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[DOC] Clarify when fuses may be written in integ spec #597

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Sep 30, 2024
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2 changes: 1 addition & 1 deletion docs/CaliptraIntegrationSpecification.md
Original file line number Diff line number Diff line change
Expand Up @@ -182,7 +182,7 @@ Control registers and fuses are documented on GitHub.

## Fuses

Fuses are writable only one time and require a cptra\_pwrgood to be recycled to be written again.
Fuses may only be written during the BOOT_FUSE state of the Boot FSM and require a cptra\_pwrgood to be recycled to be written again.

After all fuses are written, the fuse done register at the end of the fuse address space must be set to 1 to lock the fuse writes and to proceed with the boot flow.

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