ADE7518ASTZF16-RL Analog Devices Inc, ADE7518ASTZF16-RL Datasheet - Page 2

• Manufacturer Part Number: ADE7518ASTZF16-RL
• Description: 1-Phase Energy Meter IC
• Manufacturer: Analog Devices Inc

Specifications of ADE7518ASTZF16-RL

• Applications: Energy Measurement
• Core Processor: 8052
• Program Memory Type: FLASH (16 kB)
• Controller Series: ADE75xx
• Ram Size: 512 x 8
• Interface: I²C, SPI, UART
• Number Of I /o: 20
• Voltage - Supply: 3.135 V ~ 3.465 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 64-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ADE7518
TABLE OF CONTENTS
General Features ............................................................................... 1
Energy Measurement Features ........................................................ 1
Microprocessor Features .................................................................. 1
Revision History ............................................................................... 3
General Description ......................................................................... 4
Functional Block Diagram .............................................................. 4
Specifications ..................................................................................... 5
Absolute Maximum Ratings .......................................................... 14
Pin Configuration and Function Descriptions ........................... 15
Typical Performance Characteristics ........................................... 17
Terminology .................................................................................... 20
SFR Mapping ................................................................................... 21
Power Management ........................................................................ 22
Operating Modes ............................................................................ 30
Energy Measurement ..................................................................... 33
Energy Metering ........................................................................... 5
Analog Peripherals ....................................................................... 6
Digital Interface ............................................................................ 7
Timing Specifications .................................................................. 9
Thermal Resistance .................................................................... 14
ESD Caution ................................................................................ 14
Power Management Register Details ....................................... 22
Power Supply Architecture ........................................................ 25
Battery Switchover ...................................................................... 25
Power Supply Management (PSM) Interrupt ......................... 26
Using the Power Supply Features ............................................. 28
PSM0 (Normal Mode) ............................................................... 30
PSM1 (Battery Mode) ................................................................ 30
PSM2 (Sleep Mode) .................................................................... 30
3.3 V Peripherals and Wake-Up Events ................................... 31
Transitioning Between Operating Modes ............................... 32
Using the Power Management Features .................................. 32
Access to Energy Measurement SFRs ...................................... 33
Access to Internal Energy Measurement Registers ................ 33
Energy Measurement Registers ................................................ 35
Energy Measurement Internal Registers Details .................... 36
Interrupt Status/Enable SFRs .................................................... 38
Analog Inputs .............................................................................. 40
Analog-to-Digital Conversion .................................................. 41
Power Quality Measurements ................................................... 44
Rev. 0 | Page 2 of 128
8052 MCU CORE Architecture .................................................... 63
Dual Data Pointers ......................................................................... 73
Interrupt System ............................................................................. 74
Watchdog Timer ............................................................................. 79
LCD Driver ...................................................................................... 81
Phase Compensation ................................................................. 46
RMS Calculation ........................................................................ 46
Active Power Calculation .......................................................... 48
Active Energy Calculation ........................................................ 50
Reactive Power Calculation ...................................................... 53
Reactive Energy Calculation ..................................................... 54
Apparent Power Calculation ..................................................... 58
Apparent Energy Calculation ................................................... 59
Ampere-Hour Accumulation ................................................... 60
Energy-to-Frequency Conversion............................................ 61
Energy Register Scaling ............................................................. 62
Energy Measurement Interrupts .............................................. 62
MCU Registers ............................................................................ 63
Basic 8052 Registers ................................................................... 65
Standard 8052 SFRs .................................................................... 66
Memory Overview ..................................................................... 66
Addressing Modes ...................................................................... 67
Instruction Set ............................................................................ 69
Read-Modify-Write Instructions ............................................. 71
Instructions That Affect Flags .................................................. 71
Standard 8052 Interrupt Architecture ..................................... 74
Interrupt Architecture ............................................................... 74
Interrupt Registers...................................................................... 74
Interrupt Priority ........................................................................ 75
Interrupt Flags ............................................................................ 76
Interrupt Vectors ........................................................................ 78
Interrupt Latency ........................................................................ 78
Context Saving ............................................................................ 78
LCD Registers ............................................................................. 81
LCD Setup ................................................................................... 84
LCD Timing and Waveforms .................................................... 84
Blink Mode .................................................................................. 85
Display Element Control ........................................................... 85
LCD External Circuitry ............................................................. 86
LCD Function in PSM2 ............................................................. 86