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M28W320FCT Datasheet(PDF) 55 Page - Numonyx B.V |
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M28W320FCT Datasheet(HTML) 55 Page - Numonyx B.V |
55 / 69 page M28W320FCT, M28W320FCB Common Flash Interface (CFI) 55/69 (P+F)h = 44h 0080h Protection Field 1: Protection Description This field describes user-available. One Time Programmable (OTP) Protection register bytes. Some are pre-programmed with device unique serial numbers. Others are user programmable. Bits 0–15 point to the Protection register Lock byte, the section’s first byte. The following bytes are factory pre-programmed and user-programmable. bit 0 to 7 Lock/bytes JEDEC-plane physical low address bit 8 to 15Lock/bytes JEDEC-plane physical high address bit 16 to 23 "n" such that 2n = factory pre-programmed bytes bit 24 to 31 "n" such that 2n = user programmable bytes 80h (P+10)h = 45h 0000h 00h (P+11)h = 46h 0003h 8 Byte (P+12)h = 47h 0003h 8 Byte (P+13)h = 48h Reserved 1. See Table 27, offset 15 for P pointer definition. Table 30. Primary Algorithm-Specific Extended Query Table Offset P = 35h (1) Data Description Value Table 31. Security Code Area Offset Data Description 80h 00XX Protection Register Lock 81h XXXX 64 bits: unique device number 82h XXXX 83h XXXX 84h XXXX 85h XXXX 128 bits: User Programmable OTP 86h XXXX 87h XXXX 88h XXXX 89h XXXX 8Ah XXXX 8Bh XXXX 8Ch XXXX |
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