參數(shù)資料
型號(hào): CY7C65640
廠商: Cypress Semiconductor Corp.
英文描述: TetraHub High-speed USB Hub Controller
中文描述: TetraHub高速USB集線器控制器
文件頁(yè)數(shù): 14/27頁(yè)
文件大小: 675K
代理商: CY7C65640
CY7C65640
Document #: 38-08019 Rev. *E
Page 14 of 27
7.4
Endpoint Descriptor
7.5
Interface Descriptor
[3]
I
7.6
Endpoint Descriptor
[3]
7.7
Device Qualifier Descriptor
Note:
3.
If TetraHub is configured for single-TT only (from the external EEPROM), this descriptor is not present.
Byte
0
1
2
3
4,5
6
Full Speed
0x07
0x05
0x81
0x03
0x0001
0xFF
High Speed
0x07
0x05
0x81
0x03
0x0001
0x0C
Field Name
Description
bLength
bDescriptorType
bEndpointAddress
bmAttributes
wMaxPacketSize
bInterval
7 Bytes
ENDPOINT_DESCRIPTOR
IN Endpoint #1
Interrupt
Maximum Packet Size
Polling Rate
Byte
0
1
2
3
4
5
6
7
8
Full Speed
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
High Speed
0x09
0x04
0x00
0x01
0x01
0x09
0x00
0x02
0x00
Field Name
Description
bLength
bDescriptorType
bInterfaceNumber
bAlternateSetting
bNumEndpoints
bInterfaceClass
bInterfaceSubClass
bInterfaceProtocol
bInterface
9 Bytes
INTERFACE_DESCRIPTOR
Interface Descriptor Index
Alternate Setting for the Interface
Number of Endpoints Defined
Interface Class
Interface Sub-Class
Interface Protocol
Interface String Index
Byte
0
1
2
3
4,5
6
Full Speed
N/A
N/A
N/A
N/A
N/A
N/A
High Speed
0x07
0x05
0x81
0x03
0x0001
0x0C
Field Name
Description
bLength
bDescriptorType
bEndpointAddress
bmAttributes
wMaxPacketSize
bInterval
7 Bytes
ENDPOINT_DESCRIPTOR
IN Endpoint #1
Interrupt
Maximum Packet Size
Polling Rate
Byte
0
1
2,3
4
5
6
7
8
9
Full Speed
0x0A
0x06
0x0200
0x09
0x00
0x02
0x40
0x01
0x00
High Speed
0x0A
0x06
0x0200
0x09
0x00
0x00
0x40
0x01
0x00
Field Name
Description
bLength
bDescriptorType
bcdUSB
bDeviceClass
bDeviceSubClass
bDeviceProtocol
bMaxPacketSize0
bNumConfigurations
bReserved
10 Bytes
DEVICE_QUALIFIER
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