Information

Section number Title Page
40.6.8 CMT Modulator Data Register Mark Low (CMT_CMD2).........................................................................997
40.6.9 CMT Modulator Data Register Space High (CMT_CMD3).......................................................................997
40.6.10 CMT Modulator Data Register Space Low (CMT_CMD4)........................................................................998
40.6.11 CMT Primary Prescaler Register (CMT_PPS)............................................................................................998
40.6.12 CMT Direct Memory Access Register (CMT_DMA).................................................................................999
40.7 Functional description...................................................................................................................................................1000
40.7.1 Clock divider................................................................................................................................................1000
40.7.2 Carrier generator..........................................................................................................................................1000
40.7.3 Modulator.....................................................................................................................................................1003
40.7.4 Extended space operation.............................................................................................................................1007
40.8 CMT interrupts and DMA............................................................................................................................................1009
Chapter 41
Real Time Clock (RTC)
41.1 Introduction...................................................................................................................................................................1011
41.1.1 Features........................................................................................................................................................1011
41.1.2 Modes of operation......................................................................................................................................1011
41.1.3 RTC Signal Descriptions.............................................................................................................................1012
41.2 Register definition.........................................................................................................................................................1012
41.2.1 RTC Time Seconds Register (RTC_TSR)...................................................................................................1013
41.2.2 RTC Time Prescaler Register (RTC_TPR)..................................................................................................1014
41.2.3 RTC Time Alarm Register (RTC_TAR).....................................................................................................1014
41.2.4 RTC Time Compensation Register (RTC_TCR).........................................................................................1014
41.2.5 RTC Control Register (RTC_CR)................................................................................................................1016
41.2.6 RTC Status Register (RTC_SR)..................................................................................................................1018
41.2.7 RTC Lock Register (RTC_LR)....................................................................................................................1019
41.2.8 RTC Interrupt Enable Register (RTC_IER).................................................................................................1020
41.2.9 RTC Write Access Register (RTC_WAR)..................................................................................................1021
41.2.10 RTC Read Access Register (RTC_RAR)....................................................................................................1022
K20 Sub-Family Reference Manual, Rev. 1.1, Dec 2012
Freescale Semiconductor, Inc.
Preliminary
35
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