CD016G0PFA Advanced Micro Devices, Inc., CD016G0PFA Datasheet - Page 51
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CD016G0PFA
Manufacturer Part Number
CD016G0PFA
Description
16 Megabit(512 K X 32-Bit),CMOS 2.5 Volt-only Burst Mode, Dual Boot, Simultaneous Read/write Flash Memory
Manufacturer
Advanced Micro Devices, Inc.
Datasheet
1.CD016G0PFA.pdf
(90 pages)
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Notes:
1. See Table 19 and 20 for erase command sequence.
2. See
March 22, 2004 S29CD016_00A0
DQ3: Sector Erase Timer
Sector Erase and Program Suspend Command
dow has expired. The status of the sector erase operation is determined three
ways:
Further status of device activity during the sector erase operation is determined
using toggle bit DQ2 (refer to
When the Embedded Erase algorithm is complete, the device returns to reading
array data, and addresses are no longer latched. Note that an address change is
required to begin read valid array data.
Figure 5 illustrates the Embedded™ Erase Algorithm, using a typical command
sequence and bus operation. Refer to the
AC Characteristics
diagrams.
The Sector Erase and Program Suspend command allows the user to interrupt a
Sector Erase or Program operation and perform data read or programs in a sector
that is not being erased or to the sector where a programming operation was ini-
tiated. This command is applicable only during the Sector Erase and
Programming operation, which includes the time-out period for Sector Erase.
Data# polling of the DQ7 pin
Checking the status of the toggle bit DQ6
Checking the status of the RY/BY# pin
A d v a n c e
for more information.
section for parameters, and Figures 21 and 22 for timing
No
Command Sequence
Figure 5. Erase Operation
Erasure Completed
I n f o r m a t i o n
from System
Write Erase
Data = FFh?
DQ2: Toggle Bit
Data Poll
START
S29CD016G
Yes
Erase/Program Operations
II).
Embedded
Erase
algorithm
in progress
tables in the
51
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