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AT29LV040A-20TI Datasheet(PDF) 9 Page - ATMEL Corporation |
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AT29LV040A-20TI Datasheet(HTML) 9 Page - ATMEL Corporation |
9 / 10 page PAUSE 20 mS LOAD DATA 90 TO ADDRESS 5555 LOAD DATA 55 TO ADDRESS 2AAA LOAD DATA AA TO ADDRESS 5555 Notes for software product identification: 1. Data Format: I/O7 - I/O0 (Hex); Address Format: A14 - A0 (Hex). 2. A1 - A18 = VIL. Manufacture Code is read for A0 = VIL; Device Code is read for A0 = VIH. 3. The device does not remain in identification mode if powered down. 4. The device returns to standard operation mode. 5. Manufacturer Code: 1F Device Code: C4 ENTER PRODUCT IDENTIFICATION MODE (2, 3, 5) Software Product Identification Entry (1) PAUSE 20 mS LOAD DATA F0 TO ADDRESS 5555 LOAD DATA 55 TO ADDRESS 2AAA LOAD DATA AA TO ADDRESS 5555 EXIT PRODUCT IDENTIFICATION MODE (4) Software Product Identification Exit (1) LOAD DATA 80 TO ADDRESS 5555 LOAD DATA 55 TO ADDRESS 2AAA Boot Block Lockout Feature Enable Algorithm (1) Notes for boot block lockout feature enable: 1. Data Format: I/O7 - I/O0 (Hex); Address Format: A14 - A0 (Hex). 2. Lockout feature set on lower address boot block. 3. Lockout feature set on higher address boot block. LOAD DATA AA TO ADDRESS 5555 LOAD DATA 55 TO ADDRESS 2AAA LOAD DATA AA TO ADDRESS 5555 PAUSE 20 mS LOAD DATA FF TO ADDRESS FFFFFH (3) PAUSE 20 mS LOAD DATA 00 TO ADDRESS 00000H (2) LOAD DATA 40 TO ADDRESS 5555 AT29LV040A 4-91 |
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