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SM470R1B1M-HT: SM470R1B1MHKPS

Part Number: SM470R1B1M-HT

When programming this device we are getting a error message "MEMORY SECURITY 1 BOOT LOADER PROGRAM ERROR" LOT CODE IS 1809A IS THERE A WAY TO ONLOCL THE SECURITY KEYS?  PART NUMBER IS SM470R1B1MHKPS