Specifications
CY7C65620
CY7C65630
Document Number: 38-08037 Rev. AB Page 19 of 32
Hub Class Commands
Table 6. Hub Class Requests
Request bmRequestType bRequest wValue wIndex wLength Data
GetHubStatus 10100000B 0x00 0x0000 0x0000 0x0004
Hub status (See Table 11-19 of
USB 2.0 Specifications) Change
status (See Table 11-20 of USB 2.0
specifications)
GetPortStatus 10100011B 0x00 0x0000
Byte 0: 0x00
Byte 1: Port
0x0004
Port status (See Table 11-21 of
USB 2.0 Specifications) Change
status (See Table 11-20 of USB 2.0
specifications)
ClearHubFeature 00100000B 0x01
Feature selectors
[8]
0 or 1
0x0000 0x0000 None
ClearPortFeature 00100011B 0x01
Feature selectors
[8]
1, 2, 8, 16, 17, 18, 19,
or 20
Byte 0: 0x00
Byte 1: Port
0x0000 None
ClearPortFeature 00100011B 0x01
Feature selectors
[8]
22
(PORT_INDICATOR)
Byte 0: -
Byte 1: Port
0x0000 None
SetHubFeature 00100000B 0x03
Feature selector
[8]
0 or 1
0x0000 0x0000 None
SetPortFeature 00100011B 0x03
Feature selectors
[8]
2, 4 or 8
Port 0x0000 None
SetPortFeature 00100011B 0x03
Feature selector
[8]
21
(PORT_TEST)
Byte 0:
selectors
[8]
1,2, 3, 4 or 5
Byte 1: Port
0x0000 None
SetPortFeature 00100011B 0x03
Feature selector
[8]
22
(PORT_INDICATOR)
Byte 0:
selectors
[9]
0,
1, 2, or 3 Byte
1: Port
0x0000 None
GetHubDe-
scriptor
10100000B 0x06
Descriptor type and
descriptor index
Zero/
Language ID
Hub
descriptor
length
Descriptor
ClearTTBuffer 00100011B 0x08 Dev_Addr, EP_Num TT_Port 0x0000 None
ResetTT 00100000B 0x09 0x0000
Byte 0: 0x00
Byte 1: Port
0x0000 None
GetTTState 10100011B 0X0A TT_Flags
Byte 0: 0x00
Byte 1: Port
TT state
length
TT state
StopTT 00100011B 0x0B 0x0000
Byte 0: 0x00
Byte 1: Port
0x0000 None
Notes
8. Selector values for different features are presented in Table 7 on page 20.
9. Selector values for different features are presented in Table 9 on page 20.