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| 型號： | 22152 |
| 元件分類： | SRAM |
| 英文描述： | 64K Nonvolatile SRAM |
| 中文描述： | 使用AMD的設備運行狀態(tài)位 |
| 文件頁數(shù)： | 11/12頁 |
| 文件大?。?/td> | 127K |
| 代理商： | 22152 |
10
Using the Operation Status Bits in AMD Devices
July 24, 2002
S U P P L E M E N T
REVISION SUMMARY
Revision A (March 1998)
Initial release.
Revision B (August 1998)
Using the Operation Status Bits
Modified the paragraph in step 2c to indicate that the
RY/BY# pin may be used to detect sector erase
completion.
Revision C (February 6, 2002)
Added Write-to-Buffer Abort information to the follow-
ing sections:
What can be determined from these Status Bits
What are the Status Bits provided on AMD Flash de-
vices
Using the Operation Status Bits
Implementation Issues
Summary
Revision D (July 24, 2002)
Status Register
Changed Status register 8-15 to undefined.
Implementation Issues
Changed paragraph three to current state.
Figure 3. DQ6 Toggle Bit Polling Sequence for Pro-
gram Completion
Figure 4. DQ7 Toggle Bit Polling Sequence for Pro-
gram Completion
Modified note from VA= to PA=
Added Note 2
Figure 5. DQ7 Data Polling Sequence for Erase
Completion
Figure 6. DQ2 and DQ6 Polling Sequence for Erase
Completion
Modified note from VA= to SA=
Added Note 2
Figure 7. DQ3 Sector Erase Timer
Added Note
Figure 8. DQ1 Write-to-Buffer Abort
Extended diagram six more fields and added
“
pass.
”
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