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參數(shù)資料
| 型號(hào)： | OX16PCI952-TQFP-A |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Integrated High Performance Dual UARTs, Parallel Port and 5.0v PCI interface |
| 中文描述： | 集成高性能的雙UART，并行端口和5.0V PCI接口 |
| 文件頁數(shù)： | 27/76頁 |
| 文件大?。?/td> | 1386K |
| 代理商： | OX16PCI952-TQFP-A |
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The device can only issue a wakeup request (power
management event) if it is enabled by this functions
PME_En bit, bit8 of the PCI Power Management Register
PMCSR.
Like powerdown, wakeup requests for function 1 can be
generated by either of the 2 Multi_purpose MIO pins when
they are associated with function 1. The means to generate
wakeup events fromthese sources will have been setup
prior to placing this function into the powerdown states D2
or D3.
The state of the MIO pins (when associated with function 1)
that results in wakeup requests is determned by the
DataSheet Revision 1.1
Page 27
OX16PCI952
OXFORD SEMICONDUCTOR LTD.
settings in the local configuration register MIC. As soon as
the correct logic is invoked than a power management
event (wakeup) is asserted. The PME#event is immediate.
When function 1 issues a wake up request, fromthe MIO
pins, the PME_Status bit in this functions PCI power
management registers (PMCSR[15]) will be set. This is a
sticky bit which will only be cleared by writing a ‘1’ to it.
While PME_En (PMCSR[8]) remains set, the PME_Status
will continue to assert the PME#pin to informthe device
driver that a power management wake up event has
occurred. After a wake up event is signalled, the device
driver is expected to return this function to the D0 power-
state
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