20.5.4 Machine Check Reset Flags B

A Power-on Reset (POR) will clear all flags.

Name:	MCFLAGSB
Offset:	0x03
Reset:	0xXX
Property:	-


Bit	7	6	5	4	3	2	1	0
							UPDI	CFD
Access							R/W	R/W
Reset							x	x

Bit 1 – UPDI Illegal Bus Activity Detected

This flag is cleared by writing a ‘1’ to it.

This bit is set if the internal consistency check detects that the UPDI bus controller is active when it should not be, such as when the device is locked.

Writing a ‘0’ to this bit has no effect.

Writing a ‘1’ to this bit will clear the Illegal Bus Activity Detected flag.

Bit 0 – CFD Clock Failure Detected

This flag is cleared by writing a ‘1’ to it.

This bit is set if a CFD monitor triggers a system Reset.

Writing a ‘0’ to this bit has no effect.

Writing a ‘1’ to this bit will clear the Clock Failure Detected flag.