One-time programmable (OTP)
The NXP i.MX6UL CPU provides a set of one-time programmable bits (eFuses) structured as 16 banks. Each bank is composed of eight words of 32 bits each.
CAUTION! These bits can be blown just once. Programming them is an irreversible operation.
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Kernel configuration |
CONFIG_FSL_OTP |
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Kernel driver |
The different OTP words are accessible through the sysfs at /sys/fsl_otp.
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