AM29LV2562M AMD [Advanced Micro Devices], AM29LV2562M Datasheet - Page 39
AM29LV2562M
Manufacturer Part Number
AM29LV2562M
Description
Manufacturer
AMD [Advanced Micro Devices]
Datasheet
1.AM29LV2562M.pdf
(67 pages)
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December 16, 2005
DQ1 = 1?
No
Yes
(Note 3)
(Note 1)
Yes
(Note 2)
No
Write next address/data pair
Write number of addresses
to program minus 1(WC)
Write first address/data
Write program buffer to
address = Last Loaded
Read DQ7 - DQ0 with
Write “Write to Buffer”
Last Loaded Address
flash sector address
and Sector Address
Read DQ7 - DQ0 at
Buffer Operation?
Sector Address
FAIL or ABORT
command and
Abort Write to
WC = WC - 1
DQ7 = Data?
DQ7 = Data?
Figure 4. Write Buffer Programming Operation
DQ5 = 1?
Address
WC = 0 ?
No
Yes
No
No
No
D A T A S H E E T
Yes
Yes
Yes
Am29LV2562M
Part of “Write to Buffer”
Command Sequence
Write to buffer ABORTED.
Must write “Write-to-buffer
Abort Reset” command
Write to a different
sequence to return
sector address
to read mode.
PASS
Notes:
1.
2. DQ7 and DQ15 may change simultaneously with
3. If this flowchart location was reached because
4.
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.
DQ5 and DQ13. Therefore, DQ7 and DQ15
should be verified.
DQ5 and DQ13 = “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 be written before the device can
begin another operation. If DQ1 and DQ9 =1,
write the Write-Buffer-Programming-Abort-Reset
command. if DQ5 and DQ13 =1, write the Reset
command.
See Tables
required for write buffer programming.
10
and
11
for command sequences
37
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