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부품번호 | 71M6521FE 기능 |
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기능 | Energy Meter IC | ||
제조업체 | TERIDIAN Semiconductor | ||
로고 | |||
전체 30 페이지수
www.DataSheet4U.com
71M6521DE/71M6521FE
Energy Meter IC
DATA SHEET
JANUARY 2008
GENERAL DESCRIPTION
The TERIDIAN 71M6521DE/FE is a highly integrated SOC with an MPU
core, RTC, FLASH and LCD driver. TERIDIAN’s patented Single Converter
Technology™ 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 re-
sidential metering applications with very few low-cost external components.
A 32kHz crystal time base for the entire system and internal battery backup
support for RAM and RTC further reduce system cost. The IC supports 2-
wire, 3-wire and 4-wire single-phase and dual-phase residential metering
along with tamper-detection mechanisms.
Maximum design flexibility is provided by multiple UARTs, I2C, μWire, up to
18 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 TOU, AMR
and Prepay meters that comply with worldwide electricity metering stan-
dards.
A
NEUT
B
CT/SHUNT
LOAD
LOAD
POWER SUPPLY
AMR
RX/DIO1
IR TX/DIO2
POWER
FAULT
32 kHz
CONVERTER
IA
VA
IB
VB
VOLTAGE REF
VREF
VBIAS
SERIAL PORTS
TX
RX
SENSE
DRIVE/MOD
COMPARATOR
V1
OSC/PLL
XIN
XOUT
V3.3A
V3.3
SYS
TERIDIAN
71M6521
GNDA GNDD
PWR MODE
CONTROL
WAKE-UP
REGULATOR
VBAT
V2.5
TEMP
SENSOR
DIO, PULSE
RAM
FLASH
COMPUTE
ENGINE
MPU
RTC
TIMERS
COM0..3
SEG0..18
SEG 24..31/
DIO 4..11
SEG 34..37/
DIO 14..17
SEG 32,33,
38/ICE
ICE_E
ICE
07/25/2007
BATTERY
3.3V LCD
88.88.8888
IIC or uWire
EEPROM
TEST PULSES
V3P3D
GNDD
FEATURES
• < 0.4% Wh accuracy over 2000:1 current range
and over temperature
• Exceeds IEC62053 / ANSIC12.20 standards
• Voltage reference < 40ppm/°C
• Four sensor inputs—VDD referenced
• Low jitter Wh and VARh pulse test outputs
(10kHz maximum)
• Pulse count for pulse outputs
• Four-quadrant metering
• Tamper detection
Neutral current with CT or shunt
• Line frequency count for RTC
• 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°)
• Battery backup for RTC and battery monitor
• Three battery modes w/ wake-up on push-button
or timer:
Brownout mode (48µA)
LCD mode (5.7µA)
Sleep mode (2.9µA)
• Energy display on main power failure
• Wake-up with push-button
• 22-bit delta-sigma ADC
• 8-bit MPU (80515), 1 clock cycle per instruction
w/ integrated ICE for MPU debug
• RTC with temperature compensation
• Auto-Calibration
• Hardware watchdog timer, power fail monitor
• LCD driver (up to 152 pixels)
• Up to 18 general purpose I/O pins
• 32kHz time base
• 16KB (6521DE) or 32KB (6521FE) FLASH with
security
• 2KB MPU XRAM
• Two UARTs for IR and AMR
• Digital I/O pins compatible with 5V inputs
• 64-pin LQFP or 68-pin QFN package
• Lead-Free packages
v1.0
© 2005-2008 TERIDIAN Semiconductor Corporation
Page: 1 of 101
www.DataSheet4U.com
71M6521DE/71M6521FE
Energy Meter IC
DATASHEET
JANUARY 2008
CE Calculations ...............................................................................................................................80
CE STATUS ....................................................................................................................................80
CE TRANSFER VARIABLES ..........................................................................................................82
ELECTRICAL SPECIFICATIONS ................................................................................................................................86
ABSOLUTE MAXIMUM RATINGS ................................................................................................................86
RECOMMENDED EXTERNAL COMPONENTS ...........................................................................................87
RECOMMENDED OPERATING CONDITIONS ............................................................................................87
PERFORMANCE SPECIFICATIONS ............................................................................................................88
INPUT LOGIC LEVELS ...................................................................................................................88
OUTPUT LOGIC LEVELS ...............................................................................................................88
POWER-FAULT COMPARATOR....................................................................................................88
BATTERY MONITOR ......................................................................................................................88
SUPPLY CURRENT ........................................................................................................................89
V3P3D SWITCH ..............................................................................................................................89
2.5V VOLTAGE REGULATOR ........................................................................................................89
LOW POWER VOLTAGE REGULATOR.........................................................................................89
CRYSTAL OSCILLATOR ................................................................................................................90
VREF, VBIAS ..................................................................................................................................90
LCD DRIVERS ................................................................................................................................90
ADC CONVERTER, V3P3A REFERENCED...................................................................................91
OPTICAL INTERFACE....................................................................................................................91
