ADE5566 Datasheet PDF - Analog Devices

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ADE5566
Analog Devices

Part Number ADE5566
Description (ADE5166 - ADE5569) Single-Phase Energy Measurement IC
Page 30 Pages


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Single-Phase Energy Measurement IC with
8052 MCU, RTC, and LCD Driver
ADE5166/ADE5169/ADE5566/ADE5569
GENERAL FEATURES
Wide supply voltage operation: 2.4 V to 3.7 V
Internal bipolar switch between regulated and battery inputs
Ultralow power operation with power saving modes (PSM)
Full operation: 4.4 mA to 1.6 mA (PLL clock dependent)
Battery mode: 3.3 mA to 400 μA (PLL clock dependent)
Sleep mode
Real-time clock (RTC) mode: 1.7 μA
RTC and LCD mode: 38 μA (LCD charge pump enabled)
Reference: 1.2 V ± 0.1% (10 ppm/°C drift)
64-lead, low profile quad flat, RoHS-compliant package (LQFP)
Operating temperature range: −40°C to +85°C
ENERGY MEASUREMENT FEATURES
Proprietary analog-to-digital converters (ADCs) and digital
signal processing (DSP) provide high accuracy active
(watt), reactive (var), and apparent energy (volt-ampere
(VA)) measurement
<0.1% error on active energy over a dynamic range of
1000 to 1 @ 25°C
<0.5% error on reactive energy over a dynamic range of
1000 to 1 @ 25°C (ADE5169 and ADE5569 only)
<0.5% error on root mean square (rms) measurements
over a dynamic range of 500 to 1 for current (Irms) and
100 to 1 for voltage (Vrms) @ 25°C
Supports IEC 62053-21; IEC 62053-22; IEC 62053-23;
EN 50470-3 Class A, Class B, and Class C; and ANSI C12-16
Differential input with programmable gain amplifiers (PGAs)
www.DatasSuhpepeot4rUts.csohmunts, current transformers, and di/dt current
sensors (ADE5169 and ADE5569 only)
2 current inputs for antitamper detection in the ADE5166/
ADE5169
High frequency outputs proportional to Irms, active, reactive,
or apparent power (AP)
Table 1. Features Available on Each Part
Part No.
Antitamper
Watt, VA,
Irms, Vrms
Var
ADE5166 Yes
Yes No
ADE5169 Yes
Yes Yes
ADE5566 No
Yes No
ADE5569 No
Yes Yes
di/dt
Sensor
No
Yes
No
Yes
MICROPROCESSOR FEATURES
8052-based core
Single-cycle 4 MIPS 8052 core
8052-compatible instruction set
32.768 kHz external crystal with on-chip PLL
2 external interrupt sources
External reset pin
Low power battery mode
Wake-up from I/O, temperature change, alarm, and
universal asynchronous receiver/transmitter (UART)
LCD driver operation with automatic scrolling
Temperature measurement
Real-time clock (RTC)
Counter for seconds, minutes, hours, days, months,
and years
Date counter, including leap year compensation
Automatic battery switchover for RTC backup
Operation down to 2.4 V
Ultralow battery supply current: 1.7 μA
Selectable output frequency: 1 Hz to 16 kHz
Embedded digital crystal frequency compensation for
calibration and temperature variation of 2 ppm resolution
Integrated LCD driver
108-segment driver for the ADE5566 and ADE5569
104-segment driver for the ADE5166 and ADE5169
2×, 3×, or 4× multiplexing
4 LCD memory banks for screen scrolling
LCD voltages generated internally or with external resistors
Internal adjustable drive voltages up to 5 V independent
of power supply level
On-chip peripherals
2 independent UART interfaces
SPI or I2C
Watchdog timer
Power supply management with user-selectable levels
Memory: 62 kB flash memory, 2.256 kB RAM
Development tools
Single-pin emulation
IDE-based assembly and C source debugging
Rev. B
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113 ©2008–2009 Analog Devices, Inc. All rights reserved.



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ADE5166/ADE5169/ADE5566/ADE5569
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
wwwU.DsaintagSthheeePt4oUw.ceormSupply 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
Rev. B | Page 2 of 156



