Scrambler pattern (XOR key) visual recognition

Scrambler (XOR key) pattern visual recognition AU6990 / ITE1171 / PS3016-P7-T / FC8708-C / PS2251-33BA / ITE1167BFN-46A / IT1165E-48B / PS2251-33BB-E Pattern (XOR key) period: 128/256/258 pages Page size: 8kb Visually looks like diagonals. Controller generates one page of pattern for first page in block, then cyclically shift it -1 byte (-8 bits) for next…

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