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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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T25S16AFEPR Datenblatt(PDF) 12 Page - Shenzhen Huazhimei Semiconductor Co., Ltd |
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T25S16AFEPR Datenblatt(HTML) 12 Page - Shenzhen Huazhimei Semiconductor Co., Ltd |
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12 / 74 page  12 5. MEMORY ORGANIZATION 5.1. Flash Memory Array The memory is organized as: - 16,777,216bytes - Uniform Sector Architecture 256 blocks of 64-Kbyte - 4096 sectors of 4-Kbyte - 65, 536 pages (256 bytes each) Each page can be individually programmed (bits are programmed from 1 to 0). The device is Sector, Block or Chip Erasable but not Page Erasable. Table 5.1(1) Memory Organization Block/ Security Register/SFDP Sector Address range Security Register 3 - 003000H 0030FFH Security Register 2 - 002000H 0020FFH Security Register 1 - 001000H 0010FFH Security Register 0 (SFDP) - 000000H 0000FFH Block 255 4095 FFF000H FFFFFFH ...... ...... ...... 4080 FF0000H FF0FFFH Block 254 4079 FEF000H FEFFFFH ...... ...... ...... 4064 FE0000H FE0FFFH ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... Block 2 47 02F000H 02FFFFH ...... ...... ...... 32 020000H 020FFFH Block 1 31 01F000H 01FFFFH ...... ...... ...... 16 010000H 010FFFH Block 0 15 00F000H 00FFFFH ...... ...... ...... 0 000000H 000FFFH Notes: (1)These are condensed tables that use a couple of sectors as references. There are address ranges that are not explicitly listed. All 4-kB sectors have the pattern XXX000h-XXXFFFh. 5.2. Security Registers The HM25Q128A provides four 256-byte Security Registers. Each register can be used to store information that can be permanently protected by programming One Time Programmable (OTP) lock bits in Status Register-2. Register 0 is used byFSRKto store and protect the Serial Flash Discoverable Parameters (SFDP) information that is also accessed by the Read SFDP command. See Table 5.1. The three additional Security Registers can be erased, programmed, and protected individually. These HM25Q128A |
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