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82C802GA, 82C802GP, 82C814

Table of contents:
Info of 82C802GA
Info of 82C802GP
Info of 82C814

82C802GA, 82C802GP, 82C814 Selling Leads, Datasheet

MFG:84 Package Cooled:OPTI D/C:QFP

82C802GA, 82C802GP, 82C814 Datasheet download

Five Points

Part Number: 82C802GA

MFG: 84

Package Cooled: OPTI

D/C: QFP

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82C814 General Description

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.

82C814 Maximum Ratings

Symbol	Parameter	5.0 Volt		3.3 Volt		Unit
Symbol	Parameter	Min	Max	Min	Max	Unit
VCC	supply Voltage		+6.5		+4.0	V
VI	Input Voltage	-0.5	VCC+0.5	-0.5	VCC+0.5	V
VO	output voltage	-0.5	VCC+0.5	-0.5	VCC+0.5	V
TOP	Storage Temperature	0	+70	0	+70
TSTG	Operating Temperature	-40	+125	-10	+125

82C814 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 provide 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 controllers
• 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)

82C814 Connection Diagram

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