Production line operations

This section provides a summary of recommended and optional steps.

Table 1. Production line steps
Step Description Requirement
1 Crystal/crystal oscillator frequency trimming Recommended
2 MAC address programming Recommended
3 QSPI encryption key programming Optional
4 Assembly test Optional

Before programming any values in the One Time Programmable (OTP) memory, set the register REGION.PROTECT to allow full read/write access. See OTP memory programming for more information.