ADE7566ASTZF8-RL2 AD [Analog Devices], ADE7566ASTZF8-RL2 Datasheet - Page 2

• Manufacturer Part Number: ADE7566ASTZF8-RL2
• Description: Single-Phase Energy Measurement IC with 8052 MCU, RTC, and LCD Driver
• Manufacturer: AD [Analog Devices]

ADE7566/ADE7569
TABLE OF CONTENTS
General Features ............................................................................... 1
Energy Measurement Features........................................................ 1
Microprocessor Features.................................................................. 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 4
Specifications..................................................................................... 5
Timing Specifications....................................................................... 9
Absolute Maximum Ratings.......................................................... 16
Pin Configuration and Function Descriptions........................... 17
Typical Performance Characteristics ........................................... 19
Terminology .................................................................................... 21
SFR Mapping ................................................................................... 22
Power Management........................................................................ 23
Operating Modes ............................................................................ 31
Energy Measurement ..................................................................... 34
Thermal Resistance .................................................................... 16
ESD Caution................................................................................ 16
Power Management Register Details ....................................... 23
Power Supply Architecture........................................................ 26
Battery Switchover...................................................................... 26
Power Supply Monitor Interrupt (PSM).................................. 27
Using the Power Supply Features ............................................. 29
PSM0 (Normal Mode) ............................................................... 31
PSM1 (Battery Mode) ................................................................ 31
PSM2 (Sleep Mode).................................................................... 31
3.3 V Peripherals and Wake-Up Events................................... 32
Transitioning Between Operating Modes ............................... 33
Using the Power Management Features .................................. 33
Access to Energy Measurement SFRs ...................................... 34
Access to Internal Energy Measurement Registers................ 34
Energy Measurement Registers ................................................ 36
Energy Measurement Internal Registers Details.................... 37
Analog Inputs.............................................................................. 41
Analog-to-Digital Conversion.................................................. 42
di/dt Current Sensor and Digital Integrator
for the ADE7569......................................................................... 44
Power Quality Measurements................................................... 46
Phase Compensation.................................................................. 48
RMS Calculation......................................................................... 48
Active Power Calculation .......................................................... 50
Rev. PrA | Page 2 of 136
Temperature, Battery, and Supply Voltage Measurements........ 65
8052 MCU CORE Architecture.................................................... 70
Interrupt System ............................................................................. 80
Watchdog Timer ............................................................................. 85
LCD Driver...................................................................................... 87
Active Energy Calculation ........................................................ 52
Reactive Power Calculation for the ADE7569 ....................... 55
Reactive Energy Calculation for the ADE7569 ...................... 56
Apparent Power Calculation..................................................... 60
Apparent Energy Calculation ................................................... 61
Ampere-Hour Accumulation ................................................... 62
Energy-to-Frequency Conversion............................................ 63
Energy Register Scaling ............................................................. 63
Energy Measurement Interrupts .............................................. 64
Temperature Measurement ....................................................... 67
Battery Measurement................................................................. 67
External Voltage Measurement ................................................ 68
MCU Registers............................................................................ 70
Basic 8052 Registers ................................................................... 72
Standard 8052 SFRs.................................................................... 73
Memory Overview ..................................................................... 73
Addressing Modes...................................................................... 74
Instruction Set ............................................................................ 76
Read-Modify-Write Instructions ............................................. 78
Instructions That Affect Flags .................................................. 78
Standard 8051 Interrupt Architecture ..................................... 80
Interrupt Architecture ............................................................... 80
Interrupt Registers...................................................................... 80
Interrupt Priority........................................................................ 81
Interrupt Flags ............................................................................ 82
Interrupt Vectors ........................................................................ 84
Interrupt Latency........................................................................ 84
Context Saving............................................................................ 84
LCD Registers ............................................................................. 87
LCD Setup ................................................................................... 90
LCD Timing and Waveforms.................................................... 90
BLINK Mode............................................................................... 91
Display Element Control........................................................... 91
Voltage Generation .................................................................... 92
LCD External Circuitry ............................................................. 92
Preliminary Technical Data