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JTAG_MOD settings for i.MX 8M Nano

Question asked by Peter Lischer on Mar 24, 2020
Latest reply on Mar 27, 2020 by Wigros Sun

According to the reference manual of the i.MX 8M Mini, in order to enable the IEEE1149.1 standard features of the JTAG interface, the TEST_MODE, BOOT_MODE1, BOOT_MODE0, and JTAG_MOD have to be set to 1110. I now saw the exact same note in the reference manual for the i.MX 8M Nano (Rev. 0 12/2019) on page 206. However, this does not make any sense. The i.MX 8M Nano does not have a TEST_MODE pin. On the other hand, the Nano features additionally BOOT_MODE2 and BOOT_MODE3.

 

How do the pins need to be strapped on the i.MX 8M Nano for enabling the IEEE1149.1 feature?

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