9.1 Application Information

The TCA4311A was designed for applications in which a portion of a communication bus contained on an I/O card or add-on card, is inserted into a live backplane where the main communication bus is already active, which is known as hot-swapping. The two types of communication buses supported by the TCA4311A are I²C and SMBus. System management for PCI cards is an application of the SMBus protocol, which adds on to the electrical specifications and hardware addressing protocol of I²C with second-level software for building special systems that may include dynamic addressing. The following application schematics and descriptions give examples of a typical application of the TCA4311A (Figure 9), a CompactPCI™ system configuration (Figure 12), a PCI system configuration (Figure 13), repeater or bus-extender application (Figure 14), and a system with disparate voltage supplies (Figure 15).