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M29W800AT Datasheet(PDF) 8 Page - STMicroelectronics |
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M29W800AT Datasheet(HTML) 8 Page - STMicroelectronics |
8 / 33 page ![]() M29W800AT, M29W800AB 8/33 Table 5. User Bus Operations (1) Note: 1. X = VIL or VIH. 2. Block Address must be given an A12-A18 bits. 3. See Table 7. 4. Operation performed on programming equipment. Table 6. Read Electronic Signature (following AS instruction or with A9 = VID) Table 7. Read Block Protection with AS Instruction Operation E G W RP BYTE A0 A1 A6 A9 A12 A15 DQ0- DQ7 DQ8- DQ14 DQ15 A–1 Read Word VIL VIL VIH VIH VIH A0 A1 A6 A9 A12 A15 Data Output Data Output Data Output Read Byte VIL VIL VIH VIH VIL A0 A1 A6 A9 A12 A15 Data Output Hi-Z Address Input Write Word VIL VIH VIL VIH VIH A0 A1 A6 A9 A12 A15 Data Input Data Input Data Input Write Byte VIL VIH VIL VIH VIL A0 A1 A6 A9 A12 A15 Data Input Hi-Z Address Input Output Disable VIL VIH VIH VIH X XXXX X X Hi-Z Hi-Z Hi-Z Stan-by VIH XX VIH X XXXX X X Hi-Z Hi-Z Hi-Z Reset X X X VIL X XXXX X X Hi-Z Hi-Z Hi-Z Block Protection (2,4) VIL VID VIL Pulse VIH X XXX VID XX X X X Blocks Unprotection (4) VID VID VIL Pulse VIH X XXX VID VIH VIH XX X Block Protection Verify (2,4) VIL VIL VIH VIH X VIL VIH VIL VID A12 A15 Block Protect Status(3) XX Block Unprotection Verify (2,4) VIL VIL VIH VIH X VIL VIH VIH VID A12 A15 Block Protect Status(3) XX Block Temporary Unprotection XX X VID X XXXX X X X X X Org. Code Device E G W BYTE A0 A1 Other Addresses DQ0- DQ7 DQ8- DQ14 DQ15 A–1 Word- wide Manufact. Code VIL VIL VIH VIH VIL VIL Don’t Care 20h 00h 0 Device Code M29W800AT VIL VIL VIH VIH VIH VIL Don’t Care D7h 00h 0 M29W800AB VIL VIL VIH VIH VIH VIL Don’t Care 5Bh 00h 0 Code E G W A0 A1 A12-A18 Other Addresses DQ0-DQ7 Protected Block VIL VIL VIH VIL VIH Block Address Don’t Care 01h Unprotected Block VIL VIL VIH VIL VIH Block Address Don’t Care 00h |
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