參數(shù)資料
型號(hào)： PCI1520-EP
英文描述： Military Enhanced Plastic PC Card Controllers Data Manual
中文描述： 軍事增強(qiáng)塑料PC卡控制器數(shù)據(jù)手冊(cè)
文件頁數(shù)： 50/125頁
文件大?。?/td> 716K
代理商： PCI1520-EP
3
–
22
Card
I/F
PC Card
Socket 0
CSC
CSTSMASK
RIENB
RI_OUT
RI_OUT Function
RINGEN
CDRESUME
CSC
RI
Card
I/F
PC Card
Socket 1
CSC
CSTSMASK
RINGEN
CDRESUME
CSC
RI
Figure 3
–
16. RI_OUT Functional Diagram
RI from the 16-bit PC Card interface is masked by bit 7 (RINGEN) in the ExCA interrupt and general control register
(ExCA offset 03h/43h/803h, see Section 5.4). This is programmed on a per-socket basis and is only applicable when
a 16-bit card is powered in the socket.
The CBWAKE signaling to RI_OUT is enabled through the same mask as the CSC event for CSTSCHG. The mask
bit (bit 0, CSTSMASK) is programmed through the socket mask register (CB offset 04h, see Section 6.2) in the
CardBus socket registers.
RI_OUT can be routed through any of three different pins, RI_OUT/PME, MFUNC2, or MFUNC4. The RI_OUT
function is enabled by setting RIENB in the card control register (PCI offset 91h, see Section 4.32). The PME function
is enabled by setting PMEEN in the power management control/status register (PCI offset A4h, see Section 4.38).
When RIMUX in the system control register (PCI offset 80h, see Section 4.29) is set to 0, both the RI_OUT function
and the PME function are routed to the RI_OUT/PME terminal. If both functions are enabled and RIMUX is set to 0,
the RI_OUT/PME terminal becomes RI_OUT only and PME assertions will never be seen. Therefore, in a system
using both the RI_OUT function and the PME function, RIMUX must be set to 1 and RI_OUT must be routed to either
MFUNC2 or MFUNC4.
3.8.8
PCI Power Management
The
PCI Bus Power Management Interface Specification for PCI to CardBus Bridges
establishes the infrastructure
required to let the operating system control the power of PCI functions. This is done by defining a standard PCI
interface and operations to manage the power of PCI functions on the bus. The PCI bus and the PCI functions can
be assigned one of seven power-management states, resulting in varying levels of power savings.
The seven power-management states of PCI functions are:
D0-uninitialized
–
Before device configuration, device not fully functional
D0-active
–
Fully functional state
D1
–
Low-power state
D2
–
Low-power state
D3
hot
–
Low-power state. Transition state before D3
cold
D3
cold
–
PME signal-generation capable. Main power is removed and VAUX is available.
D3
off
–
No power and completely nonfunctional
相關(guān)PDF資料
PDF描述
PCI1620GHK Controller Miscellaneous - Datasheet Reference
PCI1620PDV Controller Miscellaneous - Datasheet Reference
PCI2050A 32-Bit. 66MHz. 9-Master PCI-to-PCI Bridge
PCI2050GHK BUS CONTROLLER
PCI2050PDV BUS CONTROLLER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCI1520GHK 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI PC CARD CONTROLLER RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
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PCI1520IGHK 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI PC CARD CONTROLLER RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
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PCI1520IPDV 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI PC CARD CONTROLLER RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
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