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參數(shù)資料
| 型號： | GL652USB |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | USB 7 PORT HUB CONTROLLER |
| 中文描述： | 7端口的USB集線器控制器 |
| 文件頁數(shù)： | 9/17頁 |
| 文件大小： | 190K |
| 代理商： | GL652USB |
9 08/18/00
GL652USB 7 PORT USB HUB CONTROLLER
Revision 1.2
HUB_STAT_CHG
R/O
LCPWR
PORT_STATUS ( offset 09, default = 00h )
R/O
R/O
PT_LOW_
SPD
Port status indicator:
PT_LOW_SPD
connected
PT_PWR
PT_RST
PT_OVCUR
PT_SUS
PT_EN
PT_CON
BUS_PORT_DATA
R/O
R/O
VP
VM
( offset 08, default = 00h )
--
HUB status and status change
LCPWR
OVRCUR
C_LCPWR
C_OVRCUR
R/O
OVCUR
R/O
R/O
--
--
--
C_LCPWR C_OVCUR
: HUB local power status
1’b0 – local power good
1’b1 – local power lost
: HUB over current indicator
1’b0 – No over-current condition currently exists
1’b1 – A hub over-current condition exists
: Local power status change
1’b0 – No change has occurred to local power status
1’b1 – local power status has changed
: HUB over current indicator change
1’b0 – No change has occurred to the over-current indicator
1’b1 – Hub over-current indicator has changed
R/O
PT_RST
R/O
R/O
PT_SUS
R/O
PT_EN
R/O
PT_PWR
--
PT_OVCU
R
PT_CON
: 1’b0 – full speed device connected, 1’b1 – low speed device
: 1’b0 – port is in power off state, 1’b1 – port is not in power off state
: 1’b0 – Reset signaling not asserted, 1b’1 – Reset signaling asserted
: 1’b0 – No over-current condition occurred on this port
1’b1 – An over-current condition exists on this port
: 1’b0 – port not suspended, 1’b1 – port suspended or resuming
: 1’b0 – port is disabled, 1’b1 – port is enabled
: 1’b0 – No device is present, 1’b1 – A device is present on this port
( offset 0A, default = 00h )
--
R/O
R/O
C_PT_
OVCUR
R/O
C_PT_
SUS
R/O
R/O
C_PT_
CON
C_PT_RST
C_PT_EN
HOST_CMD
Bus state and Port status change indicator:
VP
: VP state on the downstream port
VM
: VM state on the downstream port
C_PT_RST
: 1’b0 – No change, 1’b1 – Reset complete
C_PT_OVCUR
: 1’b0 – No change has occurred to over-current indicator
1’b1 – over-current indicator has changed
C_PT_SUS
: 1’b0 – No change, 1’b1: – Resume complete
C_PT_EN
: Set to one when a port is disabled because of a Port_error condition
C_PT_CON
: 1’b0 – No change has occurred to current connect status
1’b1 – Current connect status has changed
( offset 0B, default = 0Fh )
W/O
W/O
W/O
W/O
W/O
W/O
W/O
W/O
HB_CMD3 HB_CMD2 HB_CMD1 HB_CMD0 PT_CMD3 PT_CMD2 PT_CMD1 PT_CMD0
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