Lattice Semiconductor MachXO2 Programming And Configuration Usage Manual page 50

MachXO2 Programming and Configuration Usage Guide
Clean Up
Transmit Erase Flash
CF/UFM/FR
Command (0x0E)
Transmit Read Busy
Flag (0xF0) or Read
Note: Do Not use fixed delays
Status Register
for the Flash erase sequence.
Command (0x3C)
Yes
Busy?
No
Transmit Refresh
Command (0x79)
Note: The MachXO2 Configuration
Done
Flash/UFM/Feature Row memories
are erased.
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