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AT49BV322A-70TU Datasheet(PDF) 10 Page - ATMEL Corporation |
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AT49BV322A-70TU Datasheet(HTML) 10 Page - ATMEL Corporation |
10 / 32 page 10 3308J–FLASH–4/05 AT49BV322A(T) Figure 4-1. Data Polling Algorithm (Configuration Register = 00) Notes: 1. VA = Valid address for programming. During a sector erase operation, a valid address is any sector address within the sector being erased. During chip erase, a valid address is any non-protected sector address. 2. I/O7 should be rechecked even if I/O5 = “1” because I/O7 may change simultaneously with I/O5. START Read I/O7 - I/O0 Addr = VA I/O7 = Data? I/O3, I/O5 = 1? Read I/O7 - I/O0 Addr = VA I/O7 = Data? Program/Erase Operation Not Successful, Write Product ID Exit Command NO NO NO YES YES YES Program/Erase Operation Successful, Device in Read Mode Figure 4-2. Data Polling Algorithm (Configuration Register = 01) Notes: 1. VA = Valid address for programming. During a sector erase operation, a valid address is any sector address within the sector being erased. During chip erase, a valid address is any non-protected sector address. 2. I/O7 should be rechecked even if I/O5 = “1” because I/O7 may change simultaneously with I/O5. START Read I/O7 - I/O0 Addr = VA I/O7 = Data? I/O3, I/O5 = 1? Read I/O7 - I/O0 Addr = VA I/O7 = Data? Program/Erase Operation Not Successful, Write Product ID Exit Command NO NO NO YES YES YES Program/Erase Operation Successful, Write Product ID Exit Command |
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