ATM90E32AS-AU-R datasheet(4/84 Pages) ATMEL

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M90E32AS [Datasheet]

Atmel-46003B-SE-M90E32AS-Datasheet_02122015

4 SPI INTERFACE ............................................................................................................................ 30

4.1 INTERFACE DESCRIPTION .................................................................................................................................30

4.2 SPI INTERFACE ....................................................................................................................................................30

4.2.1 SPI Slave Interface Format ....................................................................................................................... 30

4.2.2 Reliability Enhancement Feature ............................................................................................................. 31

5 REGISTER ..................................................................................................................................... 32

5.1 REGISTER LIST ....................................................................................................................................................32

5.2 SPECIAL REGISTERS ..........................................................................................................................................39

5.2.1 Configuration Registers CRC Generation .............................................................................................. 39

5.2.2 IRQ and WarnOut Signal Generation ...................................................................................................... 40

5.2.3 Special Configuration Registers .............................................................................................................. 45

5.3 LOW-POWER MODES REGISTERS ....................................................................................................................48

5.3.1 Detection Mode Registers ........................................................................................................................ 48

5.3.2 Partial Measurement mode Registers ..................................................................................................... 50

5.4 CONFIGURATION AND CALIBRATION REGISTERS .........................................................................................55

5.4.1 Configuration Registers ........................................................................................................................... 55

5.4.2 Energy Calibration Registers ................................................................................................................... 57

5.4.3 Fundamental/Harmonic Energy Calibration registers ........................................................................... 58

5.4.4 Measurement Calibration ......................................................................................................................... 59

5.4.5 EMM Status ................................................................................................................................................ 59

5.5 ENERGY REGISTER .............................................................................................................................................67

5.5.1 Regular Energy Registers ........................................................................................................................ 67

5.5.2 Fundamental / Harmonic Energy Register .............................................................................................. 68

5.6 MEASUREMENT REGISTERS ..............................................................................................................................69

5.6.1 Power and Power Factor Registers ......................................................................................................... 69

5.6.2 Fundamental/ Harmonic Power and Voltage/ Current RMS Registers ................................................. 70

5.6.3 Peak, Frequency, Angle and Temperature Registers ............................................................................ 71

6 ELECTRICAL SPECIFICATION .................................................................................................... 72

6.1 ELECTRICAL SPECIFICATION ............................................................................................................................72

6.2 METERING/ MEASUREMENT ACCURACY .........................................................................................................74

6.2.1 Metering Accuracy .................................................................................................................................... 74

6.2.2 Measurement Accuracy ............................................................................................................................ 75

6.3 INTERFACE TIMING .............................................................................................................................................76

6.3.1 SPI Interface Timing (Slave Mode) .......................................................................................................... 76

6.4 POWER ON RESET TIMING .................................................................................................................................77

6.5 ZERO-CROSSING TIMING ....................................................................................................................................78

6.6 VOLTAGE SAG AND PHASE LOSS TIMING .......................................................................................................79

6.7 ABSOLUTE MAXIMUM RATING ..........................................................................................................................80

ORDERING INFORMATION .............................................................................................................. 81

PACKAGE DIMENSIONS .................................................................................................................. 82

REVISION HISTORY ......................................................................................................................... 83

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