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26HS01GTAM03 数据表(PDF) 38 Page - Infineon Technologies AG |
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26HS01GTAM03 数据表(HTML) 38 Page - Infineon Technologies AG |
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38 / 166 page  Datasheet 38 of 166 002-12337 Rev. *Y 2022-01-18 256Mb/512Mb/1Gb SEMPER™ Flash HYPERBUS™ interface, 1.8V/3.0V Features Figure 26 Data protection and security (Write/Program/Erase) schemes 4.5.1 Advanced sector protection (ASP) The Advanced Sector Protection (ASP) scheme allows each memory array sector to be independently controlled for protection against erasing or programming, either by volatile or nonvolatile locking features. The nonvolatile locking configuration can also be locked, and password-protected. The main memory array sectors are protected against erase and program by volatile (Dynamic Bits - DYB) and nonvolatile (Persistent Protection Bits - PPB) protection bit pairs. Each DYB/PPB bit pair can be individually set to '0' protecting the related sector or cleared to ‘1’ unprotecting the related sector. DYB protection bits can be set and cleared as often as needed whereas PPB bits being nonvolatile must adhere to their respective technology based endurance requirements. Figure 27 shows an overview of ASP. Figure 27 Advanced sector protection (Nonvolatile) Register Bits |
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