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S71GLXXXNC0 ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 53 Page - SPANSION

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์ƒ์„ธ๋‚ด์šฉ  Stacked Multi-chip Product (MCP)
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December 15, 2004 S29GLxxxN_MCP_A1
S29GLxxxN MirrorBitTM Flash Family
53
Ad vance
Info rmat i o n
Autoselect Mode
The autoselect mode provides manufacturer and device identification, and sector
group protection verification, through identifier codes output on DQ7โ€“DQ0. This
mode is primarily intended for programming equipment to automatically match a
device to be programmed with its corresponding programming algorithm. How-
ever, the autoselect codes can also be accessed in-system through the command
register.
When using programming equipment, the autoselect mode requires VID on ad-
dress pin A9. Address pins A6, A3, A2, A1, and A0 must be as shown in Table 5.
In addition, when verifying sector protection, the sector address must appear on
the appropriate highest order address bits (see Table 2). Table 5 shows the re-
maining address bits that are donโ€™t care. When all necessary bits have been set
as required, the programming equipment may then read the corresponding iden-
tifier code on DQ7โ€“DQ0.
To access the autoselect codes in-system, the host system can issue the autose-
lect command via the command register, as shown in Table 12. This method does
not require VID. Refer to the Autoselect Command Sequence section for more
information.
SA123
1
1
1
0
1
1
128/64
07B0000โ€“07BFFFF
SA124
1
1
1
1
0
0
128/64
07C0000โ€“07CFFFF
SA125
1
1
1
1
0
1
128/64
07D0000โ€“07DFFFF
SA126
1
1
1
1
1
0
128/64
07E0000โ€“07EFFFF
SA127
1
1
1
1
1
1
128/64
07F0000โ€“07FFFFF
Table 4. Sector Address Tableโ€“S29GL128N (Continued)
Sector
A22โ€“A16
Sector Size
(Kbytes/
Kwords)
Address Range
(in hexadecimal)


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