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M29W008AT 数据表(PDF) 7 Page - STMicroelectronics |
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M29W008AT 数据表(HTML) 7 Page - STMicroelectronics |
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7 / 30 page ![]() 7/30 M29W008AT, M29W008AB Table 5. User Bus Operations (1) Note: 1. X = VIL or VIH. 2. Block Address must be given an A13-A19 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 A0 A1 A6 A9 A12 A15 DQ0-DQ7 Read Byte VIL VIL VIH VIH A0 A1 A6 A9 A12 A15 Data Output Write Byte VIL VIH VIL VIH A0 A1 A6 A9 A12 A15 Data Input Output Disable VIL VIH VIH VIH XX XX XX Hi-Z Stand-by VIH XX VIH XX XX XX Hi-Z Reset X X X VIL XX XX XX Hi-Z Block Protection (2,4) VIL VID VIL Pulse VIH XX X VID XX X Blocks Unprotection (4) VID VID VIL Pulse VIH XX X VID VIH VIH X Block Protection Verify (2,4) VIL VIL VIH VIH VIL VIH VIL VID A12 A15 Block Protect Status(3) Block Unprotection Verify (2,4) VIL VIL VIH VIH VIL VIH VIH VID A12 A15 Block Protect Status(3) Block Temporary Unprotection XX X VID XX XX XX X Code Device E G W A0 A1 Other Addresses DQ0-DQ7 Manufact. Code VIL VIL VIH VIL VIL Don’t Care 20h Code E G W A0 A1 A13-A19 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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