78M6610+LMU Data Sheet
Table of Figures
Figure 1. SPI Timing ..................................................................................................................................... 8
Figure 2. I2C Timing ...................................................................................................................................... 9
Figure 4. Package Outline........................................................................................................................... 11
Figure 5. Block Diagram.............................................................................................................................. 12
Figure 6. Crystal Connections..................................................................................................................... 13
Figure 7. Reset Connections ...................................................................................................................... 14
Figure 8. AFE Input Multiplexer .................................................................................................................. 16
Figure 9. Voltage Input Configuration ......................................................................................................... 20
Figure 10. Voltage Computation ................................................................................................................. 20
Figure 12. Voltage Input Flowchart............................................................................................................. 22
Figure 13. Current Input Configuration ....................................................................................................... 23
Figure 14. Current Computation ................................................................................................................. 23
Figure 15. Current Configuration Examples................................................................................................ 24
Figure 16. Current Input Flowchart ............................................................................................................. 25
Figure 17. Peak Voltage Computation........................................................................................................ 28
Figure 18. RMS Voltage Computation ........................................................................................................ 28
Figure 19. Peak Current Computation ........................................................................................................ 29
Figure 20. RMS Current Computation ........................................................................................................ 30
Figure 21. Active Power Computation ........................................................................................................ 31
Figure 22. Reactive Power Computation .................................................................................................... 32
Figure 23. Apparent Power Computation.................................................................................................... 32
Figure 24. Min/Max Tracking....................................................................................................................... 36
Figure 25. Voltage Sag ............................................................................................................................... 38
Figure 26. Relay Timing.............................................................................................................................. 41
Figure 27. RS-485 Interface........................................................................................................................ 49
Figure 28. Device Address Configuration ................................................................................................... 50
Figure 29. SSI Protocol............................................................................................................................... 51
Figure 30. Master Packet Structure ............................................................................................................ 51
Figure 31. SPI Interface .............................................................................................................................. 55
Figure 32. SPI Timing Continuous Clock.................................................................................................... 57
Figure 33. SPI Timing Gapped Clock ......................................................................................................... 57
Figure 34. I2C Interface............................................................................................................................... 58
Figure 35. I2C Device Address.................................................................................................................... 58
Figure 36. I2C Bus Characteristics.............................................................................................................. 59
Figure 37. I2C Device Addressing............................................................................................................... 59
Figure 38. Write Operation⎯Single Register .............................................................................................. 60
Figure 39. Write Operation⎯Multiple Registers .......................................................................................... 60
Figure 40. Read Operation.......................................................................................................................... 61
Figure 41. Setting Read Address................................................................................................................ 61
Figure 42. Reading Multiple Registers........................................................................................................ 61
4
Rev 0
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
