Datasheet

71M6513/71M6513H
3-Phase Energy Meter IC
DATA SHEET
AUGUST 2011
Page: 2 of 104 © 2005-2011 Teridian Semiconductor Corporation
A Maxim Integrated Products Brand
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