參數(shù)資料
型號(hào): S29JL032H90TAI223
廠商: ADVANCED MICRO DEVICES INC
元件分類(lèi): PROM
英文描述: 2M X 16 FLASH 3V PROM, 90 ns, PDSO48
封裝: MO-142DD, TSOP-48
文件頁(yè)數(shù): 39/66頁(yè)
文件大?。?/td> 1691K
代理商: S29JL032H90TAI223
42
S29JL032H
S29JL032H_00A11 March 10, 2005
Advan ce
In form ati o n
Figure 6. Toggle Bit Algorithm
DQ2: Toggle Bit II
The “Toggle Bit II” on DQ2, when used with DQ6, indicates whether a particular
sector is actively erasing (that is, the Embedded Erase algorithm is in progress),
or whether that sector is erase-suspended. Toggle Bit II is valid after the rising
edge of the final WE# pulse in the command sequence.
START
No
Yes
DQ5 = 1?
No
Yes
Toggle Bit
= Toggle?
No
Program/Erase
Operation Not
Complete, Write
Reset Command
Program/Erase
Operation Complete
Toggle Bit
= Toggle?
Read Byte Twice
(DQ7–DQ0)
Address = VA
Read Byte
(DQ7–DQ0)
Address =VA
Read Byte
(DQ7–DQ0)
Address =VA
Note: The system should recheck the toggle bit even if
DQ5 = “1” because the toggle bit may stop toggling as DQ5
changes to “1.” See the subsections on DQ6 and DQ2 for
more information.
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