71M6521FE-IMR/F Maxim Integrated Products, 71M6521FE-IMR/F Datasheet - Page 3

• Manufacturer Part Number: 71M6521FE-IMR/F
• Description: IC ENERGY METER 32K FLASH 68-QFN
• Manufacturer: Maxim Integrated Products

Specifications of 71M6521FE-IMR/F

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

71M6521DE/DH/FE Data Sheet
FUNCTIONAL DESCRIPTION ................................................................................................................... 48
APPLICATION INFORMATION ................................................................................................................. 60
FIRMWARE INTERFACE .......................................................................................................................... 73
Rev 2
Theory of Operation ..................................................................................................................... 48
System Timing Summary ............................................................................................................. 49
Battery Modes .............................................................................................................................. 50
MISSION ...................................................................................................................................... 51
Fault and Reset Behavior ............................................................................................................ 57
Wake Up Behavior ....................................................................................................................... 57
Data Flow ..................................................................................................................................... 59
CE/MPU Communication ............................................................................................................. 59
Connection of Sensors (CT, Resistive Shunt) .............................................................................. 60
Distinction between 71M6521DE/71M6521FE and 71M6521DH Parts ....................................... 60
Temperature Measurement ......................................................................................................... 61
Temperature Compensation ........................................................................................................ 61
Temperature Compensation and Mains Frequency Stabilization for the RTC ............................. 64
Connecting 5 V Devices ............................................................................................................... 65
Connecting LCDs ......................................................................................................................... 66
Connecting I
Connecting Three-Wire EEPROMs ............................................................................................. 69
UART0 (TX/RX) ........................................................................................................................... 69
Optical Interface ........................................................................................................................... 70
Connecting V1 and Reset Pins .................................................................................................... 70
Connecting the Emulator Port Pins .............................................................................................. 71
Crystal Oscillator .......................................................................................................................... 71
Flash Programming ..................................................................................................................... 72
MPU Firmware Library ................................................................................................................. 72
Meter Calibration ......................................................................................................................... 72
I/O RAM MAP – In Numerical Order ............................................................................................ 73
SFR MAP (SFRs Specific to the Teridian 80515) – In Numerical Order ...................................... 74
I/O RAM DESCRIPTION – Alphabetical Order ............................................................................ 75
CE Interface Description .............................................................................................................. 82
Hardware Watchdog Timer ............................................................................................ 46
Program Security ........................................................................................................... 46
Test Ports ...................................................................................................................... 47
BROWNOUT Mode ....................................................................................................... 51
LCD Mode ..................................................................................................................... 52
SLEEP Mode ................................................................................................................. 52
Wake on PB................................................................................................................... 58
Wake on Timer .............................................................................................................. 58
CE Program ................................................................................................................... 82
2
C EEPROMs .......................................................................................................... 68
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