Maxim Integrated 71M6534 Energy Meter IC Family Software - Manual (Page 6)

71M653X Software User’s Guide
5.8 Boot Loader ............................................................................................................................. 64
5.9 Source Files ............................................................................................................................ 64
5.10 Auxiliary Files.......................................................................................................................... 66
5.11 Include/Header Files ............................................................................................................... 66
5.11.1 OPTIONS.H ........................................................................................................................... 66
5.11.2 Register Definitions ................................................................................................................ 67
5.11.3 Other Include/Header Files .................................................................................................... 67
5.12 CE Image Files ........................................................................................................................ 68
5.13 Common MPU Addresses ...................................................................................................... 69
5.14 Firmware Application Information ........................................................................................ 77
5.14.1 General Design Considerations ............................................................................................. 77
5.14.1.1 Multitasking ................................................................................................................... 77
5.14.1.2 Synchronization ............................................................................................................ 77
5.14.1.3 Bank Switching ............................................................................................................. 77
5.14.1.4 Economic Usage of RAM.............................................................................................. 78
5.14.1.5 Trading Space for Speed .............................................................................................. 78
5.14.1.6 Object-Oriented Design ................................................................................................ 78
5.14.1.7 Reconfiguring “Glue Logic” ........................................................................................... 79
5.14.1.8 DSP Operations ............................................................................................................ 79
5.14.1.9 Coping with Various Current Sensors .......................................................................... 79
5.14.1.10 User Interface ............................................................................................................... 79
5.14.1.11 Operating without User Interface .................................................................................. 79
5.14.1.12 Communication with a Computer ................................................................................. 79
5.14.1.13 Support of Automatic Meter Reading ........................................................................... 79
5.14.1.14 Communication between MPU and CE ........................................................................ 80
5.14.1.15 Timing Control .............................................................................................................. 80
5.14.1.16 6531: Calculation of max(VA*IA, VA*IB) Option, Equation 0 ....................................... 80
5.14.1.17 6534: Calculation of VA*IA+VB*IB+VC*IC Option, Equation 5 .................................... 81
5.14.1.18 How Register Data is Stored ........................................................................................ 82
5.14.1.19 Managing Power Failures ............................................................................................. 83
5.14.1.20 Pulse Counting ............................................................................................................. 83
5.14.1.21 Battery Modes ............................................................................................................... 83
5.14.1.22 Real-Time Performance................................................................................................ 83
5.14.2 Firmware Application: Selected Tasks ................................................................................... 84
5.14.2.1 Sag Detection ............................................................................................................... 84
5.14.2.2 Temperature Measurement .......................................................................................... 84
5.14.2.3 Temperature Compensation for Measurements ........................................................... 85
5.14.2.4 Temperature Compensation for the RTC ..................................................................... 85
5.14.2.5 Validating the Battery .................................................................................................... 86
5.15 Alphabetical Function Reference .......................................................................................... 87
5.16 Errata ........................................................................................................................................ 98
5.17 Porting 71M6511/6513 Code to the 71M653x ....................................................................... 99
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