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Silergy

71M6543G Datasheet Preview

71M6543G Datasheet

Energy Meter

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GENERAL DESCRIPTION
The 71M6543F/71M6543G are 4th-generation polyphase metering
systems-on-chips (SoCs) with a 5MHz 8051-compatible MPU core,
low-power real-time clock (RTC) with digital temperature
compensation, flash memory, and LCD driver. Our Single
Converter Technology® with a 22-bit delta-sigma ADC, seven
analog inputs, digital metrology temperature compensation,
precision voltage reference, and a 32-bit computation engine (CE)
supports a wide range of metering applications with very few
external components.
The 71M6543F/71M6543G support optional interfaces to the
71M6xx3 series of isolated sensors that offer BOM cost reduction,
immunity to magnetic tamper, and enhanced reliability. The ICs
feature ultra-low-power operation in active and battery modes, 5KB
shared RAM, and 64KB (71M6543F) or 128KB (71M6543G) of
flash memory, which can be programmed with code and/or data
during meter operation.
A complete array of code development tools, demonstration code,
and reference designs enable rapid development and certification of
meters that meet all ANSI and IEC electricity metering standards
worldwide.
Shunt Current Sensors
C
NEUTRAL
B
LOAD
A
POWER SUPPLY
NEUTRAL
Note: This system is referenced to Neutral
3x 71M6xx3
Pulse Transformers
AMR
IR
HOST
MUX and ADC
IADC0
IADC1
}IN*
VADC10 (VC)
IADC6
IADC7
}IC
VADC9 (VB)
IADC4
IADC5
}IB
VADC8 (VA)
IADC2
IADC3
}IA
V3P3A V3P3SYS GNDA GNDD
PWR MODE
CONTROL
WAKE-UP
71M6543F/ REGULATOR
71M6543G
VBAT
VBAT_RTC
TEMPERATURE BATTERY
SENSOR
MONITOR
VREF
SERIAL PORTS
TX
RX
MODUL- RX
ATOR TX
POWER FAULT
COMPARATOR
SPI INTERFACE
RAM
COMPUTE
ENGINE
FLASH
MEMORY
MPU
RTC
TIMERS
ICE
COM0...5
SEG
SEG/DIO
LCD DRIVER
DIO, PULSES
DIO
V3P3D
OSCILLATOR/
PLL XIN
XOUT
*IN = Neutral Current
9/17/2010
BATTERY
RTC
BATTERY
LCD DISPLAY
8888.8888
PULSES,
DIO
I2C or µWire
EEPROM
32 kHz
Single Converter Technology is a registered trademark Silergy Corp
MICROWIRE is a registered trademark of National Semiconductor Corp.
71M6543F/71M6543G
Energy Meter ICs
FEATURES
0.1% Typical Accuracy Over 2000:1 Current
Range
Exceeds IEC 62053/ANSI C12.20 Standards
Seven Sensor Inputs with Neutral Current
Measurement, Differential Mode Selectable
for Current Inputs
Selectable Gain of 1 or 8 for One Current
Input to Support Shunts
High-Speed Wh/VARh Pulse Outputs with
Programmable Width
64KB Flash, 5KB RAM (71M6543F)
128KB Flash, 5KB RAM (71M6543G)
Up to Four Pulse Outputs with Pulse Count
Four-Quadrant Metering, Phase Sequencing
Digital Temperature Compensation:
Metrology Compensation
Accurate RTC for TOU Functions with
Automatic Temperature Compensation
for Crystal in All Power Modes
Independent 32-Bit Compute Engine
46-64Hz Line Frequency Range with the Same
Calibration
Phase Compensation (7)
Three Battery-Backup Modes:
Brownout Mode
LCD Mode
Sleep Mode
Wake-Up on Pin Events and Wake-on-Timer
1µA in Sleep Mode
Flash Security
In-System Program Update
8-Bit MPU (80515), Up to 5MIPS
Full-Speed MPU Clock in Brownout Mode
LCD Driver:
6 Common Segment Drivers
Up to 56 Selectable Pins
Up to 51 Multifunction DIO Pins
Hardware Watchdog Timer (WDT)
I2C/MICROWIRE® EEPROM Interface
SPI Interface with Flash Program Capability
Two UARTs for IR and AMR
IR LED Driver with Modulation
Industrial Temperature Range
100-Pin Lead-Free LQFP Package
Rev 3; 4/16




Silergy

71M6543G Datasheet Preview

71M6543G Datasheet

Energy Meter

No Preview Available !

