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S29GL032N11FFI020 Datasheet(PDF) 52 Page - SPANSION |
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S29GL032N11FFI020 Datasheet(HTML) 52 Page - SPANSION |
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52 / 79 page  52 S29GL-N MirrorBit® Flash Family S29GL-N_01_09 November 16, 2007 Da ta Sh e e t Table 10.2 Sector Protection Commands (x16) Command Sequence (Notes) Bus Cycles (Notes 2–4) First Second Third Fourth Fifth Sixth Seventh Addr Data Addr Data Addr Data Addr Data Addr Data Addr Data Addr Data Command Set Entry (Note 5) 3 555 AA 2AA 55 555 40 Program (Note 6) 2 XX A0 XXX Data Read (Note 6) 1 00 Data Command Set Exit (Note 7) 2XX 90 XX 00 Command Set Entry (Note 5) 3 555 AA 2AA 55 555 60 Program (Note 8) 2XX A0 PWAx PWDx Read (Note 9) 4 XXX PWD0 01 PWD1 02 PWD2 03 PWD3 Unlock (Note 10) 7 00 25 00 03 00 PWD0 01 PWD1 02 PWD2 03 PWD3 00 29 Command Set Exit (Note 7) 2XX 90 XX 00 Command Set Entry (Note 5) 3 555 AA 2AA 55 555 C0 PPB Program (Note 11) 2XX A0 SA 00 All PPB Erase (Notes 11, 12) 2XX 80 00 30 PPB Status Read 1 SA RD(0) Command Set Exit (Note 7) 2XX 90 XX 00 Command Set Entry (Note 5) 3 555 AA 2AA 55 555 50 PPB Lock Bit Set 2 XX A0 XX 00 PPB Lock Bit Status Read 1 XXX RD(0) Command Set Exit (Note 7) 2XX 90 XX 00 Command Set Entry (Note 5) 3 555 AA 2AA 55 555 E0 DYB Set 2 XX A0 SA 00 DYB Clear 2 XX A0 SA 01 DYB Status Read 1 SA RD(0) Command Set Exit (Note 7) 2XX 90 XX 00 Legend X = Don’t care. RA = Address of the memory location to be read. SA = Sector Address. Any address that falls within a specified sector. See Tables 8.2–8.8 for sector address ranges. PWA = Password Address. Address bits A1 and A0 are used to select each 16- bit portion of the 64-bit entity. PWD = Password Data. RD(0) = DQ0 protection indicator bit. If protected, DQ0 = 0. If unprotected, DQ0 = 1. Notes 1. All values are in hexadecimal. 2. Shaded cells indicate read cycles. 3. Address and data bits not specified in table, legend, or notes are don’t cares (each hex digit implies 4 bits of data). 4. Writing incorrect address and data values or writing them in the improper sequence may place the device in an unknown state. The system must write the reset command to return the device to reading array data. 5. Entry commands are required to enter a specific mode to enable instructions only available within that mode. 6. No unlock or command cycles required when bank is reading array data. 7. Exit command must be issued to reset the device into read mode; device may otherwise be placed in an unknown state. 8. Entire two bus-cycle sequence must be entered for each portion of the password. 9. Full address range is required for reading password. 10. Password may be unlocked or read in any order. Unlocking requires the full password (all seven cycles). 11. ACC must be at VIH when setting PPB or DYB. 12. “All PPB Erase” command pre-programs all PPBs before erasure to prevent over-erasure. |
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