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GD25Q257DFJR Datasheet(PDF) 13 Page - GigaDevice Semiconductor (Beijing) Inc. |
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GD25Q257DFJR Datasheet(HTML) 13 Page - GigaDevice Semiconductor (Beijing) Inc. |
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13 / 99 page  3.3V Uniform Sector Dual and Quad Serial Flash GD25Q257D 13 7. STATUS AND EXTENDED ADDRESS REGISTERS 7.1. Status Registers Table 6. Status Register-1 No. 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 SRP Status Register Protection Bit Non-volatile writable Table 7. Status Register-2 No. Name Description Note S8 ADS Current Address Mode Volatile, read only S9 QE Quad Enable Non-volatile writable 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 ECC ECC Enable Non-volatile writable S15 SUS1 Erase Suspend Volatile, read only Table 8. Status Register-3 No. Name Description Note S16 LC0 Latency Code 0 Non-volatile writable S17 LC1 Latency Code 1 Non-volatile writable 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 HOLD/RST HOLD# or Reset# Function Non-volatile writable 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. WEL bit The Write Enable Latch (WEL) bit indicates the status of the internal Write Enable Latch. When set to 1 the internal Write Enable Latch is set, when set to 0 the internal Write Enable Latch is reset and no Write Status Register, Program or |
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