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GD25B256D Scheda tecnica(PDF) 11 Page - GigaDevice Semiconductor (Beijing) Inc. |
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GD25B256D Scheda tecnica(HTML) 11 Page - GigaDevice Semiconductor (Beijing) Inc. |
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11 / 82 page  3.3V Uniform Sector Dual and Quad Serial Flash GD25B256D 11 6. REGISTERS 6.1. Status Registers Table 7 Status Register-1 No. Bit Name Description Note S0 WIP Erase/Write In Progress Volatile, read only S1 WEL Write Enable Latch Volatile, read only S2 BP0 Block Protect Bit Non-volatile writable S3 BP1 Block Protect Bit Non-volatile writable S4 BP2 Block Protect Bit Non-volatile writable S5 BP3 Block Protect Bit Non-volatile writable S6 TB Top/Bottom Protect Bit Non-volatile writable S7 SRP0 Status Register Protection Bit Non-volatile writable Table 8 Status Register-2 No. Bit Name Description Note S8 ADS Current Address Mode Volatile, read only S9 QE Quad Enable QE=1 permanently S10 SUS2 Program Suspend Volatile, read only S11 LB1 Security Register Lock Bit Non-volatile writable (OTP) S12 LB2 Security Register Lock Bit Non-volatile writable (OTP) S13 LB3 Security Register Lock Bit Non-volatile writable (OTP) S14 SRP1 Status Register Protection Bit Non-volatile writable S15 SUS1 Erase Suspend Volatile, read only Table 9 Status Register-3 No. Bit Name Description Note S16 Reserved Reserved Reserved S17 Reserved Reserved Reserved S18 PE Program Error bit Volatile, read only S19 EE Erase Error bit Volatile, read only S20 ADP Power Up Address Mode Non-volatile writable S21 DRV0 Output Driver Strength Non-volatile writable S22 DRV1 Output Driver Strength Non-volatile writable S23 Reserved Reserved Reserved The status and control bits of the Status Register are as follows: WIP bit The Write in Progress (WIP) bit indicates whether the memory is busy in program/erase/write status register progress. When WIP bit sets to 1, means the device is busy in program/erase/write status register progress, when WIP bit sets 0, means the device is not in program/erase/write status register progress. |
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