s71ws256nc0bawa30 Meet Spansion Inc., s71ws256nc0bawa30 Datasheet - Page 41

• Manufacturer Part Number: s71ws256nc0bawa30
• Description: Stacked Multi-chip Product Mcp 256/512/128 Megabit 32m/16m/8m X 16 Bit Cmos 1.8 Volt-only Simultaneous Read/write, Burst-mode Flash Memory With 128/64megabit 8m/4m X 16-bit Psram.
• Manufacturer: Meet Spansion Inc.

September 15, 2005 S71WS-N_01_A4
10.5.3
RESET. Issue Write Buffer
PA
Abort Reset Command
Write Next Word,
Decrement wc:
data , wc = wc – 1
Sector Erase
The sector erase function erases one or more sectors in the memory array. (See
quire the system to preprogram prior to erase. The Embedded Erase algorithm automatically
programs and verifies the entire memory for an all zero data pattern prior to electrical erase. After
a successful sector erase, all locations within the erased sector contain FFFFh. The system is not
required to provide any controls or timings during these operations.
Memory Array
A d v a n c e
Commands; and
No
Figure 10.4 Write Buffer Programming Operation
Yes
I n f o r m a t i o n
Write Buffer Load Command:
Load Word Count to Program
to return to read array mode.
FAIL. Issue reset command
S71WS-Nx0 Based MCPs
Program Data to Address:
Sector Address to Cause
Address 555h, Data 25h
Address 555h, Data AAh
Address 2AAh, Data 55h
Write Unlock Cycles:
Write to a Different
Write Buffer Abort
Figure
Abort Desired?
Write Buffer
Write Buffer
SA = wc
wc = 0?
Abort?
Issue
10.5,
No
No
Yes
Sector Erase
Yes
Unlock Cycle 1
Unlock Cycle 2
wc = number of words – 1
Operation.) The device does not re-
No
Perform Polling Algorithm
(see Write Operation Status
Confirm command:
PASS. Device is in
(Recommended)
Polling Status
SA = 0x29h
flowchart)
read mode.
Wait 4 µs
Yes
= Done?
Error?
No
Table
Yes
15.1,
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