71M6533/H and 71M6534/H
Energy Meter IC
Simplifying System Integration
TM
DATA SHEET
November 2009
GENERAL DESCRIPTION
The 71M6533 and 71M6534 are Teridian’s 3
rd
-generation poly-
phase metering SOCs with a 10MHz 8051-compatible MPU
core, low-power RTC, FLASH and LCD driver. Teridian’s pa-
tented Single Converter Technology® with a 22-bit delta-sigma
ADC, seven analog inputs, digital 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 71M6533 and 71M6534 add several new features to Teri-
dian’s flagship 71M6513 poly-phase meters including an SPI in-
terface, advanced power management with <1 µA sleep cur-
rent, 4 KB shared RAM and 128 KB (71M6533/H, 71M6534) or
256 KB (71M6534H) Flash which may be programmed in the
field with new code and/or data during meter operation. Higher
processing and sampling rates and larger memory offer a po-
werful metering platform for commercial and industrial meters
with up to class 0.2 accuracy.
A complete array of ICE and development tools, programming
libraries and reference designs enable rapid development and
certification of meters that meet all ANSI & IEC electricity meter-
ing standards worldwide.
FEATURES
•
Accuracy < 0.1% over 2000:1 range
•
Exceeds IEC62053 / ANSI C12.20 standards
•
Seven sensor inputs with neutral current
measurement
•
Low-jitter Wh and VARh plus two additional
pulse test outputs (4 total, 10 kHz maximum)
with pulse count
•
Four-quadrant metering
•
Phase sequencing
•
Line frequency count for RTC
•
Digital temperature compensation
•
Independent 32-bit compute engine
•
46-64 Hz line frequency range with same
calibration. Phase compensation (± 7°)
•
Three battery back-up modes with wake-up
on timer or push-button:
Brownout mode (82 µA typ., 71M6533)
LCD mode (21 µA typ., DAC active)
Sleep mode (0.7 µA typ.)
•
Energy display during mains power failure
•
39 mW typical consumption @ 3.3 V, MPU
clock frequency 614 kHz
•
8-bit MPU (80515), 1 clock cycle per in-
struction, 10 MHz maximum, with integrated
ICE for debug
•
LCD driver with 4 common segment drivers:
Up to 228 (71M6533) or 300 (71M6534)
pixels
•
4 dedicated plus 35 (71M6533) or
48 (71M6534) multi-function DIO pins
•
RTC for TOU functions with clock-rate adjust
register
•
Hardware watchdog timer, power fail monitor
2
•
I C/Microwire EEPROM Interface
•
High-speed slave SPI interface to data RAM
•
Two UARTs for IR and AMR, IR driver with
modulation
•
Flash memory with security and in-system
program update:
128 KB (71M6533/H, 71M6534)
256 KB (71M6534H)
•
4 KB RAM
•
Industrial temperature range
•
100-pin (71M6533/H) or 120-pin
(71M6534/H) lead free LQFP package
LIVE
NEUT
LIVE
LIVE
CT / COIL
LOAD
POWER SUPPLY
NEUTRAL
CONVERTER
IA
VA
IB
VB
IC
VC
ID
VREF
SERIAL PORTS
V3P3A V3P3SYS GNDA GNDD
PWR MODE
CONTROL
TERIDIAN
71M6533
71M6534
TEMP
SENSOR
WAKE-up
REGULATOR
VBAT
V2P5
LCD DRIVER
DIO ,
PULSE
BATTERY
RAM
COMPUTE
ENGINE
FLASH
COM0..3
SEG
SEG/ DIO
8888.8888
AMR
TX
RX
IR
MOD
RX
TX
DIO
PULSES
,
DIO
I
2
C or µWire
EEPROM
COMPARATOR
MPU
RTC
TIMERS
ICE
OSC/ PLL
XIN
POWER
FAULT
V1
V2*
* 71M6534 only
32 kHz
XOUT
9/24/2008
v1.1
© 2007-2009 TERIDIAN Semiconductor Corporation
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