Datasheet

71M6513/71M6513H
3-Phase Energy Meter IC
DATA SHEET
AUGUST 2011
Page: 4 of 104 © 2005-2011 Teridian Semiconductor Corporation
A Maxim Integrated Products Brand
Constants .................................................................................................................. 67
Environment .............................................................................................................. 67
CE Calculations ......................................................................................................... 68
CE RAM Locations .................................................................................................... 68
CE Front End Data (Raw Data) .................................................................................. 69
CE Status Word......................................................................................................... 69
CE Transfer Variables ............................................................................................... 70
TYPICAL PERFORMANCE DATA......................................................................................................... 77
Wh Accuracy at Room Temperature ........................................................................................ 77
VARh Accuracy at Room Temperature .................................................................................... 77
Harmonic Performance ............................................................................................................ 78
APPLICATION INFORMATION ............................................................................................................. 79
Connection of Sensors (CT, Resistive Shunt, Rogowski Coil) ................................................... 79
Distinction between 71M6513 and 71M6513H Parts ................................................................. 79
Temperature Compensation and Mains Frequency Stabilization for the RTC............................. 80
External Temperature Compensation ....................................................................................... 81
Temperature Measurement ..................................................................................................... 81
Crystal Oscillator ..................................................................................................................... 83
Connecting LCDs .................................................................................................................... 84
Connecting I2C EEPROMs ...................................................................................................... 85
Connecting 5V Devices ........................................................................................................... 85
Optical Interface ...................................................................................................................... 87
Connecting V1 and Reset Pins ................................................................................................ 87
Connecting the V3 Pin ............................................................................................................. 88
Connecting a Battery ............................................................................................................... 88
Flash Programming ................................................................................................................. 89
MPU Firmware Library............................................................................................................. 89
SPECIFICATIONS ................................................................................................................................ 90
Electrical Specifications ........................................................................................................... 90
LOGIC LEVELS......................................................................................................... 91
VREF, VBIAS ............................................................................................................ 93
CRYSTAL OSCILLATOR ........................................................................................... 93
LCD BOOST ............................................................................................................. 95
LCD DRIVERS .......................................................................................................... 95
RTC .......................................................................................................................... 95