71M6543F/71M6543G Data Sheet
Table of Contents
1 Introduction ....................................................................................................................................... 10
2 Hardware Description....................................................................................................................... 11
2.1 Hardware Overview ................................................................................................................... 11
2.2 Analog Front-End (AFE) ............................................................................................................ 12
2.2.1 Signal Input Pins ............................................................................................................ 13
2.2.2 Input Multiplexer............................................................................................................. 14
2.2.3 Delay Compensation ..................................................................................................... 19
2.2.4 ADC Pre-Amplifier ......................................................................................................... 20
2.2.5 A/D Converter (ADC) ..................................................................................................... 20
2.2.6 FIR Filter ........................................................................................................................ 20
2.2.7 Voltage References ....................................................................................................... 20
2.2.8 71M6xx3 Isolated Sensor Interface ............................................................................... 22
2.3 Digital Computation Engine (CE) ............................................................................................... 25
2.3.1 CE Program Memory ..................................................................................................... 25
2.3.2 CE Data Memory ........................................................................................................... 25
2.3.3 CE Communication with the MPU ................................................................................. 25
2.3.4 Meter Equations............................................................................................................. 26
2.3.5 Real-Time Monitor (RTM) .............................................................................................. 26
2.3.6 Pulse Generators ........................................................................................................... 26
2.3.7 CE Functional Overview ................................................................................................ 28
2.4 80515 MPU Core ....................................................................................................................... 30
2.4.1 Memory Organization and Addressing .......................................................................... 30
2.4.2 Special Function Registers (SFRs)................................................................................ 32
2.4.3 Generic 80515 Special Function Registers ................................................................... 33
2.4.4 Instruction Set ................................................................................................................ 35
2.4.5 UARTs ........................................................................................................................... 35
2.4.6 Timers and Counters ..................................................................................................... 38
2.4.7 WD Timer (Software Watchdog Timer) ......................................................................... 39
2.4.8 Interrupts........................................................................................................................ 39
2.5 On-Chip Resources ................................................................................................................... 46
2.5.1 Physical Memory............................................................................................................ 46
2.5.2 Oscillator ........................................................................................................................ 48
2.5.3 PLL and Internal Clocks................................................................................................. 49
2.5.4 Real-Time Clock (RTC) ................................................................................................. 49
2.5.5 71M6543 Temperature Sensor...................................................................................... 53
2.5.6 71M6xx3 Temperature Sensor ...................................................................................... 56
2.5.7 71M6543 Battery Monitor .............................................................................................. 56
2.5.8 71M6xx3 VCC Monitor................................................................................................... 56
2.5.9 UART and Optical Interface........................................................................................... 56
2.5.10 Digital I/O and LCD Segment Drivers ............................................................................ 57
2.5.11 EEPROM Interface ........................................................................................................ 65
2.5.12 SPI Slave Port................................................................................................................ 67
2.5.13 Hardware Watchdog Timer............................................................................................ 71
2.5.14 Test Ports (TMUXOUT and TMUX2OUT Pins) ............................................................. 72
3 Functional Description ..................................................................................................................... 74
3.1 Theory of Operation ................................................................................................................... 74
3.2 Battery Modes ............................................................................................................................ 74
3.2.1 BRN Mode ..................................................................................................................... 77
2 v3


Part Number 71M6543G
Description Energy Meter
Maker Silergy
PDF Download

71M6543G Datasheet PDF






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