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71M6521BE
Energy Meter IC
DATA SHEET
JANUARY 2008
GENERAL DESCRIPTION
The TERIDIAN 71M6521BE is a highly integrated SOC with an MPU core,
FLASH and LCD driver. TERIDIAN’s patented Single Converter Technol-
ogy ? with a 22-bit delta-sigma ADC, four analog inputs, digital temperature
compensation, precision voltage reference, battery voltage monitor, and 32-
bit computation engine (CE) supports a wide range of residential metering
applications with very few low-cost external components. A 32kHz crystal
time-base for the entire system further reduces system cost. The IC
supports 2-wire single-phase residential metering along with tamper-
detection mechanisms.
Maximum design flexibility is provided by multiple UARTs, I 2 C, μ Wire, up to
14 DIO pins and in-system programmable FLASH memory, which can be
updated with data or application code in operation.
A complete array of ICE and development tools, programming libraries and
reference designs enable rapid development and certification of AMR and
Prepay meters that comply with worldwide electricity metering standards.
FEATURES
? < 0.4% Wh accuracy over 2000:1 current range
and over temperature
? Exceeds IEC62053 / ANSI C12.20 standards
? Voltage reference < 40ppm/°C
? Four sensor inputs—VDD referenced
? Low jitter Wh test output (10kHz maximum)
? Pulse count for Wh pulse output
? Tamper detection: Neutral current with CT or
shunt
? Line frequency count for time keeping
? Digital temperature compensation
? Sag detection for phase A and B
? Independent 32-bit compute engine
? 46-64Hz line frequency range with same
calibration
? Phase compensation ( ± 7 ° )
A
NEUT
B
CT/SHUNT
LOAD
LOAD
POWER SUPPLY
? Battery monitor
? Three battery modes w/ wake-up on push-button
or timer:
Brownout mode (48μA)
LCD mode (5.7μA)
V3.3A
CONVERTER
IA
VA
IB
V3.3
SYS
TERIDIAN
GNDA GNDD
PWR MODE
CONTROL
WAKE-UP
Sleep mode (2.9μA)
? Energy display on main power failure
? Wake-up with push-button
AMR
IR
POWER
FAULT
32 kHz
RX/DIO1
TX/DIO2
VB
VOLTAGE REF
VREF
VBIAS
SERIAL PORTS
TX
RX
SENSE
DRIVE/MOD
COMPARATOR
V1
OSC/PLL
XIN
XOUT
71M6521BE
TEMP
SENSOR
RAM
FLASH
COMPUTE
ENGINE
MPU
TIMERS
ICE
REGULATOR
VBAT
V2.5
DIO, PULSE
COM0..3
SEG0..18
SEG 24..31/
DIO 4..11
SEG 34..37/
DIO 14..17
SEG 32,33,
38
ICE_E
BATTERY
3.3V LCD
888888.88
I 2 C or μWire
EEPROM
TEST PULSE
V3P3D
GNDD
? 22-bit delta-sigma ADC
? 8-bit MPU (80515), 1 clock cycle per instruction
w/ integrated ICE for MPU debug
? Hardware watchdog timer, power fail monitor
? LCD driver (up to 140 pixels)
? Up to 14 general purpose I/O pins
? 32kHz time base
? 8KB FLASH with security
? 2KB MPU XRAM
? Two UARTs for IR and AMR
? Digital I/O pins compatible with 5V inputs
? 64-pin LQFP
11/14/2007
? Lead Free package
V1.0
? 2005-2008 TERIDIAN Semiconductor Corporation
Page: 1 of 97
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71M6521DE 制造商:TERIDIAN 制造商全称:TERIDIAN 功能描述:Energy Meter IC
71M6521DE-DB 制造商:Maxim Integrated Products 功能描述:Development Boards & Kits - 8051 71M6521DE Demo Brd
71M6521DE-IGT/F 功能描述:计量片上系统 - SoC Residential Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel
71M6521DE-IGT/F1 功能描述:计量片上系统 - SoC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel
71M6521DE-IGTR/F 功能描述:计量片上系统 - SoC Residential Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel
71M6521DE-IGTR/F1 功能描述:计量片上系统 - SoC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel
71M6521DE-IM/F 功能描述:计量片上系统 - SoC Residential Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel