mykhailosopiha commented on code in PR #20144: URL: https://github.com/apache/nuttx/pull/20144#discussion_r4029415776
########## Documentation/platforms/arm/stm32h5/index.rst: ########## @@ -106,6 +107,34 @@ Options: - STM32H5_USBDRD_DESCSIZE - Maximum size of a descriptor. Default: 128 +OTP +--- + +STM32H5 parts have a 2 KiB one-time programmable (OTP) area. It's organized +into 32 blocks of 32 16-bit words. Each word can be successfully programmed once. +Each block may be permanently locked at any point. Written words may be read. + +Writing the same word more than once or reading an unwritten word raises a Review Comment: Writing to the same work has more severe consequences - it may irreversibly corrupt the data, while read will only throw and exception and return ECCD code. ########## Documentation/platforms/arm/stm32h5/index.rst: ########## @@ -106,6 +107,34 @@ Options: - STM32H5_USBDRD_DESCSIZE - Maximum size of a descriptor. Default: 128 +OTP +--- + +STM32H5 parts have a 2 KiB one-time programmable (OTP) area. It's organized +into 32 blocks of 32 16-bit words. Each word can be successfully programmed once. +Each block may be permanently locked at any point. Written words may be read. + +Writing the same word more than once or reading an unwritten word raises a Review Comment: Writing to the same block has more severe consequences - it may irreversibly corrupt the data, while read will only throw and exception and return ECCD code. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
