512Mb, 1Gb, 2Gb: P30-65nm
Flowcharts
Figure 16: Buffered Enhanced Factory Programming (BEFP) Procedure
Setup Phase
Start
Program and Verify Phase
Read status
register
Exit Phase
Read status
register
Issue BEFP SETUP
Data = 0x80
Issue BEFP CONFIRM
Data = 00D0h
Buffer ready?
No (SR0 = 1)
BEFP exited?
No (SR7 = 0)
Yes (SR0 = 0)
Write data
word to buffer
Yes (SR7 = 1)
Full status
register check
for errors
BEFP setup
delay
Buffer full?
Read status
register
Yes
Read status
register
BEFP setup
done?
Yes (SR7 = 0)
Program
done?
No
Finish
No (SR0 = 1)
No (SR7 = 1)
SR error-handler
user-defined
Yes
Exit
Yes (SR0 = 0)
Program
more data
?
No
Write 0xFFFF
outside block
PDF: 09005aef845667b3
p30_65nm_MLC_512Mb-1gb_2gb.pdf - Rev. B 12/13 EN
64
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