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参数资料
| 型号： | S29GL256N80TFIV10 |
| 厂商： | Spansion Inc. |
| 英文描述： | MirrorBit Flash Family |
| 中文描述： | MirrorBit闪存系列 |
| 文件页数： | 84/110页 |
| 文件大小： | 2624K |
| 代理商： | S29GL256N80TFIV10 |
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May 13, 2004 27631A4
S29GLxxxN MirrorBitTM Flash Family
75
Ad va nc e
Inform ati o n
WC = Word Count is the number of write buffer locations to load minus 1.
PWD = Password
PWDx = Password word0, word1, word2, and word3.
DATA = Lock Register Contents: PD(0) = SecSi Sector Protection Bit, PD(1) = Persistent Protection Mode Lock Bit, PD(2) =
Password Protection Mode Lock Bit.
Notes:
1. See Table 1 for description of bus operations.
2. All values are in hexadecimal.
3. Except for the read cycle, and the 4th, 5th, and 6th cycle of the autoselect command sequence, all bus cycles are write
cycles.
4. Data bits DQ15-DQ8 are don't cares for unlock and command cycles.
5. Address bits AMAX:A16 are don't cares for unlock and command cycles, unless SA or PA required. (AMAX is the Highest
Address pin.).
6. No unlock or command cycles required when reading array data.
7. The Reset command is required to return to reading array data when device is in the autoselect mode, or if DQ5 goes high
(while the device is providing status data).
8. The fourth, fifth, and sixth cycle of the autoselect command sequence is a read cycle.
9. The data is 00h for an unprotected sector and 01h for a protected sector. See “Autoselect Command Sequence” for more
information. This is same as PPB Status Read except that the protect and unprotect statuses are inverted here.
10. The data value for DQ7 is “1” for a serialized and protected OTP region and “0” for an unserialized and unprotected
SecSiSector region. See "SecSiSector Flash Memory Region” for more information. For S29GLVxxxNH: XX18h/18h = Not
Factory Locked. XX98h/98h = Factory Locked. For S29GLxxxNL: XX08h/08h = Not Factory Locked. XX88h/88h = Factory
Locked.
11. Command is valid when device is ready to read array data or when device is in autoselect mode.
12. The Unlock-Bypass command is required prior to the Unlock-Bypass-Program command.
13. The Unlock-Bypass-Reset command is required to return to reading array data when the device is in the unlock bypass
mode.
14. The system may read and program/program suspend in non-erasing sectors, or enter the autoselect mode, when in the
Erase Suspend mode. The Erase Suspend command is valid only during a sector erase operation.
15. The Erase Resume/Program Resume command is valid only during the Erase Suspend/Program Suspend modes.
16. Issue this command sequence to return to READ mode after detecting device is in a Write-to-Buffer-Abort state. NOTE: the
full command sequence is required if resetting out of ABORT while using Unlock Bypass Mode.
17. S29GL512NH/L = 2223h/23h, 220h/01h; S29GL256NH/L = 2222h/22h, 2201h/01h; S29GL128NH/L = 2221h/21h, 2201h/
01h.
18. The Exit command returns the device to reading the array.
19. Note that the password portion can be entered or read in any order as long as the entire 64-bit password is entered or read.
20. For PWDx, only one portion of the password can be programmed per each “A0” command.
21. The All PPB Erase command embeds programming of all PPB bits before erasure.
22. All Lock Register bits are one-time programmable. Note that the program state = “0” and the erase state = “1”. Also note
that of both the Persistent Protection Mode Lock Bit and the Password Protection Mode Lock Bit cannot be programmed at the
same time or the Lock Register Bits Program operation will abort and return the device to read mode. Lock Register bits that
are reserved for future use will default to “1's”. The Lock Register is shipped out as “FFFF's” before Lock Register Bit program
execution.
23. If any of the Entry command was initiated, an Exit command must be issued to reset the device into read mode. Otherwise
the device will hang.
24. If ACC = VHH, sector protection will match when ACC = VIH
25. Protected State = “00h”, Unprotected State = “01h”.
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