IEEE1149.7 standard with respect to the IEEE1149.1 standard added a lot of testing and debugging features
to solve the problem of high complexity of todays chips and systems cant be tested. In-depth research foundation IEEE1149.1 and IEEE1149.7 two standards on the use of top-down design method to complete the conversion by the IEEE1149.1 IEEE1149.7 converter design in QuartusⅡ platform by Verilog language the design in FPGA
and SignalTapⅡ embedded logic analyzer capture FPGA output signal in QuartusⅡ. The output results show that the design of the program can transform IEEE1149.1 signal into IEEE1149.7 signal that can be used IEEE1149.7 test system for testing and debugging.
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