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Open Host Controller Interface (OHCI) [1] is an open standard.. Die shot of a VIA VT6307 Integrated Host Controller used for IEEE 1394A communication. When applied to an IEEE 1394 (also known as FireWire; i.LINK or Lynx) card, OHCI means that the card supports a standard interface to the PC and can be used by the OHCI IEEE 1394 drivers that come with all modern operating systems.
IEEE 1394 is a serial bus architecture for high-speed data transfer, serial meaning that information is transferred one bit at a time. Parallel buses utilize a number of different physical connections, and as such are usually more costly and typically heavier. [6] IEEE 1394 fully supports both isochronous and asynchronous applications.
The Serial Bus Protocol 2 (SBP-2) standard is a transport protocol within the Serial Bus, IEEE Std 1394-1995 (also known as FireWire or i.Link), developed by T10. [1] Original work on Serial Bus Protocol started as an attempt to adapt SCSI to IEEE Std 1394-1995 serial interface. Later on it was recognized that SBP-2 may have a more general use ...
In the context of FireWire cameras, the high level drivers are responsible for the protocol. The low level drivers and the interface boards put the definitions of the standard IEEE 1394 into effect. The advantage of this strategy is the simple realization of application software, which is independent of hardware and specific manufacturers.
That requires that data be transmitted serially. A similar differential signaling system is used in RS485, LocalTalk, USB, FireWire, and differential SCSI. Serial Attached SCSI (SAS). The SAS is a new generation serial communication protocol for devices designed to allow for much higher speed data transfers and is compatible with SATA.
The FireWire SBP-2 fabric module enables Linux to export local storage devices via IEEE 1394, so that other systems can mount them as an ordinary IEEE 1394 storage device. IEEE 1394 is a serial-bus interface standard for high-speed communications and isochronous real-time data transfer. It was developed by Apple as "FireWire" in the late 1980s ...
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IEC 61883 Consumer Audio/Video Equipment - Digital Interface is a technical standard for a digital interface that is used by IEEE 1394 devices for audio and video equipment. The standard for these devices is maintained by the International Electrotechnical Commission. The first part was released in 1998; the current third edition is dated 2008.