NXP Semiconductors freescale K51 Series Reference Manual

Section Number Title Page23.7.8 Watchdog Unlock Register (WDOG_UNLOCK).......................................................................................51823.7.9 Watchdog Timer Output Register High (WDOG_TMROUTH).................................................................51923.7.10 Watchdog Timer Output Register Low (WDOG_TMROUTL)..................................................................51923.7.11 Watchdog Reset Count Register (WDOG_RSTCNT).................................................................................52023.7.12 Watchdog Prescaler Register (WDOG_PRESC).........................................................................................52023.8 Watchdog Operation with 8-bit access.........................................................................................................................52023.8.1 General Guideline........................................................................................................................................52023.8.2 Refresh and Unlock operations with 8-bit access........................................................................................52123.9 Restrictions on Watchdog Operation............................................................................................................................522Chapter 24Multipurpose Clock Generator (MCG)24.1 Introduction...................................................................................................................................................................52524.1.1 Features........................................................................................................................................................52524.1.2 Modes of Operation.....................................................................................................................................52824.2 External Signal Description..........................................................................................................................................52924.3 Memory Map/Register Definition.................................................................................................................................52924.3.1 MCG Control 1 Register (MCG_C1)...........................................................................................................53024.3.2 MCG Control 2 Register (MCG_C2)...........................................................................................................53124.3.3 MCG Control 3 Register (MCG_C3)...........................................................................................................53224.3.4 MCG Control 4 Register (MCG_C4)...........................................................................................................53324.3.5 MCG Control 5 Register (MCG_C5)...........................................................................................................53424.3.6 MCG Control 6 Register (MCG_C6)...........................................................................................................53624.3.7 MCG Status Register (MCG_S)..................................................................................................................53724.3.8 MCG Auto Trim Control Register (MCG_ATC)........................................................................................53924.3.9 MCG Auto Trim Compare Value High Register (MCG_ATCVH)............................................................53924.3.10 MCG Auto Trim Compare Value Low Register (MCG_ATCVL)..............................................................54024.4 Functional Description..................................................................................................................................................54024.4.1 MCG Mode State Diagram..........................................................................................................................54024.4.2 Low Power Bit Usage..................................................................................................................................545K51 Sub-Family Reference Manual, Rev. 6, Nov 201120 Freescale Semiconductor, Inc.