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M58WR064T Datasheet(PDF) 78 Page - STMicroelectronics |
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M58WR064T Datasheet(HTML) 78 Page - STMicroelectronics |
78 / 81 page ![]() M58WR064T, M58WR064B 78/81 Table 41. Command Interface States - Modify Table, Next Output Note: 1. CI = Command Interface, CR = Configuration Register, EFP = Enhanced Factory Program, Quad EFP = Quadruple Enhanced Fac- tory Program, DWP = Double Word Program, QWP = Quadruple Word Program, P/E. C. = Program/Erase Controller. 2. At Power-Up, all banks are in Read Array mode. A Read Array command issued to a busy bank, results in undetermined data out- put. 3. The two cycle command should be issued to the same bank address. 4. If the P/E.C. is active, both cycles are ignored. 5. The Clear Status Register command clears the Status Register error bits except when the P/E.C. is busy or suspended. 6. The output state shows the type of data that appears at the outputs if the bank address is the same as the command address. A bank can be placed in Read Array, Read Status Register, Read Electronic Signature or Read CFI Query mode, depending on the command issued. Each bank remains in its last output state until a new command is issued. The next state does not depend on the bank’s output state. Current CI State Next Output State After Command Input (6) Read Array(2) Program DWP, QWP Setup (3,4) Block Erase, Bank Erase Setup (3,4) EFP Setup Quad- EFP Setup Erase Confirm P/E Resume, Block Unlock confirm, EFP Confirm Program/ Erase Suspend Read Status Register Clear status Register (5) Read Electronic signature, Read CFI Query Program Setup Status Register Erase Setup OTP Setup Program in Ease EFP Setup EFP Busy EFP Verify Quad EFP Setup Quad EFP Busy Lock/CR Setup Status Register Lock/CR Setup in Erase Suspend OTP Busy Array Status Register Output Unchanged Status Register Output Unchanged Status Register Ready Array Status Register Output Unchanged Status Register Output Unchanged Electronic Signature/ CFI Program Busy Erase Busy Prog ram/Erase Program in Erase Suspend Busy Program in Erase Suspend Suspended |
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