ADE5166_09 datasheet(2/156 Pages) AD

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ADE5166/ADE5169/ADE5566/ADE5569

Rev. B | Page 2 of 156

TABLE OF CONTENTS

General Features ............................................................................... 1

Energy Measurement Features........................................................ 1

Microprocessor Features.................................................................. 1

Revision History ............................................................................... 3

General Description ......................................................................... 4

Functional Block Diagrams............................................................. 4

Specifications..................................................................................... 6

Energy Metering ........................................................................... 6

Analog Peripherals ....................................................................... 7

Digital Interface ............................................................................ 8

Timing Specifications ................................................................ 10

Absolute Maximum Ratings.......................................................... 15

Thermal Resistance .................................................................... 15

ESD Caution................................................................................ 15

Pin Configurations and Function Descriptions ......................... 16

Typical Performance Characteristics ........................................... 20

Terminology .................................................................................... 24

Special Function Register (SFR) Mapping .................................. 25

Power Management........................................................................ 27

Power Management Register Details ....................................... 27

Power Supply Architecture........................................................ 30

Battery Switchover...................................................................... 30

Power Supply Management (PSM) Interrupt ......................... 30

Using the Power Supply Features ............................................. 32

Operating Modes ............................................................................ 35

PSM0 (Normal Mode) ............................................................... 35

PSM1 (Battery Mode) ................................................................ 35

PSM2 (Sleep Mode).................................................................... 35

3.3 V Peripherals and Wake-Up Events................................... 36

Transitioning Between Operating Modes ............................... 37

Using the Power Management Features .................................. 37

Energy Measurement ..................................................................... 38

Access to Energy Measurement SFRs ...................................... 38

Access to Internal Energy Measurement Registers................ 38

Energy Measurement Registers ................................................ 41

Energy Measurement Internal Registers Details.................... 42

Interrupt Status/Enable SFRs .................................................... 45

Analog Inputs.............................................................................. 46

Analog-to-Digital Conversion.................................................. 47

Fault Detection (ADE5166/ADE5169 Only).......................... 51

di/dt Current Sensor and Digital Integrator

(ADE5169/ADE5569 Only) ...................................................... 52

Power Quality Measurements................................................... 53

Phase Compensation ................................................................. 55

RMS Calculation ........................................................................ 56

Active Power Calculation .......................................................... 58

Active Energy Calculation ........................................................ 61

Reactive Power Calculation (ADE5169/ADE5569 Only)..... 64

Reactive Energy Calculation (ADE5169/ADE5569 Only) ... 66

Apparent Power Calculation..................................................... 69

Apparent Energy Calculation ................................................... 69

Ampere-Hour Accumulation ................................................... 71

Energy-to-Frequency Conversion............................................ 72

Energy Register Scaling ............................................................. 72

Energy Measurement Interrupts .............................................. 73

Temperature, Battery, and Supply Voltage Measurements........ 74

Temperature Measurement ....................................................... 76

Battery Measurement................................................................. 76

External Voltage Measurement ................................................ 77

8052 MCU Core Architecture....................................................... 79

MCU Registers............................................................................ 79

Basic 8052 Registers ................................................................... 81

Standard 8052 SFRs.................................................................... 83

Memory Overview ..................................................................... 84

Addressing Modes...................................................................... 85

Instruction Set ............................................................................ 86

Read-Modify-Write Instructions ............................................. 88

Instructions That Affect Flags .................................................. 89

Dual Data Pointers ......................................................................... 91

Interrupt System ............................................................................. 92

Standard 8052 Interrupt Architecture ..................................... 92

Interrupt Architecture ............................................................... 92

Interrupt Registers...................................................................... 92

Interrupt Priority........................................................................ 93

Interrupt Flags ............................................................................ 94

Interrupt Vectors ........................................................................ 96

Interrupt Latency........................................................................ 96

Context Saving............................................................................ 96

Watchdog Timer ............................................................................. 97

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