參數(shù)資料
型號(hào)： QT0086202TME
英文描述： Controller Miscellaneous - Datasheet Reference
中文描述： 控制器雜項(xiàng)-數(shù)據(jù)表參考
文件頁(yè)數(shù)： 11/62頁(yè)
文件大?。?/td> 268K
代理商： QT0086202TME
82C814
912-3000-047
Revision: 1.0
Page 1
January 08, 1998
Docking Station Controller
OPTi
1.0
Features
Provides true hot docking and undocking
PCI Power Management Compliant
Supports 3.3V or 5.0V PCI dock
Host PCI bus can be 3.3V or 5.0V
Host and Docking PCI buses can be asynchronous
Works in conjunction with OPTi PCI-to-ISA bridge to pro-
vide reliable ISA support on the dock
Provides eight windows, selectable for memory or I/O
Offers additional fixed window for VGA
Supports INTA#, INTB#, INTC#, INTD#
Supports four bus masters
Generates PCI clocks for four devices
Supports cascadeable docking with multiple 82C814 con-
trollers
Bridge solution increases primary PCI bus bandwidth by
off-loading transactions into buffers
Supports external bus arbiter for secondary PCI bus
Packaged in 144-pin LQFP (Low-profile Quad Flat Pack)
2.0
Overview
This document describes the OPTi 82C814 Docking Station
Controller, a true bridge docking solution that allows software
to treat the docking station like a dynamically insertable/
removable CardBus card.
The PCI software interface conforms to the CardBus header
layout, instead of the PCI-to-PCI bridge header layout, to
overcome the limitations of PCI-to-PCI bridges.
The docking controller implements a true PCI-PCI bridge with
full buffering and synchronous or asynchronous operation.
Figure 2-1 illustrates the flexibility of the device, including its
ability to support multiple ISA buses when used with an OPTi
PCI-to-ISA Bridge.
Note:
This document describes Revision 1.0 of the 82C814
chip.
Figure 2-1
Multiple ISA Bus Support and Cascadeable Docking
82C814
Docking
Station
Controller
PCI
LCD/SVGA
Controller
Host
Chipset
Sound
Chip
(Ports 340-35Fh)
CPU
PCI Bus 0
OPTi
PCI-ISA
Bridge
PCI
Device
PCI Bus 1
Sound
Card
(Ports 340-35Fh)
Docking ISA Bus
Local ISA Bus
82C814
Docking
Station
Controller
PCI Bus 2
Network
Controller
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