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Part Number: 82C814

 

MFG: N/A

Package Cooled: QFP

D/C: 04+

Description: This document describes the OPTi 82C814 Docking Station Controller, a true bridge docking solution tha...


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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
Min
Max
Min
Max
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

82C814  Connection Diagram

82C814 datasheet

82C206
PDF/DataSheet Download

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