12.1 Device-Specific Information

Table 12-1. Oscillator Summary Table
Clock GeneratorsPLLs
162
Table 12-2. CLKGEN Assignment
Clock GeneratorInput Clock Source Module Clock Destination
Clock Generator 1All sourcesSystem clock and peripheral bus
Clock Generator 2FRCFRC
Clock Generator 3BFRCBFRC
Clock Generator 4All sourcesRAM BIST and NVM BIST
Clock Generator 5All sourcesPWM
Clock Generator 6All sourcesADC
Clock Generator 7All sourcesPDM DAC
Clock Generator 8All sourcesUART
Clock Generator 9All sourcesSPI
Clock Generator 10All sourcesCAN
Clock Generator 11All sourcesPTG
Clock Generator 12All sourcesRDC
Clock Generator 13All sourcesCCP and REFO1
Clock Generator 14All sourcesCLC, IOIM and REFO2
Clock Generator 15All sourcesTRACE
Clock Generator 16All sourcesI3C and BiSS
Note: Clock generator 1/2/3/4 is always ON.
Table 12-3. Clock Generator Clock Resources
ValueDescription
1111-1011Reserved
1010REFI2 – User definable clock source
1001REFI1 – User definable clock source
1000PLL2 VCO output
0111PLL1 VCO output
0110PLL2 FOUT output
0101PLL1 FOUT output
0100BFRC/244 (32 KHz)
0011POSC – Primary crystal oscillator (4-32 MHz)
0010BFRC – Internal backup 8 MHz RC oscillator
0001FRC – Internal 8 MHz RC oscillator (default)
0000ICSP clock (PGC)
Table 12-4. PLL Clock Sources
ValueDescription
1111-1011Reserved
1010 REFI1 – User definable clock source
1001REFI2 – User definable clock source
1000-0100Reserved
0011POSC – Primary crystal oscillator (4-32 MHz)
0010BFRC – Internal backup 8 MHz RC oscillator
0001FRC – Internal 8 MHz RC oscillator (default)
0000ICSP clock (PGC)
Table 12-5. Clock Monitor Clock Resources
ValueDescription
1111-1011Reserved
1010 REFI1 – User definable clock source
1001REFI2 – User definable clock source
1000PLL2 VCO Div output
0111PLL1 VCO Div output
0110PLL2 FOUT output
0101PLL1 FOUT output
0100LPRC as BFRC/244
0011POSC – Primary crystal oscillator (4-32 MHz)
0010BFRC – Internal backup 8 MHz RC oscillator
0001FRC – Internal 8 MHz RC oscillator
0000ICSP clock (PGC)