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M58WR064T Datasheet(PDF) 79 Page - STMicroelectronics |
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M58WR064T Datasheet(HTML) 79 Page - STMicroelectronics |
79 / 81 page ![]() 79/81 M58WR064T, M58WR064B Table 42. Command Interface States - Lock Table, Next State Note: 1. CI = Command Interface, CR = Configuration Register, EFP = Enhanced Factory Program, Quad EFP = Quadruple Enhanced Fac- tory Program, P/E. C. = Program/Erase Controller. 2. EFP and Quad EFP are allowed only when Status Register bit SR0 is set to ‘0’. EFP and Quad EFP are busy if Block Address is first EFP Address. Any other commands are treated as data. 3. EFP and Quad EFP exit when Block Address is different from first Block Address and data is FFFFh . 4. If the P/E.C. is active, both cycles are ignored. 5. Illegal commands are those not defined in the command set. Current CI State Next CI State After Command Input Lock/CR Setup (4) OTP Setup (4) Block Lock Confirm Block Lock-Down Confir m Set CR Conf irm EFP Exit, Quad EFP Exit (3) Illegal Command (5) P/E. C. Operation Completed Ready Lock/CR Setup OTP Setup Ready N/A Lock/CR Setup Ready (Lock error) Ready Ready (Lock error) N/A OTP Setup OTP Busy N/A Busy Ready Progr am Setup Program Busy N/A Busy Program Busy Ready Suspend Program Suspended N/A Erase Setup Ready (error) N/A Busy Erase Busy Ready Suspend Lock/CR Setup in Erase Suspend Erase Suspended N/A Program in Erase Suspend Setup Program in Erase Suspend Busy N/A Busy Program in Erase Suspend Busy Erase Suspended Suspend Program in Erase Suspend Suspended N/A Lock/CR Setup in Erase Suspend Erase Suspend (Lock error) Erase Suspend Erase Suspend (Lock error) N/A EFP Setup Ready (error) N/A Busy EFP Busy (2) EFP Verify EFP Busy(2) N/A Verify EFP Verify (2) Ready EFP Verify(2) Ready QuadEFP Setup Quad EFP Busy (2) N/A Busy Quad EFP Busy (2) Ready Quad EFP Busy(2) Ready |
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