15.3.3 Reference Clock Fail Status Register

Table 15-8. Register Bit Attribute Legend
Symbol	Description	Symbol	Description	Symbol	Description
R	Readable bit	HC	Cleared by Hardware	(Gray cell)	Unimplemented
W	Writable bit	HS	Set by Hardware	X	Bit is unknown at Reset
C	Write to clear	S	Software settable bit	x	Channel number

Name:	CLKFAIL
Offset:	0x3108


Bit	31	30	29	28	27	26	25	24
	SCSMSMCH						PLLFAIL2	PLLFAIL1
Access	R/W						R/W	R/W
Reset	0						0	0


Bit	23	22	21	20	19	18	17	16

Access
Reset


Bit	15	14	13	12	11	10	9	8
				CLKFAIL13	CLKFAIL12	CLKFAIL11	CLKFAIL10	CLKFAIL9
Access				HS/R/W	HS/R/W	HS/R/W	HS/R/W	HS/R/W
Reset				0	0	0	0	0


Bit	7	6	5	4	3	2	1	0
	CLKFAIL8	CLKFAIL7	CLKFAIL6	CLKFAIL5	CLKFAIL4	CLKFAIL3	CLKFAIL2	CLKFAIL1
Access	HS/R/W	HS/R/W	HS/R/W	HS/R/W	HS/R/W	HS/R/W	HS/R/W	HS/R/W
Reset	0	0	0	0	0	0	0	0

Bit 31 – SCSMSMCH Source Clock Select Mismatch Indicator bit

Value	Description
1	Clock failure occurred due to SCS integrity check mismatch (or FLTINJ); check SCSFAIL register for details
0	Clock failure occurred due to non-integrity check related failure

Bit 25 – PLLFAIL2 PLL #2 Reference Clock Fail Status bit

Value	Description
1	Selected reference clock failed, or an enabled external clock monitor has detected an error in the output clock, and the PLL generator has switched to selected backup reference clock
0	Selected reference clock is functioning

Bit 24 – PLLFAIL1 PLL #1 Reference Clock Fail Status bit

Value	Description
1	Selected reference clock failed, or an enabled external clock monitor has detected an error in the output clock, and the PLL generator has switched to selected backup reference clock
0	Selected reference clock is functioning

Bit 12 – CLKFAIL13 Clock Generator #13 Reference Clock Fail Status bit

Value	Description
1	Selected reference clock failed, or an enabled external clock monitor has detected an error in the output clock, and the CLK generator has switched to selected backup reference clock
0	Selected reference clock is functioning

Bit 11 – CLKFAIL12 Clock Generator #12 Reference Clock Fail Status bit

Value	Description
1	Selected reference clock failed, or an enabled external clock monitor has detected an error in the output clock, and the CLK generator has switched to selected backup reference clock
0	Selected reference clock is functioning

Bit 10 – CLKFAIL11 Clock Generator #11 Reference Clock Fail Status bit

Value	Description
1	Selected reference clock failed, or an enabled external clock monitor has detected an error in the output clock, and the CLK generator has switched to selected backup reference clock
0	Selected reference clock is functioning

Bit 9 – CLKFAIL10 Clock Generator #10 Reference Clock Fail Status bit

Value	Description
1	Selected reference clock failed, or an enabled external clock monitor has detected an error in the output clock, and the CLK generator has switched to selected backup reference clock
0	Selected reference clock is functioning

Bit 8 – CLKFAIL9 Clock Generator #9 Reference Clock Fail Status bit

Value	Description
1	Selected reference clock failed, or an enabled external clock monitor has detected an error in the output clock, and the CLK generator has switched to selected backup reference clock
0	Selected reference clock is functioning

Bit 7 – CLKFAIL8 Clock Generator #8 Reference Clock Fail Status bit

Value	Description
1	Selected reference clock failed, or an enabled external clock monitor has detected an error in the output clock, and the CLK generator has switched to selected backup reference clock
0	Selected reference clock is functioning

Bit 6 – CLKFAIL7 Clock Generator #7 Reference Clock Fail Status bit

Value	Description
1	Selected reference clock failed, or an enabled external clock monitor has detected an error in the output clock, and the CLK generator has switched to selected backup reference clock
0	Selected reference clock is functioning

Bit 5 – CLKFAIL6 Clock Generator #6 Reference Clock Fail Status bit

Value	Description
1	Selected reference clock failed, or an enabled external clock monitor has detected an error in the output clock, and the CLK generator has switched to selected backup reference clock
0	Selected reference clock is functioning

Bit 4 – CLKFAIL5 Clock Generator #5 Reference Clock Fail Status bit

Value	Description
1	Selected reference clock failed, or an enabled external clock monitor has detected an error in the output clock, and the CLK generator has switched to selected backup reference clock
0	Selected reference clock is functioning

Bit 3 – CLKFAIL4 Clock Generator #4 Reference Clock Fail Status bit

Value	Description
1	Selected reference clock failed, or an enabled external clock monitor has detected an error in the output clock, and the CLK generator has switched to selected backup reference clock
0	Selected reference clock is functioning

Bit 2 – CLKFAIL3 Clock Generator #3 Reference Clock Fail Status bit

Value	Description
1	Selected reference clock failed, or an enabled external clock monitor has detected an error in the output clock, and the CLK generator has switched to selected backup reference clock
0	Selected reference clock is functioning

Bit 1 – CLKFAIL2 Clock Generator #2 Reference Clock Fail Status bit

Value	Description
1	Selected reference clock failed, or an enabled external clock monitor has detected an error in the output clock, and the CLK generator has switched to selected backup reference clock
0	Selected reference clock is functioning

Bit 0 – CLKFAIL1 Clock Generator #1 Reference Clock Fail Status bit

Value	Description
1	Selected reference clock failed, or an enabled external clock monitor has detected an error in the output clock, and the CLK generator has switched to selected backup reference clock
0	Selected reference clock is functioning

The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.