参数资料
型号: S29XS064R0PBHW010
厂商: SPANSION LLC
元件分类: PROM
英文描述: 4M X 16 FLASH 1.8V PROM, 80 ns, PBGA44
封装: 7.50 X 5 MM, LEAD FREE, FBGA-44
文件页数: 30/65页
文件大小: 2116K
代理商: S29XS064R0PBHW010
36
S29VS/XS-R MirrorBit
Flash Family
S29VS_XS064R_00_06 July 22, 2011
Data
Sheet
(Adv an ce
Inf o r m a t io n)
Note: If DQ1 goes high during a Write Buffer Programming operation, the system must write the “Write to
Buffer Abort Reset” command sequence to RESET the device to reading array data. The standard RESET
command will not work. See Table 10.5 on page 31 for details on this command sequence.
12.2
Autoselect Command Sequence
The autoselect command sequence allows the host system to access the manufacturer and device codes,
and determine whether or not a sector is protected. The autoselect command sequence may be 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. Autoselect does not
support simultaneous operations or burst mode.
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. The system may read at any address within the same bank any number of times without initiating
another autoselect command sequence. The following table describes the address requirements for the
various autoselect functions, and the resulting data. BA represents the bank address. The device ID is read in
three cycles. During this time, other banks are still available to read the data from the memory.
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).
12.3
Enter/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 issuing 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 Silicon 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 executing an Embedded Program or embedded Erase algorithm.
Table 12.3 on page 43 shows the address and data requirements for both command sequences.
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