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JS48F4400P0VB00 Datasheet(PDF) 72 Page - Numonyx B.V |
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JS48F4400P0VB00 Datasheet(HTML) 72 Page - Numonyx B.V |
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72 / 99 page  P30 Datasheet November 2007 72 Order Number: 306666-11 Appendix A Write State Machine Figure 32 through Figure 37 show the command state transitions (Next State Table) based on incoming commands. Only one partition can be actively programming or erasing at a time. Each partition stays in its last read state (Read Array, Read Device ID, CFI Query or Read Status Register) until a new command changes it. The next WSM state does not depend on the partition’s output state. Figure 32: Write State Machine—Next State Table (Sheet 1 of 6) Read Array (2) Word Program (3,4) Buffered Program (BP) Erase Setup (3,4) Buffered Enhanced Factory Pgm Setup (3, 4) BE Confirm, P/E Resume, ULB, Confirm (8) BP / Prg / Erase Suspend Read Status Clear Status Register (5) Read ID/Query Lock, Unlock, Lock-down, CR setup (4) (FFH) (10H/40H) (E8H) (20H) (80H) (D0H) (B0H) (70H) (50H) (90H, 98H) (60H) Ready Program Setup BP Setup Erase Setup BEFP Setup Lock/CR Setup Ready (Unlock Block) Setup Busy Setup Busy Word Program Suspend Suspend Word Program Busy Setup BP Load 1 BP Load 2 BP Confirm BP Busy BP Busy BP Suspend BP Suspend BP Busy Setup Erase Busy Busy Erase Suspend Suspend Erase Suspend Word Program Setup in Erase Suspend BP Setup in Erase Suspend Erase Busy Lock/CR Setup in Erase Suspend BP Suspend Erase BP Busy Erase Busy Erase Suspend Erase Suspend Ready (Error) Erase Busy BP Suspend Ready (Error) Word Program Program Busy Word Program Suspend Word Program Busy OTP Ready (Lock Error) Ready Ready Ready (Lock Error) OTP Busy Current Chip State (7) Command Input to Chip and resulting Chip Next State BP BP Busy Lock/CR Setup BP Load 2 Ready (Error) Ready (Error) Word Program Busy BP Confirm if Data load into Program Buffer is complete; Else BP Load 2 Word Program Suspend BP Load 1 |
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