14.3.4 Configuration Change Protection

This peripheral has registers that are under Configuration Change Protection (CCP). To write to these registers, a certain key must first be written to the CPU.CCP register, followed by a write access to the protected bits within four CPU instructions.

Attempting to write to a protected register without following the appropriate CCP unlock sequence leaves the protected register unchanged.

The following registers are under CCP:

Table 14-2. RSTCTRL - Registers Under Configuration Change Protection
Register	Key
RSTCTRL.SWRR	IOREG

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