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TMS28F004AZB60BDBJL Datasheet(PDF) 20 Page - Texas Instruments

Part No. TMS28F004AZB60BDBJL
Description  524288 BY 8-BIT/262144 BY 16-BIT AUTO-SELECT BOOT-BLOCK FLASH MEMORIES
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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TMS28F004AZB60BDBJL Datasheet(HTML) 20 Page - Texas Instruments

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TMS28F004Axy, TMS28F400Axy
524288 BY 8-BIT/262144 BY 16-BIT
AUTO-SELECT BOOT-BLOCK FLASH MEMORIES
SMJS829A – JANUARY 1996 – REVISED AUGUST 1997
20
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
BUS
OPERATION
COMMAND
COMMENTS
Write
Erase
suspend
Data = B0h
Read
Status-register data.
Toggle G or E to update
status register.
Standby
Check SB7
1 = Ready
Standby
Check SB6
1 = Suspended
Write
Read
memory
Data = FFh
Read
Read data from block
other than that being
erased.
Write
Erase
resume
Data = D0h
NOTE A: See block-erase flowchart for complete erasure procedure.
Figure 6. Erase-Suspend / Resume Flow Chart
Start
Issue Erase-Suspend
Command
Read Status-Register
Bits
SB7 = 1
?
No
Issue Memory-Read
Command
Erase
Completed
Yes
Erase Continued
SB6 = 1
?
No
Yes
Finished
Reading
?
No
Yes
Issue Erase-Resume
Command
See Note A


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