Section number Title Page31.4.3 Chained timers.............................................................................................................................................52631.5 Initialization and application information.....................................................................................................................52631.6 Example configuration for chained timers....................................................................................................................52731.7 Example configuration for the lifetime timer...............................................................................................................528Chapter 32Low-Power Timer (LPTMR)32.1 Introduction...................................................................................................................................................................53132.1.1 Features........................................................................................................................................................53132.1.2 Modes of operation......................................................................................................................................53132.2 LPTMR signal descriptions..........................................................................................................................................53232.2.1 Detailed signal descriptions.........................................................................................................................53232.3 Memory map and register definition.............................................................................................................................53232.3.1 Low Power Timer Control Status Register (LPTMRx_CSR)......................................................................53332.3.2 Low Power Timer Prescale Register (LPTMRx_PSR)................................................................................53432.3.3 Low Power Timer Compare Register (LPTMRx_CMR).............................................................................53632.3.4 Low Power Timer Counter Register (LPTMRx_CNR)...............................................................................53632.4 Functional description...................................................................................................................................................53732.4.1 LPTMR power and reset..............................................................................................................................53732.4.2 LPTMR clocking..........................................................................................................................................53732.4.3 LPTMR prescaler/glitch filter......................................................................................................................53732.4.4 LPTMR compare..........................................................................................................................................53932.4.5 LPTMR counter...........................................................................................................................................53932.4.6 LPTMR hardware trigger.............................................................................................................................54032.4.7 LPTMR interrupt..........................................................................................................................................540Chapter 33Real Time Clock (RTC)33.1 Introduction...................................................................................................................................................................54133.1.1 Features........................................................................................................................................................54133.1.2 Modes of operation......................................................................................................................................541KL04 Sub-Family Reference Manual, Rev. 3.1, November 201222 Freescale Semiconductor, Inc.
