am42bds640ag Meet Spansion Inc., am42bds640ag Datasheet - Page 30

• Manufacturer Part Number: am42bds640ag
• Description: 64 Megabit 4 M ? 16-bit Cmos 1.8 Volt-only, Simultaneous Operation, Burst Mode Flash Memory And 16 Mbit 1 M ? 16-bit Static Ram Preliminary
• Manufacturer: Meet Spansion Inc.

After an erase-suspended program operation is com-
plete, the bank returns to the erase-suspend-read
mode. The system can determine the status of the
program operation using the DQ7 or DQ6 status bits,
just as in the standard program operation. Refer to the
“Flash Write Operation Status” section on page 31
section for more information.
In the erase-suspend-read mode, the system can also
issue the autoselect command sequence. Refer to the
“Autoselect Functions” section on page 15 and
“Autoselect Command Sequence” section on page 26
sections for details.
To resume the sector erase operation, the system must
write the Erase Resume command. The bank address
of the erase-suspended bank is required when writing
this command. Further writes of the Resume command
are ignored. Another Erase Suspend command can be
written after the chip has resumed erasing.
November 1, 2002
P R E L I M I N A R Y
Am42BDS640AG
Note: See Table 14 for program command sequence.
Increment Address
Figure 3. Program Operation
in progress
Embedded
algorithm
Program
No
Command Sequence
Write Program
Last Address?
Programming
from System
Verify Data?
Completed
Data Poll
START
Yes
Yes
No
29