Section number Title Page25.3.6 MCG Control 6 Register (MCG_C6)...........................................................................................................54925.3.7 MCG Status Register (MCG_S).................................................................................................................. 55125.3.8 MCG Status and Control Register (MCG_SC)............................................................................................55225.3.9 MCG Auto Trim Compare Value High Register (MCG_ATCVH)............................................................ 55425.3.10 MCG Auto Trim Compare Value Low Register (MCG_ATCVL)..............................................................55425.3.11 MCG Control 7 Register (MCG_C7)...........................................................................................................55425.3.12 MCG Control 8 Register (MCG_C8)...........................................................................................................55525.3.13 MCG Control 12 Register (MCG_C12).......................................................................................................55625.3.13 MCG Status 2 Register (MCG_S2)............................................................................................................. 55625.3.13 MCG Test 3 Register (MCG_T3)................................................................................................................ 55725.4 Functional description...................................................................................................................................................55725.4.1 MCG mode state diagram............................................................................................................................ 55725.4.2 Low-power bit usage....................................................................................................................................56125.4.3 MCG Internal Reference Clocks..................................................................................................................56125.4.4 External Reference Clock............................................................................................................................ 56225.4.5 MCG Fixed Frequency Clock ..................................................................................................................... 56325.4.6 MCG PLL clock ..........................................................................................................................................56325.4.7 MCG Auto TRIM (ATM)............................................................................................................................ 56325.5 Initialization / Application information........................................................................................................................ 56425.5.1 MCG module initialization sequence...........................................................................................................56425.5.2 Using a 32.768 kHz reference......................................................................................................................56725.5.3 MCG mode switching.................................................................................................................................. 567Chapter 26Oscillator (OSC)26.1 Introduction...................................................................................................................................................................57726.2 Features and Modes...................................................................................................................................................... 57726.3 Block Diagram.............................................................................................................................................................. 57826.4 OSC Signal Descriptions.............................................................................................................................................. 57826.5 External Crystal / Resonator Connections.................................................................................................................... 579K22F Sub-Family Reference Manual, Rev. 4, 08/201620 NXP Semiconductors
