XCP

XCP is a three-letter abbreviation which may refer to:

  • Copper, the ISO 4217 code for trading the metal
  • Extended Copy Protection, a CD copy protection technique used on some Sony CD albums
  • Xen Cloud Platform, open-source virtualization software
  • Xavier College Preparatory (Arizona)
  • Universal Measurement and Calibration Protocol, ASAM e.V. standard abbreviated XCP
  • xCelerated Composition Platform, a Documentum application development platform
  • The native currency of Counterparty
  • Jabber XCP, a commercial product which is an implementation of XMPP. Acquired by Cisco Systems in 2008.
  • XCP (Protocol)

    XCP or "Universal Measurement and Calibration Protocol" is a network protocol originating from ASAM for connecting calibration systems to electronic control units, ECUs. It enables read and write access to variables and memory contents of microcontroller systems at runtime. Entire datasets can be acquired or stimulated synchronous to events triggered by timers or operating conditions. In addition, XCP also supports programming of flash memory.

    ASAM states "The primary purpose of XCP is to adjust internal parameters and acquire the current values of internal variables of an ECU. The first letter X in XCP expresses the fact that the protocol is designed for a variety of bus systems."

    In 2003, the protocol was standardized as "ASAM MCD-1 XCP". XCP is a successor to CAN Calibration Protocol (CCP) that was developed back in the mid-1990s. At that time, CAN was the dominant networking system in the automobile industry. Over time, other bus systems such as LIN, MOST and FlexRay emerged and made it necessary to extend the protocol to other transport media. In addition, XCP supports synchronous and asynchronous serial interfaces. With Ethernet or USB as the transport medium, XCP can also serve as a standardized interface to analog measurement devices and to hardware interface converters to RAM emulators, JTAG or other microcontroller debug interfaces.

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