MX25L12835F
For user to check if Program/Erase operation is finished or not, RDSR instruction flow are shown as follows:
Figure 20. Program/Erase flow with read array data
start
WREN command
RDSR command*
No
WEL=1?
Yes
Program/erase command
Write program data/address
(Write erase address)
RDSR command
No
WIP=0?
Yes
RDSR command
Read WEL=0, BP[3:0], QE,
and SRWD data
Read array data
(same address of PGM/ERS)
No
Verify OK?
Yes
Program/erase successfully
Program/erase fail
Yes
Program/erase
another block?
* Issue RDSR to check BP[3:0].
* If WPSEL = 1, issue RDSPB and RDDPB to check the block status.
No
Program/erase completed
P/N: PM1795
REV. 1.0, OCT. 23, 2012
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