71M6513/71M6513H
3-Phase Energy Meter IC
A Maxim Integrated Products Brand
DATA SHEET
AUGUST 2011
Table of Contents
FEATURES ............................................................................................................................1
HARDWARE DESCRIPTION................................................................................................................9
Hardware Overview.................................................................................................................9
Analog Front End (AFE) ..........................................................................................................9
Multiplexer.................................................................................................................9
ADC..........................................................................................................................10
FIR Filter...................................................................................................................10
Voltage Reference.....................................................................................................10
Temperature Sensor..................................................................................................11
V3.............................................................................................................................11
Functional Description ...............................................................................................11
Computation Engine (CE)........................................................................................................12
Meter Equations........................................................................................................12
Pulse Generator ........................................................................................................13
Real-Time Monitor.....................................................................................................13
CE Functional Overview ............................................................................................13
80515 MPU Core ....................................................................................................................16
80515 Overview ........................................................................................................16
Memory Organization ................................................................................................16
Special Function Registers (SFRs).............................................................................18
Special Function Registers (Generic 80515 SFRs) .....................................................19
Special Function Registers Specific to the 71M6513...................................................22
Instruction Set ...........................................................................................................23
UART........................................................................................................................23
Timers and Counters .................................................................................................26
WD Timer (Software Watchdog Timer).......................................................................28
Interrupts...................................................................................................................31
External Interrupts.....................................................................................................34
Interrupt Priority Level Structure.................................................................................35
Interrupt Sources and Vectors....................................................................................37
On-Chip Resources.................................................................................................................39
DIO Ports..................................................................................................................39
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