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ADE5166/ADE5169/ADE5566/ADE5569
Writing to the Watchdog Timer SFR (WDCON, Address
0xC0).............................................................................................98
Watchdog Timer Interrupt.........................................................98
LCD Driver ......................................................................................99
LCD Registers ..............................................................................99
LCD Setup ................................................................................. 102
LCD Timing and Waveforms ................................................. 102
Blink Mode................................................................................ 103
Scrolling Mode ......................................................................... 103
Display Element Control......................................................... 103
Voltage Generation .................................................................. 104
LCD External Circuitry........................................................... 104
LCD Function in PSM2 Mode ............................................... 105
Flash Memory ............................................................................... 106
Flash Memory Overview......................................................... 106
Flash Memory Organization................................................... 106
Using the Flash Memory ......................................................... 107
Protecting the Flash Memory ................................................. 110
In-Circuit Programming ......................................................... 112
Timers ............................................................................................ 113
Timer Registers......................................................................... 113
Timer 0 and Timer 1................................................................ 115
Timer 2 ...................................................................................... 116
PLL ................................................................................................. 118
PLL Registers ............................................................................ 118
www.DaRteaaSlh-Teeimt4eUC.cloomck (RTC) .............................................................. 119
Access to RTC SFRs ................................................................. 119
Access to Internal RTC Registers ........................................... 119
RTC SFRs .................................................................................. 120
RTC Registers ........................................................................... 123
RTC Calendar ........................................................................... 124
RTC Interrupts ......................................................................... 125
RTC Crystal Compensation.................................................... 126
REVISION HISTORY
11/09—Rev. A to Rev. B
Deleted RTCCAL Function ......................................... Throughout
Changes to Fault Detection (ADE5166/ADE5169
Only) Section ...................................................................................51
2/09—Rev. 0 to Rev. A
Added ADE5566/ADE5569 .............................................. Universal
Changes to General Features and Microprocessor Features .......1
Change to Figure 29, Figure 30, and Figure 31 ...........................23
Changes to Figure 46 ......................................................................49
UART Serial Interface...................................................................127
UART SFRs ................................................................................127
UART Operation Modes ..........................................................130
UART Baud Rate Generation ..................................................131
UART Additional Features ......................................................133
UART2 Serial Interface.................................................................134
UART2 SFRs ..............................................................................134
UART2 Operation Modes........................................................136
UART2 Baud Rate Generation ................................................136
UART2 Additional Features ....................................................137
Serial Peripheral Interface (SPI)..................................................138
SPI Registers ..............................................................................138
SPI Pins.......................................................................................141
SPI Master Operating Modes ..................................................142
SPI Interrupt and Status Flags .................................................143
I2C-Compatible Interface .............................................................144
Serial Clock Generation ...........................................................144
Slave Addresses..........................................................................144
I2C Registers...............................................................................144
Read and Write Operations .....................................................145
I2C Receive and Transmit FIFOs.............................................146
I/O Ports .........................................................................................147
Parallel I/O.................................................................................147
I/O Registers ..............................................................................148
Port 0...........................................................................................151
Port 1...........................................................................................151
Port 2...........................................................................................151
Determining the Version of the
ADE5166/ADE5169/ADE5566/ADE5569 ................................152
Outline Dimensions......................................................................153
Ordering Guide .........................................................................153
Changes to Figure 59 ......................................................................56
Changes to Figure 61 ......................................................................57
Change to Figure 73........................................................................67
Changes to Figure 89 ......................................................................95
Changes to Figure 103 ..................................................................120
Changes to Determining the Version of the
ADE5166/ADE5169/ADE5566/ADE5569 Section ..................152
Changes to Ordering Guide.........................................................153
10/08—Revision 0: Initial Version
Rev. B | Page 3 of 156



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ADE5166/ADE5169/ADE5566/ADE5569
GENERAL DESCRIPTION
The ADE5166/ADE5169/ADE5566/ADE55691 integrate the
Analog Devices, Inc., energy (ADE) metering IC analog front
end and fixed function DSP solution with an enhanced 8052 MCU
core, a full RTC, an LCD driver, and all the peripherals to make
an electronic energy meter with an LCD display in a single part.
The ADE measurement core includes active, reactive, and apparent
energy calculations, as well as voltage and current rms measure-
ments. This information is accessible for energy billing by using the
built-in energy scalars. Many power line supervisory features such
as SAG, peak, and zero crossing are included in the energy
measurement DSP to simplify energy meter design.
1 Patents pending.
The microprocessor functionality includes a single-cycle 8052 core,
a full RTC with a power supply backup pin, an SPI or I2C interface,
and two independent UART interfaces. The ready-to-use infor-
mation from the ADE core reduces the requirement for program
memory size, making it easy to integrate complicated design into
62 kB of flash memory.
The ADE5166/ADE5169 include a 104-segment LCD driver and
the ADE5566/ADE5569 include a 108-segment LCD driver, each
with the capability to store up to four LCD screens in memory. This
driver generates voltages capable of driving LCDs up to 5 V.
FUNCTIONAL BLOCK DIAGRAMS
57 43 42
38 39 40 41 39 38 7 6
45 11 43 42 41 40 39 38 37 36 5 6 7 8 9 10
1.20V
REF
SPI/I2C
SERIAL
INTERFACE
3 × 16-BIT
COUNTER
TIMERS
ADE5166/ADE5169
IPA 52
IN 53
IPB 55
+
P–GA1
+
P–GA1
ADC
ADC
ENERGY
MEASUREMENT
DSP
VP 49
+
PGA2
www.DataSVhNee5t04U.com
DGND 63
AGND 54
TEMP
SENSOR
ADC
TEMP
ADC
PROGRAM MEMORY
62kB FLASH
USER RAM
256 BYTES
USER XRAM
2kB
VBAT 58
BATTERY
ADC
POWER SUPPLY
CONTROL AND
MONITORING
VSW
ADC
POR
LDO LDO
3V/5V LCD
CHARGE PUMP
SINGLE
CYCLE
8052
MCU
WATCHDOG
TIMER
104-SEGMENT
LCD DRIVER
UART2
TIMER
DOWNLOADER
DEBUGGER
UART
TIMER
UART
SERIAL
PORT
UART2
SERIAL
PORT
RTC
PLL
OSC
64
60
61 62
59
56 51
36 37 44 38
47 46 48
12 P2.0/FP18
13 P2.1/FP17
14 P2.2/FP16
44 P2.3 (SDEN/P2.3/TxD2)
19 LCDVP1
16 LCDVP2
18 LCDVA
17 LCDVB
15 LCDVC
4 COM0
...
1 COM3
35 FP0
...
20 FP15
14 FP16
13 FP17
12 FP18
11 FP19
10 FP20
9 FP21
8 FP22
7 FP23
6 FP24
5 FP25
1 FP27
2 FP28
45
Figure 1. ADE5166/ADE5169 Functional Block Diagram
Rev. B | Page 4 of 156



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