TMS28F002AEB Datasheet, PDF (19/79 Pages) Texas Instruments – AUTO-SELECT BOOT-BLOCK FLASH MEMORIES

TMS28F002Axy, TMS28F200Axy
262144 BY 8-BIT/131072 BY 16-BIT
AUTO-SELECT BOOT-BLOCK FLASH MEMORIES
SMJS826D – JANUARY 1996 – REVISED SEPTEMBER 1997
Start
Issue Erase-Suspend
Command
Read Status-Register
Bits
SB7 = 1
No
?
Yes
SB6 = 1
No
?
Yes
Issue Memory-Read
Command
Erase
Completed
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
Finished
No
Reading
?
Yes
Issue Erase-Resume
Command
Erase Continued
See Note A
NOTE A: See block-erase flow chart for complete erasure procedure.
Figure 6. Erase-Suspend / Erase-Resume Flow Chart
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