Contents

Introduction Real-Time Clock Calendar (RTCC) Overview RTCC Module Operation RTCC Module Configuration RTCC Module Available Clock Sources RTCC Calibration Reading/Writing RTCC Using Binary Coded Decimal (BCD) Format RTCC Alarm Overview RTCC Alarm Configuration VBAT Overview VBAT Configuration Conclusion Revision History The Microchip Web Site Customer Change Notification Service Customer Support Microchip Devices Code Protection Feature Legal Notice Trademarks Quality Management System Certified by DNV Worldwide Sales and Service