NO_KEY_STATE=read_only
Lock configuration LSBs for page 10 (rows 0x280 through 0x2bf). Locks are stored with 3-way majority vote encoding, so that bits can be set independently.
This OTP location is always readable, and is write-protected by its own permissions.
KEY_W | Index 1-6 of a hardware key which must be entered to grant write access, or 0 if no such key is required. |
KEY_R | Index 1-6 of a hardware key which must be entered to grant read access, or 0 if no such key is required. |
NO_KEY_STATE | State when at least one key is registered for this page and no matching key has been entered. 0 (read_only): undefined 1 (inaccessible): undefined |
R1 | Redundant copy of bits 7:0 |
R2 | Redundant copy of bits 7:0 |