s71gl128nb0 Meet Spansion Inc., s71gl128nb0 Datasheet - Page 54

• Manufacturer Part Number: s71gl128nb0
• Description: Stacked Multi-chip Product Mcp 512/256/128 Megabit 32/16/8 M X 16-bit Cmos 3.0 Volt-only Mirrorbittm Page-mode Flash Memory With 32 Megabit 2m X 16-bit Psram
• Manufacturer: Meet Spansion Inc.

54
DQ1 = 1?
No
Yes
Yes
No
to program minus 1(WC = 31)
Write next address/data pair
Write number of addresses
Read DQ15 - DQ0 with
Write first address/data
Write program buffer to
address = Last Loaded
Write “Write to Buffer”
Last Loaded Address
Read DQ15 - DQ0 at
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 MirrorBit
A d v a n c e
Yes
Yes
Yes
Part of “Write to Buffer”
Command Sequence
Write to buffer ABORTED.
Must write “Write-to-buffer
Abort Reset” command
TM
Write to a different
sequence to return
sector address
Flash Family
I n f o r m a t i o n
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
S29GLxxxN_00_A4 June 14, 2004
for command