Can I reprogram the volatile key after the key of Volatile Key with Tamper Protection Bit Set security mode is erased in Stratix® V/Arria® V/Cyclone® V devices? - Can I reprogram the volatile key after the key of Volatile Key with Tamper Protection Bit Set security mode is erased in Stratix® V/Arria® V/Cyclone® V devices? Description No. You cannot program any key if the Tamper Protection Bit is set. Resolution Ensure the required external battery V CCBAT is provided all the time if you use the Volatile Key with Tamper Protection Bit Set security mode. This information is updated in the Stratix® V Device Handbook: Volume 1: Device Interfaces and Integration , Arria® V Device Handbook: Volume 1: Device Interfaces and Integration , and Cyclone® V Device Handbook: Volume 1: Device Interfaces and Integration to clarify. Custom Fields values: ['novalue'] Troubleshooting 15013760271 True ['novalue'] ['novalue'] novalue novalue ['Arria® V FPGAs and SoCs', 'Cyclone® V FPGAs and SoCs', 'Stratix® V FPGAs'] ['novalue'] ['novalue'] ['novalue']