71M6511 Maxim, 71M6511 Datasheet - Page 3

• Manufacturer Part Number: 71M6511
• Description: The 71M6511 and 71M6511H are highly integrated SoCs with an MPU core, RTC, flash, and LCD driver
• Manufacturer: Maxim

FUNCTIONAL DESCRIPTION ............................................................................................................................... 47
FIRMWARE INTERFACE ...................................................................................................................................... 57
TYPICAL PERFORMANCE DATA.......................................................................................................................... 75
APPLICATION INFORMATION .............................................................................................................................. 77
SPECIFICATIONS ................................................................................................................................................. 85
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A Maxim Integrated Products Brand
Theory of Operation ................................................................................................................................. 47
System Timing Summary.......................................................................................................................... 47
Data Flow ................................................................................................................................................ 50
CE/MPU Communication .......................................................................................................................... 50
Fault, Reset, Power-Up ............................................................................................................................ 51
Battery Operation ..................................................................................................................................... 52
Power Save Modes .................................................................................................................................. 52
Temperature Compensation ..................................................................................................................... 53
Chopping Circuitry .................................................................................................................................... 53
Internal/External Pulse Generation and Pulse Counting ............................................................................. 55
Program Security ..................................................................................................................................... 56
I/O RAM MAP – In Numerical Order .......................................................................................................... 57
SFR MAP (SFRs Specific to TERIDIAN 80515) – In Numerical Order ........................................................ 58
I/O RAM (Configuration RAM) – Alphabetical Order................................................................................... 59
CE Program and Environment .................................................................................................................. 65
CE RAM Locations ................................................................................................................................... 67
Wh Accuracy at Room Temperature ......................................................................................................... 75
VARh Accuracy at Room Temperature ..................................................................................................... 75
Harmonic Performance ............................................................................................................................. 76
Meter Accuracy over Temperature (71M6511H) ........................................................................................ 76
Connection of Sensors (CT, Resistive Shunt, Rogowski Coil) .................................................................... 77
Distinction between 71M6511 and 71M6511H Parts .................................................................................. 77
Temperature Compensation and Mains Frequency Stabilization for the RTC.............................................. 78
External Temperature Compensation ........................................................................................................ 79
Temperature Measurement ...................................................................................................................... 79
Connecting LCDs ..................................................................................................................................... 80
Connecting I2C EEPROMs ....................................................................................................................... 82
Connecting 5V Devices ............................................................................................................................ 82
Optical Interface ....................................................................................................................................... 83
Connecting V1 and Reset Pins ................................................................................................................. 83
Flash Programming .................................................................................................................................. 84
MPU Firmware Library.............................................................................................................................. 84
Electrical Specifications ............................................................................................................................ 85
CE Program ............................................................................................................................... 65
Formats...................................................................................................................................... 65
Constants ................................................................................................................................... 65
Environment ............................................................................................................................... 66
CE Calculations .......................................................................................................................... 66
CE Front End Data (Raw Data) ................................................................................................... 67
CE Status Word.......................................................................................................................... 67
CE Transfer Variables ................................................................................................................ 68
LOGIC LEVELS.......................................................................................................................... 86
VREF, VBIAS ............................................................................................................................. 88
CRYSTAL OSCILLATOR ............................................................................................................ 88
LCD BOOST .............................................................................................................................. 90
LCD DRIVERS ........................................................................................................................... 90
RTC ........................................................................................................................................... 90
© 2005–2010 Teridian Semiconductor Corporation
Single-Phase Energy Meter IC
71M6511/71M6511H
DATA SHEET
NOVEMBER 2010
V2.7