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| 型號： | PCI1520-EP |
| 英文描述： | Military Enhanced Plastic PC Card Controllers Data Manual |
| 中文描述： | 軍事增強塑料PC卡控制器數(shù)據(jù)手冊 |
| 文件頁數(shù)： | 49/125頁 |
| 文件大?。?/td> | 716K |
| 代理商： | PCI1520-EP |
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3
–
21
RESET
GNT
SUSPEND
PCLK
RESETIN
SUSPENDIN
PCLKIN
External Terminals
Internal Signals
Figure 3
–
15. Signal Diagram of Suspend Function
3.8.6
Requirements for Suspend Mode
The suspend mode prevents the clearing of all register contents on the assertion of reset (PRST or GRST) which
would require the reconfiguration of the PCI1520 by software. Asserting the SUSPEND signal places the PCI outputs
of the controller in a high-impedance state and gates the PCLK signal internally to the controller unless a PCI
transaction is currently in process (GNT is asserted). It is important that the PCI bus not be parked on the PCI1520
when SUSPEND is asserted because the outputs are in a high-impedance state.
The GPIOs, MFUNC signals, and RI_OUT signal are all active during SUSPEND, unless they are disabled in the
appropriate PCI1520 registers.
3.8.7
Ring Indicate
The RI_OUT output is an important feature in power management, allowing a system to go into a suspended mode
and wake up on modem rings and other card events. TI-designed flexibility permits this signal to fit wide platform
requirements. RI_OUT on the PCI1520 can be asserted under any of the following conditions:
A 16-bit PC Card modem in a powered socket asserts RI to indicate to the system the presence of an
incoming call.
A powered down CardBus card asserts CSTSCHG (CBWAKE) requesting system and interface wake up.
A powered CardBus card asserts CSTSCHG from the insertion/removal of cards or change in battery
voltage levels.
Figure 3
–
16 shows various enable bits for the PCI1520 RI_OUT function; however, it does not show the masking of
CSC events. See Table 3
–
9 for a detailed description of CSC interrupt masks and flags.
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 |
| PCI1520I | 制造商:TI 制造商全稱:Texas Instruments 功能描述:PC CARD CONTROLLERS |
| PCI1520IGHK | 功能描述:外圍驅(qū)動器與原件 - 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 |
| PCI1520IGHKEP | 功能描述:外圍驅(qū)動器與原件 - PCI Mil Enhance PC Card Cntrlr Data Manual 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 |
| PCI1520IPDV | 功能描述:外圍驅(qū)動器與原件 - 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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