JTAG External Modules for Cluster Test
JEMIO - StarTest (StarTest)
The JTAG External Modules JEMIO™ for Cluster test are intended to provide test access to off-board signals that otherwise could not be accessed by a JTAG test system. For many designs, Boundary-Scan has adequate access to on-board signals, but signals that go off the board often cannot be tested by a JTAG tester. By adding JTAG access to these off-board signals, JEMIO™ modules can increase the board's JTAG test coverage, possibly reducing the need for implementing another test method or for developing alternative tests to reach the required level of test coverage.