Boundary scan testing controller and testing method thereof
A boundary scan test and controller technology, applied in the field of electronic communication, can solve the problems of insufficient test speed and inability to realize parallel operation, etc., and achieve the effect of improving test speed and convenient use
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[0030] A schematic structure diagram of a boundary-scan test controller is shown in Figure 1, including: a PC unit, a USB interface unit, a dual-port storage unit, and a control and conversion unit.
[0031] Described PC unit adopts VC to realize interface part, sets the clock of boundary-scan test by PC, selects the test item of boundary-scan test, according to the test item of boundary-scan test, produces corresponding test vector, and test vector is sent To the boundary scan test controller, this part will also analyze the test data, realize fault location and store the test results. In addition, the USB driver will complete the drive of the USB2.0 controller to realize the communication between the PC and the USB2.0 controller. communication.
[0032] The USB interface unit adopts the USB2.0 controller of CYPRESS company to realize the communication between the boundary scan test controller and the computer. The data communication between boundary scan test controllers ca...
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