參數(shù)資料
型號(hào): CY7C65640A
廠商: Cypress Semiconductor Corp.
英文描述: TetraHub High-Speed USB Hub Controller(TetraHub高速USB Hub控制器)
中文描述: TetraHub高速USB集線器控制器(TetraHub高速USB集線器控制器)
文件頁(yè)數(shù): 8/21頁(yè)
文件大?。?/td> 513K
代理商: CY7C65640A
CY7C65640A
Document #: 38-08019 Rev. *H
Page 8 of 21
7.2
Configuration Descriptor
7.3
Interface Descriptor
7.4
Endpoint Descriptor
Notes:
1.
2.
This value is reported as 0x19 if the hub is configured in Single-TT mode.
This value is configured through the External EEPROM.
12, 13
14
15
16
17
0x000B
0x00
0x00
0x00
0x01
0x000B
0x00
0x00
0x00
0x01
wbcdDevice
iManufacturer
iProduct
iSerialNumber
bNumConfigurations
DID (overwritten by what is defined in EEPROM)
No manufacturer string supported
No product string supported
No serial string supported
One configuration supported
Byte
Full Speed
High Speed
Field Name
Description
Byte
0
1
2
4
5
6
7
8
Full Speed
0x09
0x02
0x0019
0x01
0x01
0x00
0xE0
0x32
High Speed
0x09
0x02
0x0029
[1]
0x01
0x01
0x00
0xE0
0x32
[2]
Field Name
Description
bLength
bDescriptorType
wTotalLength
bNumInterfaces
bConfigurationValue
iConfiguration
bmAttributes
bMaxPower
9 Bytes
CONFIG_DESCRIPTOR
Length of all other descriptors
1
The configuration to be used
Byte
0
1
2
3
4
5
6
7
8
Full Speed
0x09
0x04
0x00
0x00
0x01
0x09
0x00
0x00
0x00
High Speed
0x09
0x04
0x00
0x00
0x01
0x09
0x00
0x01
0x00
Field Name
Description
bLength
bDescriptorType
bInterfaceNumber
bAlternateSetting
bNumEndpoints
bInterfaceClass
bInterfaceSubClass
bInterfaceProtocol
iInterface
9 Bytes
INTERFACE_DESCRIPTOR
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
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