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MX25L1605DZUI-12G Datasheet(PDF) 7 Page - Macronix International |
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MX25L1605DZUI-12G Datasheet(HTML) 7 Page - Macronix International |
7 / 56 page 7 MX25L1605D MX25L3205D MX25L6405D P/N: PM1290 REV. 1.4, OCT. 01, 2008 II. Additional 512-bit secured OTP for unique identifier: to provide 512-bit one-time program area for setting device unique serial number - Which may be set by factory or system customer. Please refer to table 3. 512-bit secured OTP definition. - Security register bit 0 indicates whether the chip is locked by factory or not. - To program the 512-bit secured OTP by entering 512-bit secured OTP mode (with ENSO command), and going through normal program procedure, and then exiting 512-bit secured OTP mode by writing EXSO command. - Customer may lock-down the customer lockable secured OTP by writing WRSCUR(write security register) command to set customer lock-down bit1 as "1". Please refer to table of "security register definition" for security register bit definition and table of "512-bit secured OTP definition" for address range definition. - Note: Once lock-down whatever by factory or customer, it cannot be changed any more. While in 512-bit secured OTP mode, array access is not allowed. Table 3. 512-bit Secured OTP Definition Table 2. Protected Area Sizes Address range Size Standard Customer Lock Factory Lock xxxx00~xxxx0F 128-bit ESN (electrical serial number) Determined by customer xxxx10~xxxx3F 384-bit N/A BP3 BP2 BP1 BP0 16Mb 00 0 0 0(none) 00 0 1 1(1block, block 31th) 00 1 0 2(2blocks, block 30th-31th) 00 1 1 3(4blocks, block 28th-31th) 01 0 0 4(8blocks, block 24th-31th) 01 0 1 5(16blocks, block 16th-31th) 01 1 0 6(32blocks, all) 01 1 1 7(32blocks, all) 10 0 0 8(32blocks, all) 10 0 1 9(32blocks, all) 10 1 0 10(16blocks, block 0th-15th) 1 0 1 1 11(24blocks, block 0th-23th) 11 0 0 12(28blocks, block 0th-27th) 11 0 1 13(30blocks, block 0th-29th) 11 1 0 14(31blocks, block 0th-30th) 11 1 1 15(32blocks, all) Status bit Protect Level 32Mb 64Mb 0(none) 1(1block, block 63th) 2(2blocks, block 62th-63th) 3(4blocks, block 60th-63th) 4(8blocks, block 56th-63th) 5(16blocks, block 48th-63th) 6(32blocks, block 32th-63th) 7(64blocks, all) 8(64blocks, all) 9(32blocks, block 0th-31th) 10(48blocks, block 0th-47th) 11(56blocks, block 0th-55th) 12(60blocks, block 0th-59th) 13(62blocks, block 0th-61th) 14(63blocks, block 0th-62th) 15(64blocks, all) 0(none) 1(2blocks, block 126th-127th) 2(4blocks, block 124th-127th) 3(8blocks, block 120th-127th) 4(16blocks, block 112th-127th) 5(32blocks, block 96th-127th) 6(64blocks,block 64th-127th) 7(128blocks, all) 8(128blocks, all) 9(64blocks, block 0th-63th) 10(96blocks, block 0th-95th) 11(112blocks, block 0th-111th) 12(120blocks, block 0th-119th) 13(124blocks, block 0th-123th) 14(126blocks, block 0th-125th) 15(128blocks, all) |
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