參數(shù)資料
型號: M29F512B70K1T
廠商: 意法半導(dǎo)體
英文描述: 512 Kbit 64Kb x8, Bulk Single Supply Flash Memory
中文描述: 512千位64Kb的× 8,散單電源閃存
文件頁數(shù): 7/16頁
文件大?。?/td> 136K
代理商: M29F512B70K1T
7/16
M29F512B
Error Bit (DQ5).
The Error Bit can be used to
identify errors detected by the Program/Erase
Controller. The Error Bit is set to ’1’ when a Pro-
gram or Chip Erase operation fails to write the cor-
rect data to the memory. If the Error Bit is set a
Read/Reset command must be issued before oth-
er commands are issued. The Error bit is output on
DQ5 when the Status Register is read.
Note that the Program command cannot change a
bit set at ’0’ back to ’1’ and attempting to do so will
cause an error. The Chip Erase command must be
used to set all the bits the memory from ’0’ to ’1’.
Table 6. Status Register Bits
Note: Unspecified data bits should be ignored.
Operation
Address
DQ7
DQ6
DQ5
Program
Any Address
DQ7
Toggle
0
Program Error
Any Address
DQ7
Toggle
1
Chip Erase
Any Address
0
Toggle
0
Erase Error
Any Address
0
Toggle
1
Figure 3. Data Polling Flowchart
READ DQ5 & DQ7
at VALID ADDRESS
START
READ DQ7
FAIL
PASS
AI01369
D=
DATA
YES
NO
YES
NO
DQ5
= 1
D=
DATA
YES
NO
Figure 4. Data Toggle Flowchart
READ
DQ5 & DQ6
START
READ DQ6
FAIL
PASS
AI01370
D=
TOGGLE
NO
NO
YES
YES
DQ5
= 1
NO
YES
D=
TOGGLE
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