TEMPERATURE SENSOR .............................................................................................................91
TIMING SPECIFICATIONS ...........................................................................................................................92
FLASH MEMORY TIMING ..............................................................................................................92
EEPROM INTERFACE....................................................................................................................92
RESET and V1 ................................................................................................................................92
RTC .................................................................................................................................................92
TYPICAL PERFORMANCE DATA ..................................................................................................93
PACKAGE OUTLINE (LQFP 64) ...................................................................................................................94
PACKAGE OUTLINE (QFN 68) .....................................................................................................................95
PINOUT (LQFP-64) .......................................................................................................................................96
PINOUT (QFN 68) .........................................................................................................................................96
Recommended PCB Land Pattern for the QFN-68 Package .........................................................................97
PIN DESCRIPTIONS .....................................................................................................................................98
Power/Ground Pins:.........................................................................................................................98
Analog Pins: ....................................................................................................................................98
Digital Pins:......................................................................................................................................99
I/O Equivalent Circuits: .................................................................................................................. 100
ORDERING INFORMATION ....................................................................................................................... 101
Page: 4 of 101
© 2005-2008 TERIDIAN Semiconductor Corporation
v1.0
4페이지 www.DataSheet4U.com
71M6521DE/71M6521FE
Energy Meter IC
DATASHEET
JANUARY 2008
Table 46: Interrupt Enable and Flag Bits .....................................................................................................................33
Table 48: Priority Level Groups....................................................................................................................................34
Table 49: The IP0 Register ..........................................................................................................................................34
Table 50: The IP1 Register: .........................................................................................................................................34
Table 51: Priority Levels...............................................................................................................................................34
Table 52: Interrupt Polling Sequence ...........................................................................................................................35
Table 53: Interrupt Vectors...........................................................................................................................................35
Table 54: Data/Direction Registers and Internal Resources for DIO Pin Groups .........................................................40
Table 55: DIO_DIR Control Bit .....................................................................................................................................40
Table 56: Selectable Controls using the DIO_DIR Bits ................................................................................................41
Table 57: EECTRL Status Bits .....................................................................................................................................42
Table 58: EECTRL bits for 3-wire interface .................................................................................................................43
Table 59: TMUX[4:0] Selections...................................................................................................................................46
Table 60: Available Circuit Functions (“—“ means “not active).....................................................................................50
Table 61: Frequency over Temperature .......................................................................................................................61
Table 62: LCD and DIO Pin Assignment by LCD_NUM for the QFN-68 Package .......................................................64
Table 63: LCD and DIO Pin Assignment by LCD_NUM for the LQFP-64 Package......................................................65
v1.0
© 2005-2008 TERIDIAN Semiconductor Corporation
Page: 7 of 101
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부품번호 | 상세설명 및 기능 | 제조사 |
71M6521FE | Energy Meter IC | TERIDIAN Semiconductor |
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