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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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AT25SL641 Fiches technique(PDF) 62 Page - Dialog Semiconductor |
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AT25SL641 Fiches technique(HTML) 62 Page - Dialog Semiconductor |
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62 / 76 page  61 AT25SL641 DS-25SL641–113F–12/2018 Figure 7-58. Read Security Register Instruction (SPI Mode) Figure 7-59. Read Security Register Instruction (QPI Mode) 7.39 Write Security Register (2Fh) The Write Security Register instruction is for changing the values of Security Register bits. Unlike the Write Status Register, the Write Enable instruction is not required before executing the Write Security Register instruction. The Write Security Register instruction may change the value of bit 1 (LDSO) for customer to lock-down the 4 Kbit Secured OTP area. Once the LDSO bit is set, the Secured OTP area can no longer be updated. The CS must go high exactly at the boundary; otherwise, the instruction is rejected and not executed. |
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