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Last modified: Wednesday, May 23, 2001 

A serial communications protocol developed by Philips Semiconductors and Digital Equipment (DEC) in 1985 for connecting peripheral devices to a computer. Access.bus is designed for hassle-free installation and configuration of relatively low-speed devices, such as keyboards, monitors, and printers. Access.bus uses a bus topology, which enables it to support up to 125 devices.

A competing standard, Universal Serial Bus (USB), is quickly becoming the serial standard of the future.

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For pages about Access.bus . Also check out the following links!

Related Links

Access.bus connection protocol - article
Byte Magazine article on Access.bus functionality and advantages.

Serial communications protocol differences - technical note
Describes and explains differences between some of the most used serial communications protocols such as I2C, ACCESS.bus, and SMBus.

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related terms

serial port

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