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參數資料
| 型號： | AM29LV640MT100RWHI |
| 廠商： | ADVANCED MICRO DEVICES INC |
| 元件分類： | PROM |
| 英文描述： | 64 Megabit (4 M x 16-Bit/8 M x 8-Bit) MirrorBit⑩ 3.0 Volt-only Boot Sector Flash Memory |
| 中文描述： | 4M X 16 FLASH 3V PROM, 100 ns, PBGA63 |
| 封裝： | 12 X 11 MM, 0.80 MM PITCH, FBGA-63 |
| 文件頁數： | 33/66頁 |
| 文件大小： | 836K |
| 代理商： | AM29LV640MT100RWHI |
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February1,2007 26190C8
Am29LV640MT/B
31
D A T A S H E E T
Figure 4.
Write Buffer Programming Operation
Write “Write to Buffer”
command and
Sector Address
Write number of addresses
to program minus 1(WC)
and Sector Address
Write program buffer to
flash sector address
Write first address/data
Write to a different
sector address
FAIL or ABORT
PASS
Read DQ7 - DQ0 at
Last Loaded Address
Read DQ7 - DQ0 with
address = Last Loaded
Address
Write next address/data pair
WC = WC - 1
WC = 0
Part of “Write to Buffer”
Command Sequence
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
Abort Write to
Buffer Operation
DQ7 = Data
DQ7 = Data
DQ5 = 1
DQ1 = 1
Write to buffer ABORTED.
Must write “Write-to-buffer
Abort Reset” command
sequence to return
to read mode.
Notes:
1.
When Sector Address is specified, any address in
the selected sector is acceptable. However, when
loading Write-Buffer address locations with data, all
addresses must fall within the selected Write-Buffer
Page.
DQ7 can change simultaneously with DQ5.
Therefore, verify DQ7 .
If this flowchart location was reached because
DQ5= “1”, then the device FAILED. If this flowchart
location was reached because DQ1= “1”, then the
Write to Buffer operation was ABORTED. In either
case, the proper reset command must write before
the device can begin another operation. If DQ1=1,
write the Write-Buffer-Programming-Abort-Reset
command. if DQ5=1, write the Reset command.
2.
3.
4.
See
Table 13
for command sequences required for
write buffer programming.
(Note 3)
(Note 1)
(Note 2)
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