Hello,
Although table in i.MX7 Datasheet(s), named "Fuses and associated pins used for boot"
shows default boot pins states - the following is provided in Table 3 (LCD recommendations
for developer's boot modes) of “Hardware Development Guide for i.MX7Dual and 7Solo
Applications Processors”:
"The BOOT_CFG signals are required for proper functionality and operation and should not be left floating".
That is - external resistors should be applied.
http://www.nxp.com/assets/documents/data/en/user-guides/IMX7DSHDG.pdf
Have a great day,
Yuri
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