M29W320ET, M29W320EB
Extended memory Block
Once the Extended Block is programmed and protected, the Exit Extended Block command must be
issued to exit the Extended Block mode and return the device to Read mode.
Table 28. Extended Block Address and data
Address(1)
Data
Device
x8
x16
Factory Locked
Customer Lockable
Security identification
number
3F0000h-3F000Fh
3F0010h-3FFFFFh
000000h-00000Fh
000010h-00FFFFh
1F8000h-1F8007h
1F8008h-1FFFFFh
000000h-000007h
000008h-007FFFh
Determined by
customer
M29W320ET
Unavailable
Security identification
number
Determined by
customer
M29W320EB
Unavailable
1. See Table 20 and Table 21, Top and Bottom Boot Block Addresses.
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