Numonyxâ„¢ Wireless Flash Memory (W30)

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Numonyx Wireless Flash Memory (W30) (W30) address used in the Erase Setup command. For example, if the Erase Confirm command is given to partition B, then the selected block in partition B is erased, even if the Erase Setup command was to partition A. The 2-cycle erase sequence cannot be interrupted with a bus write operation. For example, to execute properly, an Erase Setup command must be immediately followed by the Erase Confirm command. If a different command is issued between the setup and confirm commands, the following occurs: • The partition is placed in read-status mode. • The status register signals a command sequence error. • All subsequent erase commands to that partition are ignored until the status register is cleared. To detect block erase completion, the CPU analyzes SR[7] of that partition. If an error bit (SR[5,3,1]) was flagged, the status register can be cleared by issuing the Clear Status Register command before attempting the next operation. The partition remains in read-status mode until another command is written to its CUI. Any CUI instruction can follow after erasing completes. The CUI can be set to read-array mode to prevent inadvertent status register reads. Datasheet November 2007 68 Order Number: 290702-13
Numonyx Wireless Flash Memory (W30) Figure 32: Block Erase Flowchart Start Write 20h Block Address Write D0h and Block Address Read Status Register SR[7] = 1 Full Erase Status Check (if desired) Block Erase Complete Read Status Register SR[3] = 0 SR[5:4] = 0 SR[5] = 0 SR[1] = 0 Block Erase Successful FULL ERASE STATUS CHECK PROCEDURE 12.3 Read-While-Write and Read-While-Erase No 0 Suspend Erase Yes 1 1 1 1 V PP Range Error Command Sequence Error Block Erase Error Erase of Locked Block Aborted BLOCK ERASE PROCEDURE Suspend Erase Loop Bus Command Comments Operation Repeat for subsequent block erasures. Full status register check can be done after each block erase or after a sequence of block erasures. SR[3,1] must be cleared before the WSM will allow further erase attempts. Only the Clear Status Register command clears SR[5:3,1]. If an error is detected, clear the Status register before attempting an erase retry or other error recovery. The Product Name supports flexible multi-partition dual-operation architecture. By dividing the flash memory into many separate partitions, the flash device can read from one partition while programing (Read-While-Write) or erasing (Read-While-Eras) in another partition. Both of these features greatly enhance data storage performance. The W30 flash memory device does not support simultaneous program and erase operations. Attempting to perform operations such as these results in a command sequence error. Only one partition can be programming or erasing while another November 2007 Datasheet Order Number: 290702-13 69 Write Write Read Standby Block Erase Setup Erase Confirm Data = 20h Addr = Block to be erased (BA) Data = D0h Addr = Block to be erased (BA) Read SRD Toggle CE# or OE# to update SRD Check SR[7] 1 = WSM ready 0 = WSM busy Bus Command Operation Comments Standby Check SR[3] 1 = V error PP Standby Standby Standby Check SR[5:4] Both 1 = Command sequence error Check SR[5] 1 = Block erase error Check SR[1] 1 = Attempted erase of locked block Erase aborted
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Legal Lines and Disclaimers INFORMA
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Numonyx Wireless Flash Memory (W30)
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Date of Revision 11/17/03 -008 Vers
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• RWE - Read-While-Erase • RWW
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Numonyx Wireless Flash Memory (W30)
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Table 2: Top Parameter Memory Map M
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Figure 2: 32Mb, 64Mb and 128Mb QUAD
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Figure 4: 32Mb VF BGA Package Drawi
Page 18 and 19: 4.0 Ballout and Signal Descriptions
Page 20 and 21: 4.2 Signal Descriptions Numonyx Wir
Page 22 and 23: Table 6: Signal Descriptions - QUAD
Page 24 and 25: Numonyx Wireless Flash Memory (W30)
Page 26 and 27: 6.0 Electrical Specifications 6.1 D
Page 28 and 29: 7.0 AC Characteristics 7.1 Read Ope
Page 30 and 31: Table 12: Read Operations - 180 nm
Page 32 and 33: Figure 9: Latched Asynchronous Read
Page 34 and 35: Figure 11: Single Synchronous Read-
Page 38 and 39: Figure 15: Burst Suspend CLK Addres
Page 40 and 41: Figure 16: Write Operations Wavefor
Page 42 and 43: Figure 19: Synchronous Read to Writ
Page 44 and 45: 8.0 Power and Reset Specifications
Page 46 and 47: 8.6 Reset Specifications Table 15:
Page 48 and 49: 9.0 Flash Device Operations Numonyx
Page 50 and 51: 9.1.4 Reset 9.1.5 Write Numonyx Wir
Page 52 and 53: Table 18: Command Codes and Descrip
Page 54 and 55: Figure 26: Interleaving a 2-Cycle W
Page 56 and 57: Table 20: Flash Device Identificati
Page 58 and 59: 10.5 Clear Status Register Numonyx
Page 60 and 61: Figure 28: Word Program Flowchart S
Page 62 and 63: 11.3.2 Setup Numonyx Wireless Flash
Page 64 and 65: Figure 29: Enhanced Factory Program
Page 72 and 73: Figure 33: Block Locking State Diag
Page 76 and 77: Table 26: Simultaneous Operations A
Page 78 and 79: Figure 36: Protection Register Lock
Page 80 and 81: Table 28: Read Configuration Regist
Page 86 and 87: Appendix A Write State Machine Numo
Page 90 and 91: B.2 Query Structure Overview Numony
Page 92 and 93: Table 37: System Interface Informat
Page 94 and 95: B.6 Numonyx-Specific Extended Query
Page 96 and 97: Table 43: Partition Region 1 Inform
Page 98 and 99: Table 45: Partition and Erase-Block
Page 100 and 101: Table 47: 48F Type Stacked Componen
Page 102: Table 51: Parameter / Mux Configura
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Numonyxâ„¢ Wireless Flash Memory (W30)

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