Low Energy Timer - AN0026 - Application Note - Energy Micro

...the world's most energy friendly microcontrollersTable of Contents1. Introduction .............................................................................................................................................. 22. LETIMER Features .................................................................................................................................... 32.1. Compare Registers ......................................................................................................................... 32.2. Top Value ..................................................................................................................................... 32.3. Repeat Modes ............................................................................................................................... 32.4. Clock Source ................................................................................................................................. 42.5. RTC Trigger .................................................................................................................................. 42.6. Underflow Output Action .................................................................................................................. 42.7. Interrupts ....................................................................................................................................... 52.8. Register Access and Synchronization ................................................................................................. 53. Configuration ............................................................................................................................................ 64. Software Examples .................................................................................................................................... 74.1. PWM and Pulses Output .................................................................................................................. 74.2. RTC Triggered Counter ................................................................................................................... 75. Revision History ........................................................................................................................................ 95.1. Revision 1.05 ................................................................................................................................. 95.2. Revision 1.04 ................................................................................................................................. 95.3. Revision 1.03 ................................................................................................................................. 95.4. Revision 1.02 ................................................................................................................................. 95.5. Revision 1.01 ................................................................................................................................. 95.6. Revision 1.00 ................................................................................................................................. 9A. Disclaimer and Trademarks ....................................................................................................................... 10A.1. Disclaimer ................................................................................................................................... 10A.2. Trademark Information ................................................................................................................... 10B. Contact Information ................................................................................................................................. 11B.1. Energy Micro Corporate Headquarters .............................................................................................. 11B.2. Global Contacts ............................................................................................................................ 112013-05-08 - an0026_Rev1.05 12 www.energymicro.com