參數(shù)資料
型號(hào)： S29WS128J0PBFW002
廠商： SPANSION LLC
元件分類： PROM
英文描述： 8M X 16 FLASH 1.8V PROM, 55 ns, PBGA84
封裝： 8 X 11.60 MM, LEAD FREE, FBGA-84
文件頁(yè)數(shù)： 48/97頁(yè)
文件大?。?/td> 2421K
代理商： S29WS128J0PBFW002
52
S29WS128J/064J
S29WS-J_00_A6 May 11, 2006
Dat a
S h ee t
written to an address within a bank that is either in the read or erase-suspend-read mode. The
autoselect command may not be written while the device is actively programming or erasing in
the other bank.
The autoselect command sequence is initiated by first writing two unlock cycles. This is followed
by a third write cycle that contains the bank address and the autoselect command. The bank then
enters the autoselect mode. No subsequent data will be made available if the autoselect data is
read in synchronous mode. The system may read at any address within the same bank any num-
ber of times without initiating another autoselect command sequence. Read commands to other
banks will return data from the array. The following table describes the address requirements for
the various autoselect functions, and the resulting data. BA represents the bank address, and SA
represents the sector address. The device ID is read in three cycles.
The system must write the reset command to return to the read mode (or erase-suspend-read
mode if the bank was previously in Erase Suspend).
Enter Secured Silicon Sector/Exit Secured Silicon Sector Command
Sequence
The Secured Silicon Sector region provides a secured data area containing a random, eight word
electronic serial number (ESN). The system can access the Secured Silicon Sector region by is-
suing the three-cycle Enter Secured Silicon Sector command sequence. The device continues to
access the Secured Silicon Sector region until the system issues the four-cycle Exit Secured Sili-
con Sector command sequence. The Exit Secured Silicon Sector command sequence returns the
device to normal operation. The Secured Silicon Sector is not accessible when the device is exe-
cuting an Embedded Program or embedded Erase algorithm. Table 18, “Command Definitions,”
on page 60 shows the address and data requirements for both command sequences.
Description
Address
Read Data
Manufacturer ID
(BA) + 00h
0001h
Device ID, Word 1
(BA) + 01h
227Eh
Device ID, Word 2
(BA) + 0Eh
2218h (WS128J)
221Eh (WS064J)
Device ID, Word 3
(BA) + 0Fh
2200h (WS128J)
2201h (WS064J)
Sector Protection
Verification
(SA) + 02h
0001 (locked),
0000 (unlocked)
Indicator Bits
(BA) + 03h
DQ15 - DQ8 = 0
DQ7 - Factory Lock Bit
1 = Locked, 0 = Not Locked
DQ6 -Customer Lock Bit
1 = Locked, 0 = Not Locked
DQ5 - Handshake Bit
1 = Reserved,
0 = Standard Handshake
DQ4 & DQ3 - Boot Code
00 = Dual Boot Sector,
01 = Top Boot Sector,
10 = Bottom Boot Sector
DQ2 - DQ0 = 001
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