E28F320J5100 Intel, E28F320J5100 Datasheet - Page 35
E28F320J5100
Manufacturer Part Number
E28F320J5100
Description
Manufacturer
Intel
Datasheet
1.E28F320J5100.pdf
(53 pages)
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PRELIMINARY
FULL STATUS CHECK PROCEDURE
Program Complete
Check if Desired
Write Data and
Register Data
Read Status
Read Status
(See Above)
Write 40H,
Successful
Full Status
Byte/Word
Byte/Word
Program
Address
Address
Register
SR.7 =
SR.3 =
SR.1 =
SR.4 =
Start
0
0
0
1
1
1
1
0
Voltage Range Error
Device Protect Error
Programming Error
INTEL
Figure 8. Byte/Word Program Flowchart
®
StrataFlash™ MEMORY TECHNOLOGY, 32 AND 64 MBIT
Repeat for subsequent programming operations.
SR full status check can be done after each program operation, or
after a sequence of programming operations.
Write FFH after the last program operation to place device in read
array mode.
SR.4, SR.3 and SR.1 are only cleared by the Clear Status Register
command in cases where multiple locations are programmed before
full status is checked.
If an error is detected, clear the status register before attempting retry
or other error recovery.
Operation
Operation
Standby
Standby
Standby
Standby
Write
Write
Read
Bus
Bus
Word Program
Setup Byte/
Command
Command
Byte/Word
Program
Data = 40H
Addr = Location to Be Programmed
Data = Data to Be Programmed
Addr = Location to Be Programmed
Status Register Data
Check SR.7
1 = WSM Ready
0 = WSM Busy
Check SR.3
1 = Programming to Voltage Error
Check SR.1
1 = Device Protect Detect
Only required for systems
implemeting lock-bit configuration.
Check SR.4
1 = Programming Error
Detect
RP# = V
IH
Comments
Comments
, Block Lock-Bit Is Set
0606_08
35
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