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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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M29DW128F Datenblatt(PDF) 21 Page - STMicroelectronics |
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M29DW128F Datenblatt(HTML) 21 Page - STMicroelectronics |
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21 / 93 page  M29DW128F 3 Bus operations 21/93 Table 8. Block Protection, 16-bit Mode Operation(1) 1. X = VIL or VIH. E G W RP VPP/ WP Address Inputs(2) 2. BKA Bank Address, BA Any Address in the Block. Data Inputs/Outputs A22- A12 A11- A10 A9 A8 A7 A6 A5- A4 A3- A2 A1 A0 DQ15A-1, DQ14-DQ0 Verify Extended Block Indicator (bits DQ6, DQ7) VIL VIL VIH VIH VIH BA X VID X X VIL X VIL VIH VIH 0080h (Customer Lockable) 00C0h (Customer Locked)(3) 3. This indicates the protection status of the second section of the Extended Block; the first section of the Extended Block being always Factory Locked. Verify Block Protection Status BKA VIL VIL VIL 0001h (protected) 0000h (unprotected) Temporary Block Unprotect (4) 4. The RP pin unprotects all the blocks that have been previously protected using a High Voltage protection Technique. XX X VID X Valid Data Input |
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