GL850 USB 2.0 4-Port HUB Controller
ClearPortFeature
(C_PORT_CONNECTI
ON)
ClearPortFeature
(C_PORT_RESET)
ClearPortFeature
(C_PORT_ENABLE)
ClearPortFeature
(C_PORT_SUSPEND)
ClearPortFeature
(C_PORT_OVER_CU
RRENT)
SetPortFeature
(PORT_TEST:TEST_J)
SetPortFeature
(PORT_TEST:TEST_K
)
SetPortFeature
(PORT_TEST:
TEST_SE0_NAK)
SetPortFeature
(PORT_TEST:
TEST_PACKET)
SetPortFeature
(PORT_TEST:
TEST_FORCE_ENAB
LE)
SetPortFeature
(PORT_INDICATOR)
ClearTTBuffer
00100011b
00100011b
00100011b
00100011b
00100011b
00100011b
00100011b
00100011b
00100011b
00100011b
00100011b
00100011b
01h
0010h
0001h~
0004h
0000h Zero length packet
01h
0014h
0001h~
0004h
0000h Zero length packet
01h
0011h
0001h~
0004h
0000h Zero length packet
01h
0012h
0001h~
0004h
0000h Zero length packet
01h
0013h
0001h~
0004h
0000h Zero length packet
03h
0015h
0101h~
0104h
0000h Zero length packet
03h
0015h
0201h~
0204h
0000h Zero length packet
03h
0015h
0301h~
0304h
0000h Zero length packet
03h
0015h
0401h~
0404h
0000h Zero length packet
03h
0015h
0501h~
0504h
0000h Zero length packet
03h 0016h (Note2) 0000h Zero length packet
08h (Note3) 0001h 0000h Zero length packet
GetTTStatus
10100011B
0Ah 0000h 0001h 08D0h? TT state
ResetTT
00100011b
09h 0000h 0001h 0000h Zero length packet
StopTT
00100011B
0Bh 0000h 0001h 0000h Zero length packet
Note: 1. Hub descriptor is described in Section 6.2.
2. High byte of wIndex is the port indicators selector code, low byte of wIndex is the port number. For
detailed information, please refer to the section 11.24.2.13 of Universal Serial Bus Specification
Revision 2.0.
3. The device address, endpoint number, and endpoint type of the full-/low-speed endpoint that may
have a busy TT buffer must be specified in the wValue field. For detailed information, please refer to
the table 11-18 of section 11.24.2.3 of Universal Serial Bus Specification Revision 2.0.
©2000-2003 Genesys Logic Inc.—All rights reserved.
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