Datasheet

78M6610+LMU Data Sheet
Table of Figures
Figure 1. SPI Timing ........................................................................................................................ 8
Figure 2. I
2
C Timing ......................................................................................................................... 9
Figure 3. QFN Package Pinout ...................................................................................................... 10
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 11. Example Voltage Configurations .................................................................................. 21
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 ........................................................................................................... 51
Figure 28. Device Address Configuration ...................................................................................... 52
Figure 29. SSI Protocol .................................................................................................................. 53
Figure 30. Master Packet Structure ............................................................................................... 54
Figure 31: Signal Timing on the SPI Bus ....................................................................................... 57
Figure 32: Single Word Read Access Timing ................................................................................ 58
Figure 33: Single Word Write Access Timing ................................................................................ 59
Figure 34. I
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C Interface .................................................................................................................. 60
Figure 35. I
2
C Device Address ....................................................................................................... 60
Figure 36. I
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C Bus Characteristics ................................................................................................. 61
Figure 37. I
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C Device Addressing .................................................................................................. 61
Figure 38. Write Operation Single Register ................................................................................... 62
Figure 39. Write Operation Multiple Registers ............................................................................... 62
Figure 40. Read Operation ............................................................................................................ 63
Figure 41. Setting Read Address ................................................................................................... 63
Figure 42. Reading Multiple Registers ........................................................................................... 63
4 Rev 2