CY7C656XX_11 Datasheet, PDF (18/28 Pages) Cypress Semiconductor – EZ-USB HX2LP™ Low Power USB 2.0 Hub Controller Family

CY7C656xx
Hub Class Commands
Table 6. Hub Class Requests
Request
GetHubStatus
GetPortStatus
ClearHubFeature
ClearPortFeature
ClearPortFeature
SetHubFeature
SetPortFeature
SetPortFeature
bmRequestType bRequest
wValue
wIndex wLength
Data
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)
10100011B
00100000B
00100011B
00100011B
00100000B
00100011B
00100011B
0x00
0x01
0x01
0x01
0x03
0x03
0x03
0x0000
Byte 0: 0x00 0x0004
Byte 1: Port
Feature selectors^[8] 0x0000
0x0000
0 or 1
Feature selectors^[8] Byte 0: 0x00 0x0000
1, 2, 8, 16, 17, 18, 19, Byte 1: Port
or 20
Feature selectors^[8] Byte 0: -
0x0000
22
Byte 1: Port
(PORT_INDICATOR)
Feature selector^[8] 0x0000
0 or 1
0x0000
Feature selectors^[8] Port
0x0000
2, 4 or 8
Feature selector^[8] Byte 0:
0x0000
21
selectors^[8]
(PORT_TEST)
1,2, 3, 4 or 5
Byte 1: Port
Port status (See Table 11-21
of USB 2.0 Specifications)
Change status (See Table
11-20 of USB 2.0
specifications)
None
None
None
None
None
SetPortFeature
00100011B
GetHubDescriptor 10100000B
ClearTTBuffer
ResetTT
GetTTState
StopTT
00100011B
00100000B
10100011B
00100011B
0x03
0x06
0x08
0x09
0X0A
0x0B
Feature selector^[8] Byte 0:
0x0000
22
selectors^[9] 0,
(PORT_INDICATOR) 1, 2, or 3 Byte
1: Port
None
Descriptor type and
descriptor index
Hub
descriptor
length
Dev_Addr, EP_Num TT_Port
0x0000 None
0x0000
Byte 0: 0x00 0x0000 None
Byte 1: Port
TT_Flags
Byte 0: 0x00 TT state TT state
Byte 1: Port length
0x0000
Byte 0: 0x00 0x0000 None
Byte 1: Port
Notes
8. Selector values for different features are presented in Table 7 on page 19.
9. Selector values for different features are presented in Table 9 on page 19.
Document Number: 38-08037 Rev. *S
Page 18 of 28
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