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參數資料

February 7, 2007 S29GL-M_00_B8

S29GL-M MirrorBitTM Flash Family

Data

Sheet

After an erase command sequence is written, if all sectors selected for erasing are protected, DQ6

toggles for approximately 100 s, then returns to reading array data. If not all selected sectors

are protected, the Embedded Erase algorithm erases the unprotected sectors, and ignores the

selected sectors that are protected.

The system can use DQ6 and DQ2 together to determine whether a sector is actively erasing or

is erase-suspended. When the device is actively erasing (that is, the Embedded Erase algorithm

is in progress), DQ6 toggles. When the device enters the Erase Suspend mode, DQ6 stops tog-

gling. However, the system must also use DQ2 to determine which sectors are erasing or erase-

suspended. Alternatively, the system can use DQ7 (see the subsection on DQ7: Data# Polling).

If a program address falls within a protected sector, DQ6 toggles for approximately 1 s after the

program command sequence is written, then returns to reading array data.

DQ6 also toggles during the erase-suspend-program mode, and stops toggling once the Embed-

ded Program algorithm is complete.

Table 36 shows the outputs for Toggle Bit I on DQ6. Figure 8 shows the toggle bit algorithm.

Figure 20 shows the toggle bit timing diagrams. Figure 21 shows the differences between DQ2

and DQ6 in graphical form. Also, see DQ2: Toggle Bit II.

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S29GL032M10FFIR50	制造商:SPANSION 制造商全稱:SPANSION 功能描述:MirrorBit Flash Family
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S29GL032M10FFIR53	制造商:SPANSION 制造商全稱:SPANSION 功能描述:MirrorBit Flash Family
S29GL032M10FFIR60	制造商:SPANSION 制造商全稱:SPANSION 功能描述:MirrorBit Flash Family

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