boundary scanThe use of scan registers to capture state from device input and output pins. IEEE Standard 1149.1-1990 describes the international standard implementation (sometimes called JTAG after the Joint Test Action Group which began the standardisation work).
Last updated: 1995-02-14
bounce message ♦ boundary scan ♦ boundary value ♦ boundary value analysis
Try this search on Wikipedia, Wiktionary, Google, OneLook.