description
0 bLength 1 07h
1 bDescriptorType 1 24h Audio Streaming Interface
2 5 01 03 01 01 00

Audio Streaming Format Type Descriptor
Offset Field Size Value Description
0 bLength 1 0Eh
1 bDescriptorType 1 24h Audio Streaming Format Type
2 12 02 01 01 02 10 02 40 1F
00 80 3E 00

Endpoint Descriptor 83 3 In, Isochronous, 8 ms
Offset Field Size Value Description
0 bLength 1 09h
1 bDescriptorType 1 05h Endpoint
2 bEndpointAddress 1 83h 3 In
3 bmAttributes 1 01h Isochronous, No Sync, Data
1..0: Transfer Type ......01 Isochronous
3..2: Sync Type ....00.. No Sync
5..4: Usage Type ..00.... Data
7..6: Reserved 00......
4 wMaxPacketSize 2 0062h 98 bytes
6 bInterval 1 04h 8 ms
7 bRefresh 1 00h
8 bSynchAddress 1 00h

Audio Streaming Isochronous Audio Data Endpoint Descriptor
Offset Field Size Value Description
0 bLength 1 07h
1 bDescriptorType 1 25h Audio Streaming Isochronous Audio Data Endpoint
2 5 01 01 00 00 00

Interface Descriptor 2/2 Audio, 1 Endpoint
Offset Field Size Value Description
0 bLength 1 09h
1 bDescriptorType 1 04h Interface
2 bInterfaceNumber 1 02h
3 bAlternateSetting 1 02h
4 bNumEndpoints 1 01h
5 bInterfaceClass 1 01h Audio
6 bInterfaceSubClass 1 02h Audio Streaming
7 bInterfaceProtocol 1 00h
8 iInterface 1 00h

Audio Streaming Interface Descriptor
Offset Field Size Value Description
0 bLength 1 07h
1 bDescriptorType 1 24h Audio Streaming Interface
2 5 01 03 01 01 00

Audio Streaming Format Type Descriptor
Offset Field Size Value Description
0 bLength 1 0Eh
1 bDescriptorType 1 24h Audio Streaming Format Type
2 12 02 01 02 02 10 02 40 1F
00 80 3E 00

Endpoint Descriptor 83 3 In, Isochronous, 8 ms
Offset Field Size Value Description
0 bLength 1 09h
1 bDescriptorType 1 05h Endpoint
2 bEndpointAddress 1 83h 3 In
3 bmAttributes 1 01h Isochronous, No Sync, Data
1..0: Transfer Type ......01 Isochronous
3..2: Sync Type ....00.. No Sync
5..4: Usage Type ..00.... Data
7..6: Reserved 00......
4 wMaxPacketSize 2 00C4h 196 bytes
6 bInterval 1 04h 8 ms
7 bRefresh 1 00h
8 bSynchAddress 1 00h

Audio Streaming Isochronous Audio Data Endpoint Descriptor
Offset Field Size Value Description
0 bLength 1 07h
1 bDescriptorType 1 25h Audio Streaming Isochronous Audio Data Endpoint
2 5 01 01 00 00 00
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