S29GL256N10TFI023 ETC, S29GL256N10TFI023 Datasheet - Page 63

• Manufacturer Part Number: S29GL256N10TFI023
• Description: MirrorBit Flash Family
• Manufacturer: ETC

May 13, 2004 27631A4
DQ1 = 1?
No
Yes
(Note 1)
(Note 3)
Yes
(Note 2)
No
Write next address/data pair
Write number of addresses
A d v a n c e
to program minus 1(WC)
Read DQ15 - DQ0 with
Write first address/data
Write program buffer to
address = Last Loaded
Write “Write to Buffer”
Read DQ15 - DQ0 at
Last Loaded Address
flash sector address
and Sector Address
Buffer Operation?
Sector Address
FAIL or ABORT
command and
Figure 1. Write Buffer Programming Operation
WC = WC - 1
Abort Write to
DQ7 = Data?
DQ7 = Data?
DQ5 = 1?
Address
WC = 0 ?
Yes
No
No
No
No
S29GLxxxN MirrorBitTM Flash Family
I n f o r m a t i o n
Yes
Yes
Yes
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. When Sector Address is specified, any
2. DQ7 may change simultaneously with DQ5.
3. If this flowchart location was reached
4. See Tables
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.
Therefore, DQ7 should be verified.
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 be written
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.
sequences required for write buffer
programming.
16
and
17
for command
63