Donovan, Iohn
December 2006
Portable Design;Dec2006, Vol. 12 Issue 12, p4
The article discusses various bus architectures for interchip communications. These include the Inter Integrated Circuit (I2C) bus, which has been the standard for electronic chip interfaces. It is an eight-bit bus that has a serial data line and serial clock line. The serial peripheral interface bus from Motorola Inc. is a full duplex, thus, making it faster than I2C. However, it does not handle handshaking mechanisms and does not support device addressing. Peripheral component interface Express bus allows data transfer at 250 megabits per second. It is a full duplex and has a maximum data transfer rate of 16 gigabits per second.


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