Lattice Semiconductor MachXO2 - Page 48

MachXO2 Programming and Configuration Usage Guide
48
Transmit Program
OTP Command (0xF9)
No
Transmit Read Busy
Flag (0xF0) and Read
Status Register
Command (0x3C)
Write
Security
Bit?
Yes
Yes
Check
Flags?
Yes
No
No
Yes
Transmit Read
OTP Command (0xFA)
No
Busy?
Program
OTP Fuses?
Verify
OTP Fuses?
OTP
Fuses OK?
Busy?
Yes
Yes
Transmit
Program SECURITY
(0xCE) or SECURITY
PLUS Command (0xCF)
Transmit Read Busy
Flag (0xF0) or Read
Status Register
Command (0x3C)
Delay
200 µs
No
No
Clean Up
5
6
Fail?
No
Exit
Yes