Information

• Internal Reference Clocks Auto Trim Machine (ATM) capability using an external
clock as a reference
• Reference dividers for both the FLL and PLL are provided
• Reference dividers for the Fast Internal Reference Clock are provided
• MCG PLL Clock (MCGPLLCLK) is provided as a clock source for other on-chip
peripherals
• MCG FLL Clock (MCGFLLCLK) is provided as a clock source for other on-chip
peripherals
• MCG Fixed Frequency Clock (MCGFFCLK) is provided as a clock source for other
on-chip peripherals
• MCG Internal Reference Clock (MCGIRCLK) is provided as a clock source for other
on-chip peripherals
Chapter 24 Multipurpose Clock Generator (MCG)
K20 Sub-Family Reference Manual, Rev. 2, Feb 2012
Freescale Semiconductor, Inc. 429