71M6543G 반도체 회로 부품 판매점
Energy Meter ICs
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 Teridian Semiconductor |
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
71M6543F/H and 71M6543G/GH 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 80515 Power Reduction Modes................................................................................. 35
2.4.6 UARTs ...................................................................................................................... 36
2.4.7 Timers and Counters ................................................................................................. 38
2.4.8 WD Timer (Software Watchdog Timer) ...................................................................... 40
2.4.9 Interrupts................................................................................................................... 40
2.5 On-Chip Resources............................................................................................................... 47
www.DataSheet4U.net
2.5.1 Physical Memory....................................................................................................... 47
2.5.2 Oscillator................................................................................................................... 49
2.5.3 PLL and Internal Clocks............................................................................................. 50
2.5.4 Real-Time Clock (RTC) ............................................................................................. 51
2.5.5 71M6543 Temperature Sensor .................................................................................. 55
2.5.6 71M6xx3 Temperature Sensor .................................................................................. 56
2.5.7 71M6543 Battery Monitor .......................................................................................... 57
2.5.8 71M6xx3 VCC Monitor .............................................................................................. 57
2.5.9 UART and Optical Interface....................................................................................... 57
2.5.10 Digital I/O and LCD Segment Drivers......................................................................... 58
2.5.11 EEPROM Interface.................................................................................................... 66
2.5.12 SPI Slave Port........................................................................................................... 68
2.5.13 Hardware Watchdog Timer........................................................................................ 72
2.5.14 Test Ports (TMUXOUT and TMUX2OUT Pins)........................................................... 73
3 Functional Description ................................................................................................................ 75
2
© 2008–2011 Teridian Semiconductor Corporation
v1.2
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관련 데이터시트
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