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Merge branch 'bugfix/external_mem_enc_docs_v5.5' into 'release/v5.5'

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docs: update PSRAM and flash encryption docs with per-page and separate key capabilities (v5.5)

See merge request espressif/esp-idf!46956
This commit is contained in:
Mahavir Jain
2026-03-30 11:46:30 +05:30
parent e3b1a3111c 1b9b001f23
commit ff249f532f
14 changed files with 94 additions and 5 deletions
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docs/en/api-guides/external-ram.rst
+7
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@@ -241,6 +241,13 @@ By default, failure to initialize external RAM will cause the ESP-IDF startup to
This feature is enabled whenever flash encryption is enabled. For more information on how to enable and how it works see :doc:`Flash Encryption </security/flash-encryption>`.
.. only:: SOC_PSRAM_ENCRYPTION_PAGE_CONFIGURABLE
On {IDF_TARGET_NAME}, PSRAM encryption can be controlled on a per-MMU-page basis, allowing individual PSRAM pages to be selectively encrypted or left unencrypted. However, in the default configuration, all PSRAM pages are encrypted when flash encryption is enabled.
.. only:: SOC_PSRAM_ENCRYPTION_SEPARATE_KEY
On {IDF_TARGET_NAME}, PSRAM encryption can use an independent encryption key. If the PSRAM encryption key is not programmed, the flash encryption key will be used as the PSRAM encryption key.
.. only:: esp32