s71gl128nc0 Meet Spansion Inc., s71gl128nc0 Datasheet - Page 71

• Manufacturer Part Number: s71gl128nc0
• 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 64 Megabit 4m X 16-bit Psram
• Manufacturer: Meet Spansion Inc.

December 15, 2004 S29GLxxxN_MCP_A1
DQ1 = 1?
be at V
may result. WP# has an internal pullup; when unconnected, WP# is at V
Figure 2
and Program Operations–“AC Characteristics” section for parameters, and
14
No
Yes
for timing diagrams.
Yes
HH
illustrates the algorithm for the program operation. Refer to the Erase
for operations other than accelerated programming, or device damage
No
A d v a n c e
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
Figure 1. Write Buffer Programming Operation
Buffer Operation?
Sector Address
FAIL or ABORT
command and
WC = WC - 1
Abort Write to
DQ7 = Data?
DQ7 = Data?
DQ5 = 1?
Address
WC = 0 ?
No
Yes
No
No
No
S29GLxxxN MirrorBit
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
TM
to read mode.
PASS
Flash Family
Notes:
1. When Sector Address is specified, any
2. DQ7 may change simultaneously with DQ5.
3. If this flowchart location was reached
4. See
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.
required for write buffer programming.
Table 12
for command sequences
IH
Figure
.
71