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28F016SA датащи(PDF) 20 Page - Intel Corporation |
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28F016SA датащи(HTML) 20 Page - Intel Corporation |
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20 / 55 page ![]() 28F016SA E 20 4.7 Block Status Register BS BLS BOS BOAS QS VPPS R R 765 432 10 NOTES: BSR.7 = BLOCK STATUS 1 = Ready 0 = Busy [1] RY/BY# output or BS bit must be checked to determine completion of an operation (block lock, erase suspend, any RY/BY# reconfiguration, Upload Status Bits, block erase or data program) before the appropriate Status bits (BOS, BLS) is checked for success. BSR.6 = BLOCK-LOCK STATUS 1 = Block Unlocked for Program/Erase 0 = Block Locked for Program/Erase BSR.5 = BLOCK OPERATION STATUS 1 = Operation Unsuccessful 0 = Operation Successful or Currently Running The BOAS bit will not be set until BSR.7 = 1. BSR.4 = BLOCK OPERATION ABORT STATUS 1 = Operation Aborted 0 = Operation Not Aborted MATRIX 5/4 0 0 = Operation Successful or Currently Running 0 1 = Not a Valid Combination 1 0 = Operation Unsuccessful 1 1 = Operation Aborted Operation halted via Abort command. BSR.3 = QUEUE STATUS 1 = Queue Full 0 = Queue Available BSR.2 = VPP STATUS 1 = VPP Low Detect, Operation Abort 0 = VPP OK BSR.1–0 = RESERVED FOR FUTURE ENHANCEMENTS These bits are reserved for future use; mask them out when polling the BSRs. NOTE: 1. When multiple operations are queued, checking BSR.7 only provides indication of completion for that particular block. GSR.7 provides indication when all queued operations are completed. |
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