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ETM62E-02 Seiko Epson Corporation 4
14.1.1. Clock Counter ................................................................................................................. 25
14.1.2. Week Counter................................................................................................................. 26
14.1.3. Calendar Counter ........................................................................................................... 26
14.2. Wake-up Timer Interrupt Function ................................................................................................ 27
14.2.1. Related Registers For Function Of Wake-up Timer Interrupt Function ........................... 27
14.2.2. Wake-up Timer Start Timing ........................................................................................... 30
14.2.3. Interruption period of wake-up Timer. ............................................................................. 30
14.2.4. Diagram of Wake-up Timer Interrupt Function................................................................ 31
14.3. Alarm Interrupt Function ............................................................................................................... 32
14.3.1. Related Registers for Alarm Interrupt Functions. ............................................................ 32
14.3.2. Examples Of Alarm Settings ........................................................................................... 33
14.4. Time Update Interrupt Function .................................................................................................... 35
14.4.1. Related Registers For Time Update Interrupt Functions. ............................................... 35
14.4.2. Time Update Interrupt Function Diagram ....................................................................... 36
14.5. Status Monitoring Function ........................................................................................................... 37
14.5.1. Related Registers For Status Monitoring. ....................................................................... 37
14.6.FOUT Function [Clock Output Function] ....................................................................................... 38
14.6.1. FOUT Control Register ................................................................................................... 38
14.6.2. FOUT Function Table ..................................................................................................... 38
14.7. Battery Backup Switchover Function ............................................................................................ 39
14.7.1. Description of Battery Backup Switchover Function ....................................................... 39
14.8. Time Stamp Function .................................................................................................................... 43
14.8.1. Description Of Time Stamp Function .............................................................................. 43
14.8.2. Related Registers For Time Stamp Functions. ............................................................... 43
14.8.3. Time Stamp function triggered by SPI Access................................................................ 45
14.8.4. Time Stamp Record Register. ........................................................................................ 46
14.8.5. RTC Self Monitoring Time stamp Function ..................................................................... 47
14.8.6. Time Stamp Record Register ......................................................................................... 47
14.8.7. Multiple Time Stamp ....................................................................................................... 48
14.9. Flow Chart .................................................................................................................................... 50
14.10. Reading/Writing Data via the SPI-Bus Interface ......................................................................... 56
14.10.1 Write / Read and Bank Select........................................................................................ 56
14.10.2 Write of Data.................................................................................................................. 56
14.10.3 Read of Data ................................................................................................................. 56
15. Connection example .................................................................................................. 57
16.Tables ......................................................................................................................... 58
17.Figures ........................................................................................................................ 59
Contacts .......................................................................................................................... 60