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參數(shù)資料
| 型號(hào)： | GL651USB |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 2-PORT USB KEYBOARD HUB CONTROLLER |
| 中文描述： | 2端口USB鍵盤的集線器控制器 |
| 文件頁(yè)數(shù)： | 12/16頁(yè) |
| 文件大?。?/td> | 156K |
| 代理商： | GL651USB |
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12 03/06/00
GL651USB USB KEYBOARD HUB CONTROLLER
Version 1.0
PT_LOW_SPD
:1’b0 – full speed device connected, 1’b1 – low speed device
connected.
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
PT_PWR
PT_RST
PT_OVCUR
PT_SUS
PT_EN
PT_CON
BUS_PORT_DATA
R/O
VP
( offset 11, default = 00h )
--
R/O
VM
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
Bus state and Port status change indicator:
VP
VM
C_PT_RST
C_PT_OVCUR
C_PT_SUS
C_PT_EN
: VP state on the downstream port
: VM state on the downstream port
: 1’b0 – No change, 1’b1 – Reset complete
: 1’b0 – No change has occurred to over-current indicator
: 1’b1 – over-current indicator has changed
: 1’b0 – No change, 1’b1: – Resume complete
: Set to one when a port is disabled because of a Port_error
condition
: 1’b0 – No change has occurred to current connect status
: 1’b1 – Current connect status has changed
HOST_CMD
C_PT_CON
( offset 12, 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
Host command to the hub:
PT_CMD3~0
: 4’h0 –SetPortFeature(PORT_SUSPEND)
: 4’h1 –SetPortFeature(PORT_RESET)
: 4’h2 –SetPortFeature(PORT_POWER)
: 4’h3 –ClearPortFeature(PORT_ENABLE)
: 4’h4 –ClearPortFeature(PORT_SUSPEND)
: 4’h5 –ClearPortFeature(PORT_POWER)
: 4’h6 –ClearPortFeature(C_PORT_RESET)
: 4’h7 –ClearPortFeature(C_PORT_OVER_CURRENT)
: 4’h8 –ClearPortFeature(C_PORT_SUSPEND)
: 4’h9 –ClearPortFeature(C_PORT_ENABLE)
: 4’hA –ClearPortFeature(C_PORT_CONNECTION)
HB_CMD3
: 1’b1 –SetHubFeature(C_HUB_LOCAL_POWER)
HB_CMD2
: 1’b1 –SetHubFeature(C_HUB_OVER_CURRENT)
HB_CMD1
: 1’b1 –ClearHubFeature(C_HUB_LOCAL_POWER)
HB_CMD0
: 1’b1 –ClearHubFeature(C_HUB_OVER_CURRENT)
ENP2_IND
( offset 13, default = 00h )
--
R/O
PT3
R/O
PT2
R/O
PT1
R/O
HUB
--
--
--
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