How to disable JTAP function on MPC5534MZQ80 chip

[wangzhiwei1]

My controller uses the MPC5534MZ80 chip and the QEZ0841BGA324X22 package. How can I close the JTAP port to prevent the emulator from reading FLASH data and avoid the risk of decompilation?

[davidtosenovjan]

I suppose you mean JTAG. You may use censorship feature. Pay attention to following appnote:

https://www.nxp.com/docs/en/application-note/AN3787.pdf