NXP Semiconductors K22F series - Page 35

Section number Title Page
41.4.7 LPTMR interrupt..........................................................................................................................................1050
Chapter 42
Real Time Clock (RTC)
42.1 Introduction...................................................................................................................................................................1051
42.1.1 Features........................................................................................................................................................ 1051
42.1.2 Modes of operation...................................................................................................................................... 1051
42.1.3 RTC signal descriptions...............................................................................................................................1052
42.2 Register definition.........................................................................................................................................................1053
42.2.1 RTC Time Seconds Register (RTC_TSR)...................................................................................................1053
42.2.2 RTC Time Prescaler Register (RTC_TPR)..................................................................................................1054
42.2.3 RTC Time Alarm Register (RTC_TAR)..................................................................................................... 1054
42.2.4 RTC Time Compensation Register (RTC_TCR).........................................................................................1055
42.2.5 RTC Control Register (RTC_CR)................................................................................................................1056
42.2.6 RTC Status Register (RTC_SR).................................................................................................................. 1058
42.2.7 RTC Lock Register (RTC_LR)....................................................................................................................1059
42.2.8 RTC Interrupt Enable Register (RTC_IER).................................................................................................1060
42.2.9 RTC Write Access Register (RTC_WAR).................................................................................................. 1061
42.2.10 RTC Read Access Register (RTC_RAR).................................................................................................... 1062
42.3 Functional description...................................................................................................................................................1064
42.3.1 Power, clocking, and reset........................................................................................................................... 1064
42.3.2 Time counter................................................................................................................................................ 1065
42.3.3 Compensation...............................................................................................................................................1066
42.3.4 Time alarm................................................................................................................................................... 1066
42.3.5 Update mode................................................................................................................................................ 1067
42.3.6 Register lock................................................................................................................................................ 1067
42.3.7 Access control..............................................................................................................................................1067
42.3.8 Interrupt........................................................................................................................................................1067
Chapter 43
Universal Serial Bus Full Speed OTG Controller (USBFSOTG)
K22F Sub-Family Reference Manual, Rev. 4, 08/2016
NXP Semiconductors 35