Analog Devices ADSP-BF506F Hardware Reference Manual page 204

Flowcharts and Pseudo Codes
}
}
Figure 6-7. Block Erase Flowchart
1 If an error is found, the status register must be cleared before further program/erase operations.
2 Any address within the bank can be used also.
6-60
START
2
WRITE 0x20
WRITE BLOCK ADDRESS
AND 0xD0
2
READ STATUS REGISTER
NO
SR7 = 1
YES
NO
SR3 = 0
YES
YES
SR4, SR5 = 1
NO
NO
SR5 = 0
YES
NO
SR1 = 0
YES
END
1 2
,
ADSP-BF50x Blackfin Processor Hardware Reference
1
V INVALID ERROR
PP
COMMAND SEQUENCE
1
ERROR
1
ERASE ERROR
ERASE TO PROTECTED
1
BLOCK ERROR