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參數(shù)資料
| 型號： | 82C862 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | FireLink USB Dual Controller Quad Port USB |
| 中文描述： | FireLink雙控制器的USB四口USB |
| 文件頁數(shù)： | 38/51頁 |
| 文件大小： | 321K |
| 代理商： | 82C862 |
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FireLink USB
82C862
912-2000-030
Revision: 1.0
Page 34
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MEMOFST 4Eh-4Fh
HcRhDescriptorB Register- Bytes 2 & 3
Default = 00h
Bits [15:0] correspond to: 4Eh = [7:0], 4Fh = [15:8].
- Bit 0
Reserved
- Bits [15:1]
Port Power Control Mask: Bit 15 corresponds to Port 15, Bit 14 corresponds to Port 14, the remaining bits follow suit.
Unimplemented ports are reserved.
0 = Device not removable
1 = Global power mask
This field is only valid if No Power Switching bit (MEMOFST 49h[1]) is cleared and Power Switching Mode Bit (MEMOFST
49h[0]) is set (individual port switching). When set, the port only responds to individual port power switching commands
(Set/ClearPortPower, MEMOFST 54h[1:0] and 58h[1:0]). When cleared, the port only responds to global power switching
commands (Set/ClearGlobalPower, MEMOFST 52h[0] and 50h[0]).
MEMOFST 50h
HcRhStatus Register - Byte 0
Default = 00h
Reserved
Over-current
Indicator
(RO):(1)
Reflects state of
OVCR pin.
0 = No over-
current
condition
1 = Over-
current
condition
Read: Local
Power Status
Not supported.
Always read 0.
Write: Clear
Global Power
0 = No effect
1 = Issue Clear
Global
Power
command
to ports
(1) Bit 1 is only valid if the No Over-current Protection (MEMOFST 49h[4]) and Over-current Protection Mode (MEMOFST 49h[3]) bits are
cleared.
MEMOFST 51h
HcRhStatus Register - Byte 1
Default = 00h
Read: Device
Remote Wake-
up Enable(1)
0 = Disabled
1 = Enabled
Write: Set
Remote Wake-
up Enable
0 = No effect
1 = Sets Device
Remote
Wakeup
Enable
(1) Allows port Connect Status Change Bit (MEMOFST 56h[0] for Port 1 and MEMOFST 59h[0] for Port 2) as a remote wakeup event.
Reserved
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