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GD25B127D Folha de dados(PDF) 12 Page - GigaDevice Semiconductor (Beijing) Inc. |
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GD25B127D Folha de dados(HTML) 12 Page - GigaDevice Semiconductor (Beijing) Inc. |
12 / 65 page 3.3V Uniform Sector Dual and Quad Serial Flash GD25B127D 12 LB3, LB2, LB1 bits. The LB3, LB2, LB1 bits are non-volatile One Time Program (OTP) bits in Status Register (S13-S11) that provide the write protect control and status to the Security Registers. The default state of LB3-LB1are 0, the security registers are unlocked. The LB3-LB1 bits can be set to 1 individually using the Write Register instruction. The LB3-LB1 bits are One Time Programmable, once they are set to 1, the Security Registers will become read-only permanently. CMP bit The CMP bit is a non-volatile Read/Write bit in the Status Register (S14). It is used in conjunction with the BP4-BP0 bits to provide more flexibility for the array protection. Please see the Status registers Memory Protection table for details. The default setting is CMP=0. SUS1, SUS2 bits The SUS1 and SUS2 bits are read only bits in the status register (S15 and S10) that are set to 1 after executing an Program/Erase Suspend (75H) command (The Erase Suspend will set the SUS1 to 1,and the Program Suspend will set the SUS2 to 1). The SUS1 and SUS2 bits are cleared to 0 by Program/Erase Resume (7AH) command, software reset (66H+99H) command as well as a power-down, power-up cycle. DRV1, DRV0 bits The DRV1&DRV0 bits are used to determine the output driver strength for the Read operations. DRV1, DRV0 Driver Strength 00 100% 01 75% 10 50% (default) 11 25% |
Nº de peça semelhante - GD25B127D |
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Descrição semelhante - GD25B127D |
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