21.5.8 SKEY - Serial KEY signaling

The SKEY instruction is used to signal the activation key that enables NVM programming. The SKEY instruction is followed by the 8 data bytes that includes the activation key.

Table 21-9. The Serial KEY signaling (SKEY) Instruction
OperationOpcodeRemarks
Key ← {8[data}}1110 0000Data bytes follow after instruction