解決地線設計問題導致TMS320 DSP JTAG無法連接，報錯Error -516 @ 0x0 failed the scan-path reliability test

芯片爲TMS320F28035，新投的PCB，送焊回來後連接JTAG仿真器發現連接不上，報錯如下： Error connecting to the target:  (Error -516 @ 0x0) The user selected specific frequency failed the scan-path reliability test. The utility or debugge

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