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What is 71M6543F?

This electronic component, produced by the manufacturer "Teridian Semiconductor", performs the same function as "Energy Meter ICs".


71M6543F Datasheet PDF - Teridian Semiconductor

Part Number 71M6543F
Description Energy Meter ICs
Manufacturers Teridian Semiconductor 
Logo Teridian Semiconductor Logo 


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A Maxim Integrated Products Brand
19-5375; Rev 1.2; 4/11
71M6543F/H and 71M6543G/GH
Energy Meter ICs
DATA SHEET
April 2011
GENERAL DESCRIPTION
FEATURES
The 71M6543F, 71M6543H, 71M6543G, and 71M6543GH are
Teridian’s 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, 71M6543H, 71M6543G and 71M6543GH 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, 71M6543H) or 128KB (71M6543G, 71M6543GH) of
flash memory, which can be programmed with code and/or data
during meter operation. High processing and sampling rates
combined with differential inputs offer a powerful metering platform
for commercial and industrial meters with up to class 0.2 accuracy
(71M6543H, 71M6543GH).
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.
0.1% 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/H)
128KB Flash, 5KB RAM (71M6543G/GH)
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
Shunt Current Sensors
C
NEUTRAL
B
A
LOAD
www.DataSheet4U.net
POWER SUPPLY
NEUTRAL
Note: This system is referenced to Neutral
3x TERIDIAN
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
TERIDIAN
PWR MODE
CONTROL
71M6543F/ WAKE-UP
71M6543H/ REGULATOR
71M6543G/
VBAT
71M6543GH 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 of Maxim Integrated
Products, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
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
v1.2 © 2008–2011 Teridian Semiconductor Corporation 1

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71M6543F equivalent
71M6543F/H and 71M6543G/GH Data Sheet
Figures
Figure 1: IC Functional Block Diagram.....................................................................................................9
Figure 2: AFE Block Diagram (Shunts: One-Local, Three-Remotes) ...................................................... 12
Figure 3. AFE Block Diagram (Four CTs)............................................................................................... 13
Figure 4: States in a Multiplexer Frame (MUX_DIV[3:0] = 6) .................................................................. 17
Figure 5: States in a Multiplexer Frame (MUX_DIV[3:0] = 7) .................................................................. 17
Figure 6: General Topology of a Chopped Amplifier............................................................................... 21
Figure 7: CROSS Signal with CHOP_E = 00........................................................................................... 21
Figure 8: RTM Timing ............................................................................................................................ 26
Figure 9. Pulse Generator FIFO Timing ................................................................................................. 28
Figure 10: Samples from Multiplexer Cycle (Frame)............................................................................... 29
Figure 11: Accumulation Interval............................................................................................................ 29
Figure 12: Interrupt Structure................................................................................................................. 46
Figure 13: Automatic Temperature Compensation ................................................................................. 54
Figure 14: Optical Interface.................................................................................................................... 58
Figure 15: Optical Interface (UART1) ..................................................................................................... 58
Figure 16: Connecting an External Load to DIO Pins ............................................................................. 60
Figure 17: LCD Waveforms ................................................................................................................... 65
Figure 18: 3-wire Interface. Write Command, HiZ=0.............................................................................. 67
Figure 19: 3-wire Interface. Write Command, HiZ=1.............................................................................. 68
Figure 20: 3-wire Interface. Read Command......................................................................................... 68
Figure 21: 3-Wire Interface. Write Command when CNT=0................................................................... 68
Figure 22: 3-wire Interface. Write Command when HiZ=1 and WFR=1.................................................. 68
Figure 23: SPI Slave Port - Typical Multi-Byte Read and Write operations.............................................. 70
Figure 24: Voltage, Current, Momentary and Accumulated Energy......................................................... 75
Figure 25: Operation Modes State Diagram ........................................................................................... 76
Figure 26: MPU/CE Data Flow............................................................................................................... 85
Figure 27: Resistive Voltage Divider (Voltage Sensing).......................................................................... 86
Figure 28. CT with Single-Ended Input Connection (Current Sensing).................................................... 86
Figure 29: CT with Differential Input Connection (Current Sensing) ........................................................ 86
Figure 30: Differential Resistive Shunt Connections (Current Sensing)................................................... 86
Figure 31: System Using Three-Remotes and One-Local (Neutral) Sensor ............................................ 87
Figure 32. System Using Current Transformers ..................................................................................... 88
www.DataSheet4U.net
Figure 33: I2C EEPROM Connection...................................................................................................... 94
Figure 34: Connections for UART0 ........................................................................................................ 94
Figure 35: Connection for Optical Components...................................................................................... 95
Figure 36: External Components for the RESET Pin: Push-Button (Left), Production Circuit (Right) ....... 96
Figure 37: External Components for the Emulator Interface ................................................................... 96
Figure 38. Trim Fuse Bit Mapping ........................................................................................................ 118
Figure 39: CE Data Flow: Multiplexer and ADC.................................................................................... 131
Figure 40: CE Data Flow: Scaling, Gain Control, Intermediate Variables for one Phase........................ 131
Figure 41: CE Data Flow: Squaring and Summation Stages................................................................. 132
Figure 42: Wh Error from 200 A to 0.1 A at 60 Hz, 240 VAC ......................Error! Bookmark not defined.
Figure 43: VARh Error from 200 A to 0.1 A at 60 Hz, 240 VAC...................Error! Bookmark not defined.
Figure 44: Wh Error from 200 A to 0.1 A at Various Frequencies (0° Load angle, 240 VAC)............. Error!
Bookmark not defined.
Figure 45: 100-pin LQFP Package Outline........................................................................................... 148
Figure 46: Pinout for the LQFP-100 Package....................................................................................... 149
Figure 47: I/O Equivalent Circuits......................................................................................................... 154
v1.2
© 2008–2011 Teridian Semiconductor Corporation
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Featured Datasheets

Part NumberDescriptionMFRS
71M6543FThe function is Energy Meter ICs. Teridian SemiconductorTeridian Semiconductor
71M6543GThe function is Energy Meter ICs. Teridian SemiconductorTeridian Semiconductor
71M6543GHThe function is Energy Meter ICs. Teridian SemiconductorTeridian Semiconductor

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