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參數資料
| 型號： | 935270538118 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 總線控制器 |
| 英文描述： | UNIVERSAL SERIAL BUS CONTROLLER, PQFP64 |
| 封裝： | 10 X 10 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-314-2, LQFP-64 |
| 文件頁數： | 51/93頁 |
| 文件大?。?/td> | 2118K |
| 代理商： | 935270538118 |
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Philips Semiconductors
ISP1160
Embedded USB Host Controller
Product data
Rev. 03 — 27 February 2003
55 of 89
9397 750 10765
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
17
PESC
PortEnableStatusChange: This bit is set when hardware events
cause the PortEnableStatus bit to be cleared. Changes from HCD
writes do not set this bit. The HCD writes a logic 1 to clear this bit.
Writing a logic 0 has no effect.
0 — no change in PortEnableStatus
1 — change in PortEnableStatus
16
CSC
ConnectStatusChange: This bit is set whenever a connect or
disconnect event occurs. The HCD writes a logic 1 to clear this bit.
Writing a logic 0 has no effect. If CurrentConnectStatus is cleared
when a SetPortReset, SetPortEnable, or SetPortSuspend write
occurs, this bit is set to force the driver to re-evaluate the
connection status since these writes should not occur if the port is
disconnected.
0 — no change in CurrentConnectStatus
1 — change in CurrentConnectStatus
Remark: If the DeviceRemovable[NDP] bit is set, this bit is set only
after a Root Hub reset to inform the system that the device is
attached.
15 to 10
-
reserved
9
LSDA
(read) LowSpeedDeviceAttached: This bit indicates the speed of
the device attached to this port. When set, a low-speed device is
attached to this port. When clear, a full-speed device is attached to
this port. This eld is valid only when the CurrentConnectStatus is
set.
0 — full-speed device attached
1 — low-speed device attached
(write) ClearPortPower: The HCD clears the PortPowerStatus bit
by writing a logic 1 to this bit. Writing a logic 0 has no effect.
Table 35:
HcRshPortStatus[1:2] register: bit description…continued
Bit
Symbol
Description
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