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W25Q16JVSSIQ Datasheet(PDF) 13 Page - Winbond |
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W25Q16JVSSIQ Datasheet(HTML) 13 Page - Winbond |
13 / 75 page W25Q16JV Publication Release Date: March 22, 2018, 2018 - 12 - Revision G Top/Bottom Block Protect (TB) – Volatile/Non-Volatile Writable The non-volatile Top/Bottom bit (TB) controls if the Block Protect Bits (BP2, BP1, BP0) protect from the Top (TB=0) or the Bottom (TB=1) of the array as shown in the Status Register Memory Protection table. The factory default setting is TB=0. The TB bit can be set with the Write Status Register Instruction depending on the state of the SRL and WEL bits. Sector/Block Protect Bit (SEC) – Volatile/Non-Volatile Writable The non-volatile Sector/Block Protect bit (SEC) controls if the Block Protect Bits (BP2, BP1, BP0) protect either 4KB Sectors (SEC=1) or 64KB Blocks (SEC=0) in the Top (TB=0) or the Bottom (TB=1) of the array as shown in the Status Register Memory Protection table. The default setting is SEC=0. Complement Protect (CMP) – Volatile/Non-Volatile Writable The Complement Protect bit (CMP) is a non-volatile read/write bit in the status register (S14). It is used in conjunction with SEC, TB, BP2, BP1 and BP0 bits to provide more flexibility for the array protection. Once CMP is set to 1, previous array protection set by SEC, TB, BP2, BP1 and BP0 will be reversed. For instance, when CMP=0, a top 64KB block can be protected while the rest of the array is not; when CMP=1, the top 64KB block will become unprotected while the rest of the array become read-only. Please refer to the Status Register Memory Protection table for details. The default setting is CMP=0. |
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