參數(shù)資料
型號(hào)： 22152
元件分類： SRAM
英文描述： 64K Nonvolatile SRAM
中文描述： 使用AMD的設(shè)備運(yùn)行狀態(tài)位
文件頁(yè)數(shù)： 7/12頁(yè)
文件大?。?/td> 127K
代理商： 22152
6
Using the Operation Status Bits in AMD Devices
July 24, 2002
S U P P L E M E N T
POLLING SEQUENCE FOR THE OPERATION STATUS BITS
Figure 3.
DQ6 Toggle Bit Polling Sequence for
Program Completion
Figure 4.
DQ7 Data Polling Sequence for Program
Completion
Note:
1. The term Toggle indicates that the system will have to read the status bits consecutively and compare them to determine if
they have changed states.
2. DQ6 toggles due to either CE# or OE#
Program/Erase
Command
Sequence
Read DQ7-DQ0 Twice
Address = X
DQ6 = Toggle
Yes
No
DQ5 = 1
No
Yes
Program/Erase
Not Successful
Read DQ7-DQ0 Twice
Address = X
DQ6 = Toggle
Program/Erase
Completed
Yes
No
Note:
PA = Program address of the location being programmed.
Program
Command
Sequence
Read DQ7-DQ0
Address = VA
DQ7=DQ7 Data
No
Yes
DQ5 = 1
No
Yes
Program Not
Successful
Read DQ7-DQ0
Address = VA
DQ7=DQ7 Data
Program
Completed
No
Yes
Note:
PA = Program Address of the location being programmed.
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